{"id":254,"date":"2022-01-18T12:50:53","date_gmt":"2022-01-18T11:50:53","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/2022\/01\/18\/migrating-a-centos-7-ami-to-rocky-linux-8\/"},"modified":"2022-04-06T08:26:46","modified_gmt":"2022-04-06T06:26:46","slug":"migrating-a-centos-7-ami-to-rocky-linux-8","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/","title":{"rendered":"Migrating a CentOS 7 EC2 instance to Rocky Linux 8"},"content":{"rendered":"<p>Some time ago I&#8217;ve written about <a href=\"https:\/\/www.dbi-services.com\/blog\/switching-from-centos-8-to-red-hat-8\/\" target=\"_blank\" rel=\"noopener\">migrating a CentOS 8 machine to Red Hat 8<\/a>, because <a href=\"https:\/\/centos.org\/\" target=\"_blank\" rel=\"noopener\">CentOS<\/a> 8 reached end of life last December. We did that for all CentOS 8 installations at that customer and all are running as virtual machines. The very same customer has many <a href=\"https:\/\/aws.amazon.com\/ec2\/\" target=\"_blank\" rel=\"noopener\">EC2 instances<\/a> running on CentOS 7. Migrating away from CentOS 7 is one of the next tasks to complete, as <a href=\"https:\/\/en.wikipedia.org\/wiki\/CentOS#End-of-support_schedule\" target=\"_blank\" rel=\"noopener\">CentOS 7 will reach end of life in 2024<\/a>. For doing that, you basically have two options (if you want to stay inside the Red Hat family): Either you deploy your target distribution (either <a href=\"https:\/\/rockylinux.org\/\" target=\"_blank\" rel=\"noopener\">Rocky Linux<\/a>, <a href=\"https:\/\/almalinux.org\/\" target=\"_blank\" rel=\"noopener\">Alma Linux<\/a>, <a href=\"https:\/\/www.oracle.com\/linux\/\" target=\"_blank\" rel=\"noopener\">Oracle Linux<\/a> or <a href=\"https:\/\/www.redhat.com\/en\/technologies\/linux-platforms\/enterprise-linux\" target=\"_blank\" rel=\"noopener\">Red Hat Enterprise Linux<\/a>) from an existing <a href=\"https:\/\/docs.aws.amazon.com\/AWSEC2\/latest\/UserGuide\/AMIs.html\" target=\"_blank\" rel=\"noopener\">AMI<\/a> and then re-install everything you need and restore the data. Another option would be to directly upgrade from CentOS 7 to whatever Red Hat based Linux version 8. We&#8217;ll go for the second option in this post.<br \/>\n<!--more--><\/p>\n<p><b>Before we start: Of course you need a backup of your EC2 instance before doing this! Of course you really need to test your application after the upgrade because a lot of packages and the kernel will change.<\/b><\/p>\n<p>You might wonder how this will work at all, because there is no supported migration path from CentOS 7 to CentOS 8. The people behind Alma Linux stepped into this and created a project called <a href=\"https:\/\/almalinux.org\/elevate\" target=\"_blank\" rel=\"noopener\">Elevate<\/a> to support exactly those migrations. You can use that tool to migrate from CentOS 7 to AlmaLinux 8, to Rock Linux 8 and to Oracle Linux 8.<\/p>\n<p>My starting point is a fresh EC2 instance based on the latest CentOS 7 AMI:<br \/>\n<a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/01\/centos7-1.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/01\/centos7-1.jpg\" alt=\"\" width=\"1660\" height=\"586\" class=\"aligncenter size-full wp-image-53758\" \/><\/a><\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n[centos@ip-10-0-1-100 ~]$ cat \/etc\/centos-release\nCentOS Linux release 7.7.1908 (Core)\n[centos@ip-10-0-1-100 ~]$ uname -a\nLinux ip-10-0-1-100.eu-central-1.compute.internal 3.10.0-1062.12.1.el7.x86_64 #1 SMP Tue Feb 4 23:02:59 UTC 2020 x86_64 x86_64 x86_64 GNU\/Linux\n<\/pre>\n<p>First thing to do: Update the system to the latest release and reboot:<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n[centos@ip-10-0-1-100 ~]$ sudo yum update -y\nLoaded plugins: fastestmirror\nDetermining fastest mirrors\n * base: download.cf.centos.org\n * extras: download.cf.centos.org\n * updates: download.cf.centos.org\nbase                                                                                                                                                                                                                                                   | 3.6 kB  00:00:00     \nextras                                                                                                                                                                                                                                                 | 2.9 kB  00:00:00     \nupdates                                                                                                                                                                                                                                                | 2.9 kB  00:00:00     \n(1\/4): base\/7\/x86_64\/group_gz                                                                                                                                                                                                                          | 153 kB  00:00:00     \n(2\/4): extras\/7\/x86_64\/primary_db                                                                                                                                                                                                                      | 243 kB  00:00:00     \n(3\/4): updates\/7\/x86_64\/primary_db                                                                                                                                                                                                                     |  13 MB  00:00:00     \n(4\/4): base\/7\/x86_64\/primary_db                                                                                                                                                                                                                        | 6.1 MB  00:00:00     \nResolving Dependencies\n--&gt; Running transaction check\n---&gt; Package acl.x86_64 0:2.2.51-14.el7 will be updated\n---&gt; Package acl.x86_64 0:2.2.51-15.el7 will be an update\n...\n  sg3_utils-libs.x86_64 1:1.37-19.el7                   shared-mime-info.x86_64 0:1.8-5.el7                     sudo.x86_64 0:1.8.23-10.el7_9.2                         systemd.x86_64 0:219-78.el7_9.5                      systemd-libs.x86_64 0:219-78.el7_9.5           \n  systemd-sysv.x86_64 0:219-78.el7_9.5                  teamd.x86_64 0:1.29-3.el7                               tuned.noarch 0:2.11.0-11.el7_9                          tzdata.noarch 0:2021e-1.el7                          util-linux.x86_64 0:2.23.2-65.el7_9.1          \n  vim-minimal.x86_64 2:7.4.629-8.el7_9                  virt-what.x86_64 0:1.18-4.el7_9.1                       wpa_supplicant.x86_64 1:2.6-12.el7_9.2                  xfsprogs.x86_64 0:4.5.0-22.el7                       yum.noarch 0:3.4.3-168.el7.centos              \n  yum-plugin-fastestmirror.noarch 0:1.1.31-54.el7_8     yum-utils.noarch 0:1.1.31-54.el7_8                      zlib.x86_64 0:1.2.7-19.el7_9                           \n\nReplaced:\n  iwl7265-firmware.noarch 0:22.0.7.0-72.el7                                                                                                                                                                                                                                   \n\nComplete!\n[centos@ip-10-0-1-100 ~]$ sudo reboot\n...\n[centos@ip-10-0-1-100 ~]$ cat \/etc\/centos-release\nCentOS Linux release 7.9.2009 (Core)\n[centos@ip-10-0-1-100 ~]$ uname -a\nLinux ip-10-0-1-100.eu-central-1.compute.internal 3.10.0-1160.49.1.el7.x86_64 #1 SMP Tue Nov 30 15:51:32 UTC 2021 x86_64 x86_64 x86_64 GNU\/Linux\n<\/pre>\n<p>Install the elevate repository:<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n[centos@ip-10-0-1-100 ~]$ sudo yum install -y http:\/\/repo.almalinux.org\/elevate\/elevate-release-latest-el7.noarch.rpm\nLoaded plugins: fastestmirror\nelevate-release-latest-el7.noarch.rpm                                                                                                                                                                                                                  | 6.9 kB  00:00:00     \nExamining \/var\/tmp\/yum-root-NQPt77\/elevate-release-latest-el7.noarch.rpm: elevate-release-1.0-1.el7.noarch\nMarking \/var\/tmp\/yum-root-NQPt77\/elevate-release-latest-el7.noarch.rpm to be installed\nResolving Dependencies\n--&gt; Running transaction check\n---&gt; Package elevate-release.noarch 0:1.0-1.el7 will be installed\n--&gt; Finished Dependency Resolution\n\nDependencies Resolved\n\n==============================================================================================================================================================================================================================================================================\n Package                                                         Arch                                                   Version                                                      