{"id":16412,"date":"2021-06-08T13:05:46","date_gmt":"2021-06-08T11:05:46","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/rancher-installation-on-rhel-8-compatible-linux\/"},"modified":"2024-11-08T15:43:20","modified_gmt":"2024-11-08T14:43:20","slug":"rancher-installation-on-rhel-8-compatible-linux","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/rancher-installation-on-rhel-8-compatible-linux\/","title":{"rendered":"Rancher installation on RHEL 8 compatible Linux"},"content":{"rendered":"<p>This Blog is about the installation of Rancher Community on a RHEL 8 compatible Linux, for this Blog i choose AlmaLinux 8.4, but i will also work on Rocky Linux 8.4 Release Candidate.<br \/>\nBase is an AlmaLinux \/ Rocky Linux minimal installation on a VMWare Host for all nodes, using the same configuration with 4vCPU and 4GB RAM.<\/p>\n<p>A small comaprsion of RHEL 8 and the alternatives can be found in my other blog her:<\/p>\n<p><a href=\"https:\/\/www.dbi-services.com\/blog\/centos-8-binary-compatible-alternatives\/\">CentOS 8 binary compatible alternatives<\/a><\/p>\n<p>Rancher is doing everything out of running conatainers, so the control node itself is a running container using Docker as base.<br \/>\nSo we need to install Docker on our minimal Linux system.<\/p>\n<p>Add Docker Repository<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n$ [[root@control ~]$ dnf config-manager --add-repo=https:\/\/download.docker.com\/linux\/centos\/docker-ce.repo\n$ [[root@control ~]$\n<\/pre>\n<p>Install Docker<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n$ [[root@control ~]$ dnf install --nobest docker-ce -y\nDocker CE Stable - x86_64                                                                                                                                                                                                                          46 kB\/s |  14 kB     00:00\nDependencies resolved.\n==========================================================================================================================================================================================================================================================================================\n Package                                                                   Architecture                                        Version                                                                                Repository                                                     Size\n==========================================================================================================================================================================================================================================================================================\nInstalling:\n docker-ce                                                                 x86_64                                              3:20.10.7-3.el8                                                                        docker-ce-stable                                               27 M\nInstalling dependencies:\n checkpolicy                                                               x86_64                                              2.9-1.el8                                                                              baseos                                                        347 k\n container-selinux                                                         noarch                                              2:2.158.0-1.module_el8.4.0+2332+f4da7515                                               appstream                                                      50 k\n containerd.io                                                             x86_64                                              1.4.6-3.1.el8                                                                          docker-ce-stable                                               34 M\n docker-ce-cli                                                             x86_64                                              1:20.10.7-3.el8                                                                        docker-ce-stable                                               33 M\n docker-ce-rootless-extras                                                 x86_64                                              20.10.7-3.el8                                                                          docker-ce-stable                                              9.2 M\n docker-scan-plugin                                                        x86_64                                              0.8.0-3.el8                                                                            docker-ce-stable                                              4.2 M\n fuse-overlayfs                                                            x86_64                                              1.4.0-2.module_el8.4.0+2332+f4da7515                                                   appstream                                                      71 k\n fuse3                                                                     x86_64                                              3.2.1-12.el8                                                                           baseos                                                         50 k\n fuse3-libs                                                                x86_64                                              3.2.1-12.el8                                                                           baseos                                                         94 k\n libcgroup                                                                 x86_64                                              0.41-19.el8                                                                            baseos                                                         69 k\n libslirp                                                                  x86_64                                              4.3.1-1.module_el8.4.0+2332+f4da7515                                                   appstream                                                      68 k\n policycoreutils-python-utils                                              noarch                                              2.9-14.el8                                                                             baseos                                                        251 k\n python3-audit                                                             x86_64                                              3.0-0.17.20191104git1c2f876.el8                                                        baseos                                                         86 k\n python3-libsemanage                                                       x86_64                                              2.9-6.el8                                                                              baseos                                                        126 k\n python3-policycoreutils                                                   noarch                                              2.9-14.el8                                                                             baseos                                                        2.2 M\n python3-setools                                                           x86_64                                              4.3.0-2.el8                                                                            baseos                                                        625 k\n slirp4netns                                                               x86_64                                              1.1.8-1.module_el8.4.0+2332+f4da7515                                                   appstream                                                      50 k\nEnabling module streams:\n container-tools                                                                                                               rhel8\n\nTransaction Summary\n==========================================================================================================================================================================================================================================================================================\nInstall  18 Packages\n\nTotal download size: 111 M\nInstalled size: 449 M\nDownloading Packages:\n(1\/18): fuse3-libs-3.2.1-12.el8.x86_64.rpm                                                                                                                                                                                                                