Open source Team

Setup a Rocky Linux Repository server

This Blog is about a setup of a Rocky Linux Repository server. Many people whould complain that it will be the same than RHEL 8, but is is not, there are some differencies between AlmaLinux, Rocky Linux,(…)

Setup a AlmaLinux 8 Repository Server

This Blog is about to setup a AlmaLinux 8 Repository Server including EPEL and RPMFusion. Many people whould complain that it will be the same than RHEL 8, but is is not, there are some differencies between AlmaLinux,(…)

Installing MySQL InnoDB Cluster in OKE using a MySQL Operator

During previous months, I've had some time to satisfy my curiosity about databases in containers and I started to test a little bit MySQL in Kubernetes. This is how it all began...

How to upgrade Patroni

It's been a while since I wrote the blog post about PostgreSQL 13 and Patroni 2.0. On this blog I received a comment, if it's possible to explain, how to upgrade from Patroni 1.6 to 2.

How to setup a Consul Cluster on RHEL 8, Rocky Linux 8, AlmaLinux 8 part 2

Within the first part I have described the setup of Consul as replacement for ETCD. Here now the setup ob keepalived, haproxy and patroni. The needed packages I have installed within the first part, so let’s start with the(…)

PostgreSQL 15: Some new features

PostgreSQL version 15 is on its way and we get a better and better look, what will be included in the future release. So it's time to have a look at some new future features(…)

Upcoming RHEL 9

This Blog is about a setup of RHEL 9 BETA and changes to RHEL 8 and Fedora 34 which is the base of RHEL 9. Let’s start with the setup. Start the installation. Preview warning:(…)

How to setup a Consul Cluster on RHEL 8, Rocky Linux 8, AlmaLinux 8 part 1

This blog describes the setup of a Consul Cluster on RHEL 8 and clones, it will be the base for a Patroni HA setup using RPM Packages from postgresql.org. Many Patroni setups are using ETCD, but ETCD is not(…)

Configure LDAP authentication for Percona PMM

One question that comes often out working with Percona Monitoring and Management tool, is how to use LDAP to define users which can connect to the PMM web interface. Let's see how to implement this kind of(…)

Migration from CentOS 8 to Rocky Linux 8

This Blog describes the Migration from CentOS 8 to Rocky Linux 8. And hopefully there is a backup or VM Snapshot in place when something goes wrong. At first Updating CentOS 8 to the latest is required, but this(…)