Repository                                                                          Size\n==============================================================================================================================================================================================================================================================================\nInstalling:\n elevate-release                                                 noarch                                                 1.0-1.el7                                                    \/elevate-release-latest-el7.noarch                                                 3.4 k\n\nTransaction Summary\n==============================================================================================================================================================================================================================================================================\nInstall  1 Package\n\nTotal size: 3.4 k\nInstalled size: 3.4 k\nDownloading packages:\nRunning transaction check\nRunning transaction test\nTransaction test succeeded\nRunning transaction\n  Installing : elevate-release-1.0-1.el7.noarch                                                                                                                                                                                                                           1\/1 \n  Verifying  : elevate-release-1.0-1.el7.noarch                                                                                                                                                                                                                           1\/1 \n\nInstalled:\n  elevate-release.noarch 0:1.0-1.el7                                                                                                                                                                                                                                          \n\nComplete!\n<\/pre>\n<p>Elevate uses <a href=\"https:\/\/leapp.readthedocs.io\/en\/latest\/index.html\" target=\"_blank\" rel=\"noopener\">Leapp<\/a> in the background so we need to install the corresponding packages:<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n\n[centos@ip-10-0-1-100 ~]$  sudo yum install -y leapp-upgrade leapp-data-rocky\nLoaded plugins: fastestmirror\nLoading mirror speeds from cached hostfile\n * base: download.cf.centos.org\n * extras: download.cf.centos.org\n * updates: download.cf.centos.org\nelevate                                                                                                                                                                                                                                                | 3.0 kB  00:00:00     \nelevate\/x86_64\/primary_db                                                                                                                                                                                                                              | 6.7 kB  00:00:00     \nResolving Dependencies\n--&gt; Running transaction check\n---&gt; Package leapp-data-rocky.noarch 0:0.1-2.el7 will be installed\n---&gt; Package leapp-upgrade-el7toel8.noarch 0:0.14.0-100.202109271224Z.b7ebfca.master.el7.elevate will be installed\n--&gt; Processing Dependency: leapp-repository-dependencies = 6 for package: leapp-upgrade-el7toel8-0.14.0-100.202109271224Z.b7ebfca.master.el7.elevate.noarch\n--&gt; Processing Dependency: leapp-framework &lt; 3 for package: leapp-upgrade-el7toel8-0.14.0-100.202109271224Z.b7ebfca.master.el7.elevate.noarch\n...\nDependency Installed:\n  deltarpm.x86_64 0:3.6-3.el7                                                     dnf.noarch 0:4.0.9.2-2.el7_9                                                            dnf-data.noarch 0:4.0.9.2-2.el7_9                                                                 \n  leapp.noarch 0:0.12.1-100.20210924142320684911.master.28.g1f03432.el7           leapp-deps.noarch 0:0.12.1-100.20210924142320684911.master.28.g1f03432.el7              leapp-upgrade-el7toel8-deps.noarch 0:0.14.0-100.202109271224Z.b7ebfca.master.el7.elevate          \n  libcomps.x86_64 0:0.1.8-14.el7                                                  libdnf.x86_64 0:0.22.5-2.el7_9                                                          libmodulemd.x86_64 0:1.6.3-1.el7                                                                  \n  librepo.x86_64 0:1.8.1-8.el7_9                                                  