416 kB\/s |  94 kB     00:00\n(2\/18): fuse3-3.2.1-12.el8.x86_64.rpm                                                                                                                                                                                                                     217 kB\/s |  50 kB     00:00\n(3\/18): libcgroup-0.41-19.el8.x86_64.rpm                                                                                                                                                                                                                  2.4 MB\/s |  69 kB     00:00\n(4\/18): checkpolicy-2.9-1.el8.x86_64.rpm                                                                                                                                                                                                                  1.2 MB\/s | 347 kB     00:00\n(5\/18): python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_64.rpm                                                                                                                                                                                          3.7 MB\/s |  86 kB     00:00\n(6\/18): policycoreutils-python-utils-2.9-14.el8.noarch.rpm                                                                                                                                                                                                3.8 MB\/s | 251 kB     00:00\n(7\/18): python3-libsemanage-2.9-6.el8.x86_64.rpm                                                                                                                                                                                                          4.5 MB\/s | 126 kB     00:00\n(8\/18): container-selinux-2.158.0-1.module_el8.4.0+2332+f4da7515.noarch.rpm                                                                                                                                                                               2.0 MB\/s |  50 kB     00:00\n(9\/18): fuse-overlayfs-1.4.0-2.module_el8.4.0+2332+f4da7515.x86_64.rpm                                                                                                                                                                                    3.1 MB\/s |  71 kB     00:00\n(10\/18): libslirp-4.3.1-1.module_el8.4.0+2332+f4da7515.x86_64.rpm                                                                                                                                                                                         3.2 MB\/s |  68 kB     00:00\n(11\/18): python3-setools-4.3.0-2.el8.x86_64.rpm                                                                                                                                                                                                           6.3 MB\/s | 625 kB     00:00\n(12\/18): slirp4netns-1.1.8-1.module_el8.4.0+2332+f4da7515.x86_64.rpm                                                                                                                                                                                      1.9 MB\/s |  50 kB     00:00\n(13\/18): python3-policycoreutils-2.9-14.el8.noarch.rpm                                                                                                                                                                                                    8.6 MB\/s | 2.2 MB     00:00\n(14\/18): docker-ce-20.10.7-3.el8.x86_64.rpm                                                                                                                                                                                                                17 MB\/s |  27 MB     00:01\n(15\/18): containerd.io-1.4.6-3.1.el8.x86_64.rpm                                                                                                                                                                                                            17 MB\/s |  34 MB     00:01\n(16\/18): docker-ce-cli-20.10.7-3.el8.x86_64.rpm                                                                                                                                                                                                            16 MB\/s |  33 MB     00:02\n(17\/18): docker-ce-rootless-extras-20.10.7-3.el8.x86_64.rpm                                                                                                                                                                                                13 MB\/s | 9.2 MB     00:00\n(18\/18): docker-scan-plugin-0.8.0-3.el8.x86_64.rpm                                                                                                                                                                                                         15 MB\/s | 4.2 MB     00:00\n------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\nTotal                                                                                                                                                                                                                                                      36 MB\/s | 111 MB     00:03\nwarning: \/var\/cache\/dnf\/docker-ce-stable-fa9dc42ab4cec2f4\/packages\/containerd.io-1.4.6-3.1.el8.x86_64.rpm: Header V4 RSA\/SHA512 Signature, key ID 621e9f35: NOKEY\nDocker CE Stable - x86_64                                                                                                                                                                                                                                  24 kB\/s | 1.6 kB     00:00\nImporting GPG key 0x621E9F35:\n Userid     : \"Docker Release (CE rpm) \"\n Fingerprint: 060A 61C5 1B55 8A7F 742B 77AA C52F EB6B 621E 9F35\n From       : https:\/\/download.docker.com\/linux\/centos\/gpg\nKey imported successfully\nRunning transaction check\nTransaction check succeeded.\nRunning transaction test\nTransaction test succeeded.\nRunning transaction\n  Preparing        :                                                                                                                                                                                                                                                                  1\/1\n  Installing       : docker-scan-plugin-0.8.0-3.el8.x86_64                                                                                                                                                                                                                           1\/18\n  Running scriptlet: docker-scan-plugin-0.8.0-3.el8.x86_64                                                                                                                                                                                                                           1\/18\n  Installing       : docker-ce-cli-1:20.10.7-3.el8.x86_64                                                                                                                                                                                                                            2\/18\n  Running scriptlet: docker-ce-cli-1:20.10.7-3.el8.x86_64                                                                                                                                                                                                                            2\/18\n  Installing       : libslirp-4.3.1-1.module_el8.4.0+2332+f4da7515.x86_64                                                                                                                                                                                                            3\/18\n  Installing       : slirp4netns-1.1.8-1.module_el8.4.0+2332+f4da7515.x86_64                                                                                                                                                                                                         4\/18\n  Installing       : python3-setools-4.3.0-2.el8.x86_64                                                                                                                                                                                                                              5\/18\n  Installing       : python3-libsemanage-2.9-6.el8.x86_64                                                                                                                                                                                                                            6\/18\n  Installing       : python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_64                                                                                                                                                                                                            7\/18\n  Running scriptlet: libcgroup-0.41-19.el8.x86_64                                                                                                                                                                                                                                    8\/18\n  Installing       : libcgroup-0.41-19.el8.x86_64                                                                                                                                                                                                                                    8\/18\n  Running scriptlet: libcgroup-0.41-19.el8.x86_64                                                                                                                                                                                                                                    8\/18\n  Installing       : fuse3-libs-3.2.1-12.el8.x86_64                                                                                                                                                                                                                                  9\/18\n  Running scriptlet: fuse3-libs-3.2.1-12.el8.x86_64                                                                                                                                                                                                                                  9\/18\n  Installing       : fuse3-3.2.1-12.el8.x86_64                                                                                                                                                                                                                                      10\/18\n  Installing       : fuse-overlayfs-1.4.0-2.module_el8.4.0+2332+f4da7515.x86_64                                                                                                                                                                                                     11\/18\n  Running scriptlet: fuse-overlayfs-1.4.0-2.module_el8.4.0+2332+f4da7515.x86_64                                                                                                                                                                                                     11\/18\n  Installing       : checkpolicy-2.9-1.el8.x86_64                                                                                                                                                                                                                                   12\/18\n  Installing       : python3-policycoreutils-2.9-14.el8.noarch                                                                                                                                                                                                                      13\/18\n  Installing       : policycoreutils-python-utils-2.9-14.el8.noarch                                                                                                                                                                                                                 14\/18\n  Running scriptlet: container-selinux-2:2.158.0-1.module_el8.4.0+2332+f4da7515.noarch                                                                                                                                                                                              15\/18\n  Installing       : container-selinux-2:2.158.0-1.module_el8.4.0+2332+f4da7515.noarch                                                                                                                                                                                              15\/18\n  Running scriptlet: container-selinux-2:2.158.0-1.module_el8.4.0+2332+f4da7515.noarch                                                                                                                                                                                              15\/18\n  Installing       : containerd.io-1.4.6-3.1.el8.x86_64                                                                                                                                                                                                                             16\/18\n  Running scriptlet: containerd.io-1.4.6-3.1.el8.x86_64                                                                                                                                                                                                                             16\/18\n  Installing       : docker-ce-rootless-extras-20.10.7-3.el8.x86_64                                                                                                                                                                                                                 17\/18\n  Running scriptlet: docker-ce-rootless-extras-20.10.7-3.el8.x86_64                                                                                                                                                                                                                 17\/18\n  Installing       : docker-ce-3:20.10.7-3.el8.x86_64                                                                                                                                                                                                                               18\/18\n  Running scriptlet: docker-ce-3:20.10.7-3.el8.x86_64                                                                                                                                                                                                                               18\/18\n  Running scriptlet: container-selinux-2:2.158.0-1.module_el8.4.0+2332+f4da7515.noarch                                                                                                                                                                                              18\/18\n  Running scriptlet: docker-ce-3:20.10.7-3.el8.x86_64                                                                                                                                                                                                                               18\/18\n  Verifying        : checkpolicy-2.9-1.el8.x86_64                                                                                                                                                                                                                                    1\/18\n  Verifying        : fuse3-3.2.1-12.el8.x86_64                                                                                                                                                                                                                                       2\/18\n  Verifying        : fuse3-libs-3.2.1-12.el8.x86_64                                                                                                                                                                                                                                  3\/18\n  Verifying        : libcgroup-0.41-19.el8.x86_64                                                                                                                                                                                                                                    4\/18\n  Verifying        : policycoreutils-python-utils-2.9-14.el8.noarch                                                                                                                                                                                                                  5\/18\n  Verifying        : python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_64                                                                                                                                                                                                            6\/18\n  Verifying        : python3-libsemanage-2.9-6.el8.x86_64                                                                                                                                                                                                                            7\/18\n  Verifying        : python3-policycoreutils-2.9-14.el8.noarch                                                                                                                                                                                                                       8\/18\n  Verifying        : python3-setools-4.3.0-2.el8.x86_64                                                                                                                                                                                                                              9\/18\n  Verifying        : container-selinux-2:2.158.0-1.module_el8.4.0+2332+f4da7515.noarch                                                                                                                                                                                              10\/18\n  Verifying        : fuse-overlayfs-1.4.0-2.module_el8.4.0+2332+f4da7515.x86_64                                                                                                                                                                                                     11\/18\n  Verifying        : libslirp-4.3.1-1.module_el8.4.0+2332+f4da7515.x86_64                                                                                                                                                                                                           12\/18\n  Verifying        : slirp4netns-1.1.8-1.module_el8.4.0+2332+f4da7515.x86_64                                                                                                                                                                                                        13\/18\n  Verifying        : containerd.io-1.4.6-3.1.el8.x86_64                                                                                                                                                                                                                             14\/18\n  Verifying        : docker-ce-3:20.10.7-3.el8.x86_64                                                                                                                                                                                                                               15\/18\n  Verifying        : docker-ce-cli-1:20.10.7-3.el8.x86_64                                                                                                                                                                                                                           16\/18\n  Verifying        : docker-ce-rootless-extras-20.10.7-3.el8.x86_64                                                                                                                                                                                                                 17\/18\n  Verifying        : docker-scan-plugin-0.8.0-3.el8.x86_64                                                                                                                                                                                                                          18\/18\n\nInstalled:\n  checkpolicy-2.9-1.el8.x86_64                      container-selinux-2:2.158.0-1.module_el8.4.0+2332+f4da7515.noarch    containerd.io-1.4.6-3.1.el8.x86_64                            docker-ce-3:20.10.7-3.el8.x86_64                        docker-ce-cli-1:20.10.7-3.el8.x86_64\n  docker-ce-rootless-extras-20.10.7-3.el8.x86_64    docker-scan-plugin-0.8.0-3.el8.x86_64                                fuse-overlayfs-1.4.0-2.module_el8.4.0+2332+f4da7515.x86_64    fuse3-3.2.1-12.el8.x86_64                               fuse3-libs-3.2.1-12.el8.x86_64\n  libcgroup-0.41-19.el8.x86_64                      libslirp-4.3.1-1.module_el8.4.0+2332+f4da7515.x86_64                 policycoreutils-python-utils-2.9-14.el8.noarch                python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_64    python3-libsemanage-2.9-6.el8.x86_64\n  python3-policycoreutils-2.9-14.el8.noarch         python3-setools-4.3.0-2.el8.x86_64                                   slirp4netns-1.1.8-1.module_el8.4.0+2332+f4da7515.x86_64\n\nComplete!\n$ [[root@control ~]$\n<\/pre>\n<p>Start and enable Docker<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n$ [[root@control ~]$ systemctl daemon-reload\n$ [[root@control ~]$ systemctl start docker\n$ [[root@control ~]$ systemctl enable docker\n$ [[root@control ~]$ Created symlink \/etc\/systemd\/system\/multi-user.target.wants\/docker.service \u2192 \/usr\/lib\/systemd\/system\/docker.service.\n$ [[root@control ~]$\n<\/pre>\n<p>Now Docker is installed, up and running and configured to start automatically on boot.<\/p>\n<p>Installing the Rachner Control Container using port 8080 for the webfrontend<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n$ [[root@control ~]$ docker run -d --restart=unless-stopped -p 8080:8080 rancher\/server:stable\n$ [[root@control ~]$ Unable to find image 'rancher\/server:stable' locally\n$ [[root@control ~]$ stable: Pulling from rancher\/server\n$ [[root@control ~]$ bae382666908: Pull complete\n$ [[root@control ~]$ 29ede3c02ff2: Pull complete\n$ [[root@control ~]$ da4e69f33106: Pull complete\n$ [[root@control ~]$ 8d43e5f5d27f: Pull complete\n$ [[root@control ~]$ b0de1abb17d6: Pull complete\n$ [[root@control ~]$ 422f47db4517: Pull complete\n$ [[root@control ~]$ 79d37de643ce: Pull complete\n$ [[root@control ~]$ 69d13e08a4fe: Pull complete\n$ [[root@control ~]$ 2ddfd3c6a2b7: Pull complete\n$ [[root@control ~]$ bc433fed3823: Pull complete\n$ [[root@control ~]$ b82e188df556: Pull complete\n$ [[root@control ~]$ dae2802428a4: Pull complete\n$ [[root@control ~]$ 07bf18e8eec0: Pull complete\n$ [[root@control ~]$ 339e24088f91: Pull complete\n$ [[root@control ~]$ 9372455de0b8: Pull complete\n$ [[root@control ~]$ 5a33b348bf45: Pull complete\n$ [[root@control ~]$ 3286997d8874: Pull complete\n$ [[root@control ~]$ bd79bfb954de: Pull complete\n$ [[root@control ~]$ ba7c19991a31: Pull complete\n$ [[root@control ~]$ 0c19aca4f8a1: Pull complete\n$ [[root@control ~]$ e03fc76c8997: Pull complete\n$ [[root@control ~]$ Digest: sha256:95b55603122c28baea4e8d94663aa34ad770bbc624a9ed6ef986fb3ea5224d91\n$ [[root@control ~]$ Status: Downloaded newer image for rancher\/server:stable\n$ [[root@control ~]$ b3db9a254b284f8f3f048bea8d68a0efd3786dd77d35d4fd0245199b179339fa\n$ [[root@control ~]$\n<\/pre>\n<p>Check status<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n$ [[root@control ~]$ docker ps -a\n$ [[root@control ~]$ CONTAINER ID   IMAGE                   COMMAND                  CREATED          STATUS          PORTS                                                 NAMES\n$ [[root@control ~]$ b3db9a254b28   rancher\/server:stable   \"\/usr\/bin\/entry \/usr\u2026\"   16 seconds ago   Up 14 seconds   3306\/tcp, 0.0.0.0:8080-&gt;8080\/tcp, :::8080-&gt;8080\/tcp   flamboyant_lehmann\n$ [[root@control ~]$\n<\/pre>\n<p>Now the Rancher control container is up and running.<br \/>\n<a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/01_Rancher_Welcome-2.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/01_Rancher_Welcome-2.png\" alt=\"\" width=\"1536\" height=\"774\" class=\"aligncenter size-full wp-image-50302\" \/><\/a><\/p>\n<p>No installing the worker nodes, this is also an eaysy step, the Docker installation is the same like we did for the control node.<br \/>\nAdd Docker Repository<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n$ [[root@node-1~]$ dnf config-manager --add-repo=https:\/\/download.docker.com\/linux\/centos\/docker-ce.repo\n$ [[root@node-1~]$\n<\/pre>\n<p>Install Docker<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n$ [[root@node-1 ~]$ dnf install --nobest docker-ce -y\nDocker CE Stable - x86_64                                                                                                                                                                                                                          46 kB\/s |  14 kB     00:00\nDependencies resolved.