libreport-filesystem.x86_64 0:2.1.11-53.el7.centos                                      libsolv.x86_64 0:0.6.34-4.el7                                                                     \n  pciutils.x86_64 0:3.5.1-3.el7                                                   python-enum34.noarch 0:1.0.4-1.el7                                                      python2-dnf.noarch 0:4.0.9.2-2.el7_9                                                              \n  python2-hawkey.x86_64 0:0.22.5-2.el7_9                                          python2-leapp.noarch 0:0.12.1-100.20210924142320684911.master.28.g1f03432.el7           python2-libcomps.x86_64 0:0.1.8-14.el7                                                            \n  python2-libdnf.x86_64 0:0.22.5-2.el7_9                                         \n\nComplete!\n<\/pre>\n<p>If you want to migrate to one of the other distributions, replace the &#8220;leapp-data-rocky&#8221; package with one of these:<\/p>\n<ul>\n<li>leapp-data-almalinux<\/li>\n<li>leapp-data-oraclelinux<\/li>\n<li>leapp-data-rocky<\/li>\n<\/ul>\n<p>Time for the pre-ugrade check:<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n[centos@ip-10-0-1-100 ~]$ sudo leapp preupgrade\n==&gt; Processing phase `configuration_phase`\n====&gt; * ipu_workflow_config\n        IPU workflow config actor\n==&gt; Processing phase `FactsCollection`\n====&gt; * firewalld_facts_actor\n        Provide data about firewalld\n====&gt; * source_boot_loader_scanner\n        Scans the boot loader configuration on the source system.\n====&gt; * repository_mapping\n        Produces message containing repository mapping based on provided file.\n====&gt; * read_openssh_config\n        Collect information about the OpenSSH configuration.\n====&gt; * scandasd\n        In case of s390x architecture, check whether DASD is used.\n====&gt; * rpm_scanner\n        Provides data about installed RPM Packages.\n...\n====&gt; * target_userspace_creator\n        Initializes a directory to be populated as a minimal environment to run binaries from the target system.\nRocky Linux 8 - PowerTools                      6.8 MB\/s | 2.5 MB     00:00    \nRocky Linux 8 - Extras                           42 kB\/s |  10 kB     00:00    \nRocky Linux 8 - AppStream                       7.4 MB\/s | 8.7 MB     00:01    \nRocky Linux 8 - BaseOS                          4.2 MB\/s | 4.6 MB     00:01    \nRocky Linux 8 - HighAvailability                743 kB\/s | 545 kB     00:00    \nDependencies resolved.\n================================================================================\n Package                     Arch   Version              Repository        Size\n================================================================================\nInstalling:\n dnf                         noarch 4.7.0-4.el8          rocky8-baseos    543 k\n dnf-plugins-core            noarch 4.0.21-3.el8         rocky8-baseos     69 k\n...\nCheck completed.\n====&gt; * tmp_actor_to_satisfy_sanity_checks\n        The actor does NOTHING but satisfy static sanity checks\n====&gt; * check_initramfs_tasks\n        Inhibit the upgrade if conflicting \"initramfs\" tasks are detected\n==&gt; Processing phase `Reports`\n====&gt; * verify_check_results\n        Check all dialogs and notify that user needs to make some choices.\n====&gt; * verify_check_results\n        Check all generated results messages and notify user about them.\n\n============================================================\n                     UPGRADE INHIBITED                      \n============================================================\n\nUpgrade has been inhibited due to the following problems:\n    1. Inhibitor: Missing required answers in the answer file\nConsult the pre-upgrade report for details and possible remediation.