\n==========================================================================================================================================================================================================================================================================================\n Package                                                                   Architecture                                        Version                                                                                Repository                                                     Size\n==========================================================================================================================================================================================================================================================================================\nInstalling:\n docker-ce                                                                 x86_64                                              3:20.10.7-3.el8                                                                        docker-ce-stable                                               27 M\nInstalling dependencies:\n checkpolicy                                                               x86_64                                              2.9-1.el8                                                                              baseos                                                        347 k\n container-selinux                                                         noarch                                              2:2.158.0-1.module_el8.4.0+2332+f4da7515                                               appstream                                                      50 k\n containerd.io                                                             x86_64                                              1.4.6-3.1.el8                                                                          docker-ce-stable                                               34 M\n docker-ce-cli                                                             x86_64                                              1:20.10.7-3.el8                                                                        docker-ce-stable                                               33 M\n docker-ce-rootless-extras                                                 x86_64                                              20.10.7-3.el8                                                                          docker-ce-stable                                              9.2 M\n docker-scan-plugin                                                        x86_64                                              0.8.0-3.el8                                                                            docker-ce-stable                                              4.2 M\n fuse-overlayfs                                                            x86_64                                              1.4.0-2.module_el8.4.0+2332+f4da7515                                                   appstream                                                      71 k\n fuse3                                                                     x86_64                                              3.2.1-12.el8                                                                           baseos                                                         50 k\n fuse3-libs                                                                x86_64                                              3.2.1-12.el8                                                                           baseos                                                         94 k\n libcgroup                                                                 x86_64                                              0.41-19.el8                                                                            baseos                                                         69 k\n libslirp                                                                  x86_64                                              4.3.1-1.module_el8.4.0+2332+f4da7515                                                   appstream                                                      68 k\n policycoreutils-python-utils                                              noarch                                              2.9-14.el8                                                                             baseos                                                        251 k\n python3-audit                                                             x86_64                                              3.0-0.17.20191104git1c2f876.el8                                                        baseos                                                         86 k\n python3-libsemanage                                                       x86_64                                              2.9-6.el8                                                                              baseos                                                        126 k\n python3-policycoreutils                                                   noarch                                              2.9-14.el8                                                                             baseos                                                        2.2 M\n python3-setools                                                           x86_64                                              4.3.0-2.el8                                                                            baseos                                                        625 k\n slirp4netns                                                               x86_64                                              1.1.8-1.module_el8.4.0+2332+f4da7515                                                   appstream                                                      50 k\nEnabling module streams:\n container-tools                                                                                                               rhel8\n\nTransaction Summary\n==========================================================================================================================================================================================================================================================================================\nInstall  18 Packages\n\nTotal download size: 111 M\nInstalled size: 449 M\nDownloading Packages:\n(1\/18): fuse3-libs-3.2.1-12.el8.x86_64.rpm                                                                                                                                                                                                                416 kB\/s |  94 kB     00:00\n(2\/18): fuse3-3.2.1-12.el8.x86_64.rpm                                                                                                                                                                                                                     217 kB\/s |  50 kB     00:00\n(3\/18): libcgroup-0.41-19.el8.x86_64.rpm                                                                                                                                                                                                                  2.4 MB\/s |  69 kB     00:00\n(4\/18): checkpolicy-2.9-1.el8.x86_64.rpm                                                                                                                                                                                                                  1.2 MB\/s | 347 kB     00:00\n(5\/18): python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_64.rpm                                                                                                                                                                                          3.7 MB\/s |  86 kB     00:00\n(6\/18): policycoreutils-python-utils-2.9-14.el8.noarch.rpm                                                                                                                                                                                                3.8 MB\/s | 251 kB     00:00\n(7\/18): python3-libsemanage-2.9-6.el8.x86_64.rpm                                                                                                                                                                                                          4.5 MB\/s | 126 kB     00:00\n(8\/18): container-selinux-2.158.0-1.module_el8.4.0+2332+f4da7515.noarch.rpm                                                                                                                                                                               2.0 MB\/s |  50 kB     00:00\n(9\/18): fuse-overlayfs-1.4.0-2.module_el8.4.0+2332+f4da7515.x86_64.rpm                                                                                                                                                                                    3.1 MB\/s |  71 kB     00:00\n(10\/18): libslirp-4.3.1-1.module_el8.4.0+2332+f4da7515.x86_64.rpm                                                                                                                                                                                         3.2 MB\/s |  68 kB     