\n\n============================================================\n                     UPGRADE INHIBITED                      \n============================================================\n\n\nDebug output written to \/var\/log\/leapp\/leapp-preupgrade.log\n\n============================================================\n                           REPORT                           \n============================================================\n\nA report has been generated at \/var\/log\/leapp\/leapp-report.json\nA report has been generated at \/var\/log\/leapp\/leapp-report.txt\n\n============================================================\n                       END OF REPORT                        \n============================================================\n\nAnswerfile has been generated at \/var\/log\/leapp\/answerfile\n<\/pre>\n<p>Have a look at the generated answer file and the report. Any issues you need to fix are mentioned there. In my case, this is what I had to do:<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n[centos@ip-10-0-1-100 ~]$ echo PermitRootLogin yes | sudo tee -a \/etc\/ssh\/sshd_config\nPermitRootLogin yes\n[centos@ip-10-0-1-100 ~]$ sudo leapp answer --section remove_pam_pkcs11_module_check.confirm=True\n<\/pre>\n<p>Once this is done, kick off the migration:<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n[centos@ip-10-0-1-100 ~]$ sudo leapp upgrade\n==&gt; Processing phase `configuration_phase`\n====&gt; * ipu_workflow_config\n        IPU workflow config actor\n==&gt; Processing phase `FactsCollection`\n====&gt; * firewalld_facts_actor\n        Provide data about firewalld\n...\nThe downloaded packages were saved in cache until the next successful transaction.\nYou can remove cached packages by executing 'dnf clean packages'.\n==&gt; Processing phase `InterimPreparation`\n====&gt; * efi_interim_fix\n        Adjust EFI boot entry for first reboot\n====&gt; * upgrade_initramfs_generator\n        Creates the upgrade initramfs\n====&gt; * add_upgrade_boot_entry\n        Add new boot entry for Leapp provided initramfs.\nA reboot is required to continue. Please reboot your system.\n\n\nDebug output written to \/var\/log\/leapp\/leapp-upgrade.log\n\n============================================================\n                           REPORT                           \n============================================================\n\nA report has been generated at \/var\/log\/leapp\/leapp-report.json\nA report has been generated at \/var\/log\/leapp\/leapp-report.txt\n\n============================================================\n                       END OF REPORT                        \n============================================================\n\nAnswerfile has been generated at \/var\/log\/leapp\/answerfile\n<\/pre>\n<p>Looks all fine, the final step is a reboot:<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n[centos@ip-10-0-1-100 ~]$ sudo reboot\n<\/pre>\n<p>Don&#8217;t panic, this reboot takes time. If you are using AWS EC2 you can use the <a href=\"https:\/\/docs.aws.amazon.com\/AWSEC2\/latest\/UserGuide\/ec2-serial-console.html\" target=\"_blank\" rel=\"noopener\">Serial Console<\/a> to check what is going on:<br \/>\n<a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/01\/centos7-2-1.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/01\/centos7-2-1.jpg\" alt=\"\" width=\"1000\" height=\"297\" class=\"aligncenter size-full wp-image-53761\" \/><\/a><\/p>\n<p>After some minutes the EC2 instance should be back:<\/p>\n<pre class=\"brush: bash; gutter: true; first-line: 1\">\n[centos@ip-10-0-1-100 ~]$ cat \/etc\/rocky-release\nRocky Linux release 8.5 (Green Obsidian)\n[centos@ip-10-0-1-100 ~]$ uname -a\nLinux ip-10-0-1-100.eu-central-1.compute.internal 4.18.0-348.7.1.el8_5.x86_64 #1 SMP Tue Dec 21 19:02:23 UTC 2021 x86_64 x86_64 x86_64 GNU\/Linux\n<\/pre>\n<p>Quite easy and straight forward, but this was an installation without any user data, modifications to the system or third party applications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Some time ago I&#8217;ve written about migrating a CentOS 8 machine to Red Hat 8, because CentOS 8 reached end of life last December. We did that for all CentOS 8 installations at that customer and all are running as virtual machines. The very same customer has many EC2 instances running on CentOS 7. Migrating [&hellip;]<\/p>\n","protected":false},"author":28,"featured_media":93,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[229],"tags":[71,72,73,74,75],"type_dbi":[],"class_list":["post-254","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-database-administration-monitoring","tag-alma-linux","tag-centos","tag-linux","tag-oracle-linux","tag-rocky-linux"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Migrating a CentOS 7 EC2 instance to Rocky Linux 8 - 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\/migrating-a-centos-7-ami-to-rocky-linux-8\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Migrating a CentOS 7 EC2 instance to Rocky Linux 8\" \/>\n<meta property=\"og:description\" content=\"Some time ago I&#8217;ve written about migrating a CentOS 8 machine to Red Hat 8, because CentOS 8 reached end of life last December. We did that for all CentOS 8 installations at that customer and all are running as virtual machines. The very same customer has many EC2 instances running on CentOS 7. Migrating [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/\" \/>\n<meta property=\"og:site_name\" content=\"dbi Blog\" \/>\n<meta property=\"article:published_time\" content=\"2022-01-18T11:50:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-04-06T06:26:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/01\/centos7-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1660\" \/>\n\t<meta property=\"og:image:height\" content=\"586\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Open source Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Open source Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migrating-a-centos-7-ami-to-rocky-linux-8\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migrating-a-centos-7-ami-to-rocky-linux-8\\\/\"},\"author\":{\"name\":\"Open source Team\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/#\\\/schema\\\/person\\\/4bae5e5dd8c7d48edbd948772b49b202\"},\"headline\":\"Migrating a CentOS 7 EC2 instance to Rocky Linux 8\",\"datePublished\":\"2022-01-18T11:50:53+00:00\",\"dateModified\":\"2022-04-06T06:26:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migrating-a-centos-7-ami-to-rocky-linux-8\\\/\"},\"wordCount\":424,\"commentCount\":6,\"image\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migrating-a-centos-7-ami-to-rocky-linux-8\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2022\\\/01\\\/centos7-1.jpg\",\"keywords\":[\"Alma Linux\",\"CentOS\",\"Linux\",\"Oracle Linux\",\"Rocky Linux\"],\"articleSection\":[\"Database Administration &amp; Monitoring\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migrating-a-centos-7-ami-to-rocky-linux-8\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migrating-a-centos-7-ami-to-rocky-linux-8\\\/\",\"url\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migrating-a-centos-7-ami-to-rocky-linux-8\\\/\",\"name\":\"Migrating a CentOS 7 EC2 instance to Rocky Linux 8 - dbi Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migrating-a-centos-7-ami-to-rocky-linux-8\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migrating-a-centos-7-ami-to-rocky-linux-8\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2022\\\/01\\\/centos7-1.jpg\",\"datePublished\":\"2022-01-18T11:50:53+00:00\",\"dateModified\":\"2022-04-06T06:26:46+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/#\\\/schema\\\/person\\\/4bae5e5dd8c7d48edbd948772b49b202\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migrating-a-centos-7-ami-to-rocky-linux-8\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migrating-a-centos-7-ami-to-rocky-linux-8\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migrating-a-centos-7-ami-to-rocky-linux-8\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2022\\\/01\\\/centos7-1.jpg\",\"contentUrl\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/wp-content\\\/uploads\\\/sites\\\/2\\\/2022\\\/01\\\/centos7-1.jpg\",\"width\":1660,\"height\":586},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/migrating-a-centos-7-ami-to-rocky-linux-8\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Migrating a CentOS 7 EC2 instance to Rocky Linux 8\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/\",\"name\":\"dbi Blog\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/#\\\/schema\\\/person\\\/4bae5e5dd8c7d48edbd948772b49b202\",\"name\":\"Open source Team\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/eb4fb12e386e8c41fdef0733e8114594cf2653e4f55e9fa2161442b8eaf3f657?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/eb4fb12e386e8c41fdef0733e8114594cf2653e4f55e9fa2161442b8eaf3f657?