00:00\n(11\/18): python3-setools-4.3.0-2.el8.x86_64.rpm                                                                                                                                                                                                           6.3 MB\/s | 625 kB     00:00\n(12\/18): slirp4netns-1.1.8-1.module_el8.4.0+2332+f4da7515.x86_64.rpm                                                                                                                                                                                      1.9 MB\/s |  50 kB     00:00\n(13\/18): python3-policycoreutils-2.9-14.el8.noarch.rpm                                                                                                                                                                                                    8.6 MB\/s | 2.2 MB     00:00\n(14\/18): docker-ce-20.10.7-3.el8.x86_64.rpm                                                                                                                                                                                                                17 MB\/s |  27 MB     00:01\n(15\/18): containerd.io-1.4.6-3.1.el8.x86_64.rpm                                                                                                                                                                                                            17 MB\/s |  34 MB     00:01\n(16\/18): docker-ce-cli-20.10.7-3.el8.x86_64.rpm                                                                                                                                                                                                            16 MB\/s |  33 MB     00:02\n(17\/18): docker-ce-rootless-extras-20.10.7-3.el8.x86_64.rpm                                                                                                                                                                                                13 MB\/s | 9.2 MB     00:00\n(18\/18): docker-scan-plugin-0.8.0-3.el8.x86_64.rpm                                                                                                                                                                                                         15 MB\/s | 4.2 MB     00:00\n------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\nTotal                                                                                                                                                                                                                                                      36 MB\/s | 111 MB     00:03\nwarning: \/var\/cache\/dnf\/docker-ce-stable-fa9dc42ab4cec2f4\/packages\/containerd.io-1.4.6-3.1.el8.x86_64.rpm: Header V4 RSA\/SHA512 Signature, key ID 621e9f35: NOKEY\nDocker CE Stable - x86_64                                                                                                                                                                                                                                  24 kB\/s | 1.6 kB     00:00\nImporting GPG key 0x621E9F35:\n Userid     : \"Docker Release (CE rpm) \"\n Fingerprint: 060A 61C5 1B55 8A7F 742B 77AA C52F EB6B 621E 9F35\n From       : https:\/\/download.docker.com\/linux\/centos\/gpg\nKey imported successfully\nRunning transaction check\nTransaction check succeeded.\nRunning transaction test\nTransaction test succeeded.\nRunning transaction\n  Preparing        :                                                                                                                                                                                                                                                                  1\/1\n  Installing       : docker-scan-plugin-0.8.0-3.el8.x86_64                                                                                                                                                                                                                           1\/18\n  Running scriptlet: docker-scan-plugin-0.8.0-3.el8.x86_64                                                                                                                                                                                                                           1\/18\n  Installing       : docker-ce-cli-1:20.10.7-3.el8.x86_64                                                                                                                                                                                                                            2\/18\n  Running scriptlet: docker-ce-cli-1:20.10.7-3.el8.x86_64                                                                                                                                                                                                                            2\/18\n  Installing       : libslirp-4.3.1-1.module_el8.4.0+2332+f4da7515.x86_64                                                                                                                                                                                                            3\/18\n  Installing       : slirp4netns-1.1.8-1.module_el8.4.0+2332+f4da7515.x86_64                                                                                                                                                                                                         4\/18\n  Installing       : python3-setools-4.3.0-2.el8.x86_64                                                                                                                                                                                                                              5\/18\n  Installing       : python3-libsemanage-2.9-6.el8.x86_64                                                                                                                                                                                                                            6\/18\n  Installing       : python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_64                                                                                                                                                                                                            7\/18\n  Running scriptlet: libcgroup-0.41-19.el8.x86_64                                                                                                                                                                                                                                    8\/18\n  Installing       : libcgroup-0.41-19.el8.x86_64                                                                                                                                                                                                                                    8\/18\n  Running scriptlet: libcgroup-0.41-19.el8.x86_64                                                                                                                                                                                                                                    8\/18\n  Installing       : fuse3-libs-3.2.1-12.el8.x86_64                                                                                                                                                                                                                                  9\/18\n  Running scriptlet: fuse3-libs-3.2.1-12.el8.x86_64                                                                                                                                                                                                                                  9\/18\n  Installing       : fuse3-3.2.1-12.el8.x86_64                                                                                                                                                                                                                                      10\/18\n  Installing       : fuse-overlayfs-1.4.0-2.module_el8.4.0+2332+f4da7515.x86_64                                                                                                                                                                                                     11\/18\n  Running scriptlet: fuse-overlayfs-1.4.0-2.module_el8.4.0+2332+f4da7515.x86_64                                                                                                                                                                                                     11\/18\n  Installing       : checkpolicy-2.9-1.el8.x86_64                                                                                                                                                                                                                                   12\/18\n  Installing       : python3-policycoreutils-2.9-14.el8.noarch                                                                                                                                                                                                                      13\/18\n  Installing       : policycoreutils-python-utils-2.9-14.el8.noarch                                                                                                                                                                                                                 14\/18\n  Running scriptlet: container-selinux-2:2.158.0-1.module_el8.4.0+2332+f4da7515.noarch                                                                                                                                                                                              15\/18\n  Installing       : container-selinux-2:2.158.0-1.module_el8.4.0+2332+f4da7515.noarch                                                                                                                                                                                              15\/18\n  Running scriptlet: container-selinux-2:2.158.0-1.module_el8.4.0+2332+f4da7515.noarch                                                                                                                                                                                              15\/18\n  Installing       : containerd.io-1.4.6-3.1.el8.x86_64                                                                                                                                                                                                                             16\/18\n  Running scriptlet: containerd.io-1.4.6-3.1.el8.x86_64                                                                                                                                                                                                                             16\/18\n  Installing       : docker-ce-rootless-extras-20.10.7-3.el8.x86_64                                                                                                                                                                                                                 17\/18\n  Running scriptlet: docker-ce-rootless-extras-20.10.7-3.el8.x86_64                                                                                                                                                                                                                 17\/18\n  Installing       : docker-ce-3:20.10.7-3.el8.x86_64                                                                                                                                                                                                                               18\/18\n  Running scriptlet: docker-ce-3:20.10.7-3.el8.x86_64                                                                                                                                                                                                                               18\/18\n  Running scriptlet: container-selinux-2:2.158.0-1.module_el8.4.0+2332+f4da7515.noarch                                                                                                                                                                                              18\/18\n  Running scriptlet: docker-ce-3:20.10.7-3.el8.x86_64                                                                                                                                                                                                                               18\/18\n  Verifying        : checkpolicy-2.9-1.el8.x86_64                                                                                                                                                                                                                                    1\/18\n  Verifying        : fuse3-3.2.1-12.el8.x86_64                                                                                                                                                                                                                                       2\/18\n  Verifying        : fuse3-libs-3.2.1-12.el8.x86_64                                                                                                                                                                                                                                  3\/18\n  Verifying        : libcgroup-0.41-19.el8.x86_64                                                                                                                                                                                                                                    4\/18\n  Verifying        : policycoreutils-python-utils-2.9-14.el8.noarch                                                                                                                                                                                                                  5\/18\n  Verifying        : python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_64                                                                                                                                                                                                            6\/18\n  Verifying        : python3-libsemanage-2.9-6.el8.x86_64                                                                                                                                                                                                                            7\/18\n  Verifying        : python3-policycoreutils-2.9-14.el8.noarch                                                                                                                                                                                                                       8\/18\n  Verifying        : python3-setools-4.3.0-2.el8.x86_64                                                                                                                                                                                                                              9\/18\n  Verifying        : container-selinux-2:2.158.0-1.module_el8.4.0+2332+f4da7515.noarch                                                                                                                                                                                              10\/18\n  Verifying        : fuse-overlayfs-1.4.0-2.module_el8.4.0+2332+f4da7515.x86_64                                                                                                                                                                                                     11\/18\n  Verifying        : libslirp-4.3.1-1.module_el8.4.0+2332+f4da7515.x86_64                                                                                                                                                                                                           12\/18\n  Verifying        : slirp4netns-1.1.8-1.module_el8.4.0+2332+f4da7515.x86_64                                                                                                                                                                                                        13\/18\n  Verifying        : containerd.io-1.4.6-3.1.el8.x86_64                                                                                                                                                                                                                             14\/18\n  Verifying        : docker-ce-3:20.10.7-3.el8.x86_64                                                                                                                                                                                                                               15\/18\n  Verifying        : docker-ce-cli-1:20.10.7-3.el8.x86_64                                                                                                                                                                                                                           16\/18\n  Verifying        : docker-ce-rootless-extras-20.10.7-3.el8.x86_64                                                                                                                                                                                                                 17\/18\n  Verifying        : docker-scan-plugin-0.8.0-3.el8.x86_64                                                                                                                                                                                                                          18\/18\n\nInstalled:\n  checkpolicy-2.9-1.el8.x86_64                      container-selinux-2:2.158.0-1.module_el8.4.0+2332+f4da7515.noarch    containerd.io-1.4.6-3.1.el8.x86_64                            docker-ce-3:20.10.7-3.el8.x86_64                        docker-ce-cli-1:20.10.7-3.el8.x86_64\n  docker-ce-rootless-extras-20.10.7-3.el8.x86_64    docker-scan-plugin-0.8.0-3.el8.x86_64                                fuse-overlayfs-1.4.0-2.module_el8.4.0+2332+f4da7515.x86_64    fuse3-3.2.1-12.el8.x86_64                               fuse3-libs-3.2.1-12.el8.x86_64\n  libcgroup-0.41-19.el8.x86_64                      libslirp-4.3.1-1.module_el8.4.0+2332+f4da7515.x86_64                 policycoreutils-python-utils-2.9-14.el8.noarch                python3-audit-3.0-0.17.20191104git1c2f876.el8.x86_64    python3-libsemanage-2.9-6.el8.x86_64\n  python3-policycoreutils-2.9-14.el8.noarch         python3-setools-4.3.0-2.el8.x86_64                                   slirp4netns-1.1.8-1.module_el8.4.0+2332+f4da7515.x86_64\n\nComplete!\n$ [[root@node-1 ~]$\n<\/pre>\n<p>The worker nodes need two open ports to work proberly, port 500 udp and port 4500 udp.<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n$ [[root@node-1 ~]$ firewall-cmd --zone=public --permanent --add-port 500\/udp\n$ [[root@node-1 ~]$ success\n$ [[root@node-1 ~]$[firewall-cmd --zone=public --permanent --add-port 4500\/udp\n$ [[root@node-1 ~]$ success\n$ [[root@node-1 ~]$ firewall-cmd --reload\n$ [[root@node-1 ~]$ success\n$ [[root@node-1 ~]$\n<\/pre>\n<p>No it is time to register the worker node, for that go to in the webfrontend from the control node to Infrastructure -&gt; Hosts.<br \/>\nThere at first will come a question if the control node is reachable over the url, please accept.<\/p>\n<p>Adding a Host, marked is the url as docker command to tegister a agent \/ worker node at the control node.<br \/>\n<a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/02_Rancher_add_host_mod.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/02_Rancher_add_host_mod.jpg\" alt=\"\" width=\"1000\" height=\"503\" class=\"aligncenter size-full wp-image-50313\" \/><\/a><\/p>\n<p>Adding the agent \/ worker node using the url provide by the control node:<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n$ [[root@node-1 ~]$ docker run --rm --privileged -v \/var\/run\/docker.sock:\/var\/run\/docker.sock -v \/var\/lib\/rancher:\/var\/lib\/rancher rancher\/agent:v1.2.11 http:\/\/192.168.198.128:8080\/v1\/scripts\/3E86E8E2646B5571AAEE:1609372800000:HQWlTmjzKhd4MGvQP8fs2n7jlZQ\n$ [[root@node-1 ~]$ Unable to find image 'rancher\/agent:v1.2.11' locally\n$ [[root@node-1 ~]$ v1.2.11: Pulling from rancher\/agent\n$ [[root@node-1 ~]$ b3e1c725a85f: Pull complete\n$ [[root@node-1 ~]$ 6a710864a9fc: Pull complete\n$ [[root@node-1 ~]$ d0ac3b234321: Pull complete\n$ [[root@node-1 ~]$ 87f567b5cf58: Pull complete\n$ [[root@node-1 ~]$ 063e24b217c4: Pull complete\n$ [[root@node-1 ~]$ d0a3f58caef0: Pull complete\n$ [[root@node-1 ~]$ 16914729cfd3: Pull complete\n$ [[root@node-1 ~]$ bbad862633b9: Pull complete\n$ [[root@node-1 ~]$ 3cf9849d7f3c: Pull complete\n$ [[root@node-1 ~]$ Digest: sha256:0fba3fb10108f7821596dc5ad4bfa30e93426d034cd3471f6ccd3afb5f87a963\n$ [[root@node-1 ~]$ Status: Downloaded newer image for rancher\/agent:v1.2.11\n$ [[root@node-1 ~]$ \n$ [[root@node-1 ~]$ INFO: Running Agent Registration Process, CATTLE_URL=http:\/\/192.168.198.128:8080\/v1\n$ [[root@node-1 ~]$ INFO: Attempting to connect to: http:\/\/192.168.198.128:8080\/v1\n$ [[root@node-1 ~]$ INFO: http:\/\/192.168.198.128:8080\/v1 is accessible\n$ [[root@node-1 ~]$ INFO: Configured Host Registration URL info: CATTLE_URL=http:\/\/192.168.198.128:8080\/v1 ENV_URL=http:\/\/192.168.198.128:8080\/v1\n$ [[root@node-1 ~]$ INFO: Inspecting host capabilities\n$ [[root@node-1 ~]$ INFO: Boot2Docker: false\n$ [[root@node-1 ~]$ INFO: Host writable: true\n$ [[root@node-1 ~]$ INFO: Token: xxxxxxxx\n$ [[root@node-1 ~]$ INFO: Running registration\n$ [[root@node-1 ~]$ INFO: Printing Environment\n$ [[root@node-1 ~]$ INFO: ENV: CATTLE_ACCESS_KEY=5E71550625C281E062F5\n$ [[root@node-1 ~]$ INFO: ENV: CATTLE_HOME=\/var\/lib\/cattle\n$ [[root@node-1 ~]$ INFO: ENV: CATTLE_REGISTRATION_ACCESS_KEY=registrationToken\n$ [[root@node-1 ~]$ INFO: ENV: CATTLE_REGISTRATION_SECRET_KEY=xxxxxxx\n$ [[root@node-1 ~]$ INFO: ENV: CATTLE_SECRET_KEY=xxxxxxx\n$ [[root@node-1 ~]$ INFO: ENV: CATTLE_URL=http:\/\/192.168.198.128:8080\/v1\n$ [[root@node-1 ~]$ INFO: ENV: DETECTED_CATTLE_AGENT_IP=192.168.198.129\n$ [[root@node-1 ~]$ INFO: ENV: RANCHER_AGENT_IMAGE=rancher\/agent:v1.2.11\n$ [[root@node-1 ~]$ INFO: Launched Rancher Agent: 78fba978ef03b9d0604a8bd8ea580a01aa4bb3a0c2cd900d4898d7bc0097c721\n$ [[root@node-1 ~]$\n<\/pre>\n<p>Waiting a few minutes and the agents are registered:<br \/>\n<a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/04_Rancher_all_hosts-2.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/04_Rancher_all_hosts-2.png\" alt=\"\" width=\"1000\" height=\"495\" class=\"aligncenter size-full wp-image-50321\" \/><\/a><\/p>\n<p>Running container on a fresh installation:<br \/>\n<a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/05_running_container_after_installation.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/05_running_container_after_installation.png\" alt=\"\" width=\"1000\" height=\"502\" class=\"aligncenter size-full wp-image-50322\" \/><\/a><\/p>\n<p>No it is time to play with containers, this is a good test installation for the first steps using Rancher:<br \/>\n<a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/06_choose_containers-1.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/06_choose_containers-1.png\" alt=\"\" width=\"1000\" height=\"505\" class=\"aligncenter size-full wp-image-50325\" \/><\/a><\/p>\n<p>I choose a PostgreSQL container latest PostgreSQL Version:<br \/>\n<a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/07_collecting_postgresql_container.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/07_collecting_postgresql_container.png\" alt=\"\" width=\"1000\" height=\"493\" class=\"aligncenter size-full wp-image-50328\" \/><\/a><\/p>\n<p>And a fiew seconds later the containers are up and running:<br \/>\n<a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/08_postgresql_container_running.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/08_postgresql_container_running.png\" alt=\"\" width=\"1000\" height=\"483\" class=\"aligncenter size-full wp-image-50329\" \/><\/a><\/p>\n<p>Load Balancer looks like outdated lets upgrade:<br \/>\n<a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/09_upgrade_lb.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/09_upgrade_lb.png\" alt=\"\" width=\"1000\" height=\"474\" class=\"aligncenter size-full wp-image-50330\" \/><\/a><\/p>\n<p>Just click on upgrade, wait a few seconds and everything is up to date, up and running.<\/p>\n<p>Rancher Community is a good choice for starting with container technologies.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This Blog is about the installation of Rancher Community on a RHEL 8 compatible Linux, for this Blog i choose AlmaLinux 8.4, but i will also work on Rocky Linux 8.4 Release Candidate. Base is an AlmaLinux \/ Rocky Linux minimal installation on a VMWare Host for all nodes, using the same configuration with 4vCPU [&hellip;]<\/p>\n","protected":false},"author":28,"featured_media":16413,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1504,1522],"tags":[601,2634,2276],"type_dbi":[],"class_list":["post-16412","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-docker","category-kubernetes","tag-docker","tag-kubernetes-2","tag-rancher"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Rancher installation on RHEL 8 compatible Linux - dbi Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dbi-services.com\/blog\/rancher-installation-on-rhel-8-compatible-linux\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rancher installation on RHEL 8 compatible Linux\" \/>\n<meta property=\"og:description\" content=\"This Blog is about the installation of Rancher Community on a RHEL 8 compatible Linux, for this Blog i choose AlmaLinux 8.4, but i will also work on Rocky Linux 8.4 Release Candidate. 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