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/eb4fb12e386e8c41fdef0733e8114594cf2653e4f55e9fa2161442b8eaf3f657?s=96&d=mm&r=g\",\"caption\":\"Open source Team\"},\"url\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/author\\\/open-source-team\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Migrating a CentOS 7 EC2 instance to Rocky Linux 8 - dbi Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/","og_locale":"en_US","og_type":"article","og_title":"Migrating a CentOS 7 EC2 instance to Rocky Linux 8","og_description":"Some time ago I&#8217;ve written about migrating a CentOS 8 machine to Red Hat 8, because CentOS 8 reached end of life last December. We did that for all CentOS 8 installations at that customer and all are running as virtual machines. The very same customer has many EC2 instances running on CentOS 7. Migrating [&hellip;]","og_url":"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/","og_site_name":"dbi Blog","article_published_time":"2022-01-18T11:50:53+00:00","article_modified_time":"2022-04-06T06:26:46+00:00","og_image":[{"width":1660,"height":586,"url":"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/01\/centos7-1.jpg","type":"image\/jpeg"}],"author":"Open source Team","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Open source Team","Est. reading time":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/#article","isPartOf":{"@id":"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/"},"author":{"name":"Open source Team","@id":"https:\/\/www.dbi-services.com\/blog\/#\/schema\/person\/4bae5e5dd8c7d48edbd948772b49b202"},"headline":"Migrating a CentOS 7 EC2 instance to Rocky Linux 8","datePublished":"2022-01-18T11:50:53+00:00","dateModified":"2022-04-06T06:26:46+00:00","mainEntityOfPage":{"@id":"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/"},"wordCount":424,"commentCount":6,"image":{"@id":"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/#primaryimage"},"thumbnailUrl":"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/01\/centos7-1.jpg","keywords":["Alma Linux","CentOS","Linux","Oracle Linux","Rocky Linux"],"articleSection":["Database Administration &amp; Monitoring"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/","url":"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/","name":"Migrating a CentOS 7 EC2 instance to Rocky Linux 8 - dbi Blog","isPartOf":{"@id":"https:\/\/www.dbi-services.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/#primaryimage"},"image":{"@id":"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/#primaryimage"},"thumbnailUrl":"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/01\/centos7-1.jpg","datePublished":"2022-01-18T11:50:53+00:00","dateModified":"2022-04-06T06:26:46+00:00","author":{"@id":"https:\/\/www.dbi-services.com\/blog\/#\/schema\/person\/4bae5e5dd8c7d48edbd948772b49b202"},"breadcrumb":{"@id":"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/#primaryimage","url":"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/01\/centos7-1.jpg","contentUrl":"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/01\/centos7-1.jpg","width":1660,"height":586},{"@type":"BreadcrumbList","@id":"https:\/\/www.dbi-services.com\/blog\/migrating-a-centos-7-ami-to-rocky-linux-8\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/www.dbi-services.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Migrating a CentOS 7 EC2 instance to Rocky Linux 8"}]},{"@type":"WebSite","@id":"https:\/\/www.dbi-services.com\/blog\/#website","url":"https:\/\/www.dbi-services.com\/blog\/","name":"dbi Blog","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.dbi-services.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/www.dbi-services.com\/blog\/#\/schema\/person\/4bae5e5dd8c7d48edbd948772b49b202","name":"Open source Team","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/eb4fb12e386e8c41fdef0733e8114594cf2653e4f55e9fa2161442b8eaf3f657?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/eb4fb12e386e8c41fdef0733e8114594cf2653e4f55e9fa2161442b8eaf3f657?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/eb4fb12e386e8c41fdef0733e8114594cf2653e4f55e9fa2161442b8eaf3f657?s=96&d=mm&r=g","caption":"Open source Team"},"url":"https:\/\/www.dbi-services.com\/blog\/author\/open-source-team\/"}]}},"_links":{"self":[{"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/posts\/254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/comments?post=254"}],"version-history":[{"count":7,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/posts\/254\/revisions"}],"predecessor-version":[{"id":17022,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/posts\/254\/revisions\/17022"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/media\/93"}],"wp:attachment":[{"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/media?parent=254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/categories?post=254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/tags?post=254"},{"taxonomy":"type","embeddable":true,"href":"https:\/\/www.dbi-services.com\/blog\/wp-json\/wp\/v2\/type_dbi?post=254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}