How To Install mysql-mmm on Rocky Linux 8

In this tutorial we learn how to install mysql-mmm on Rocky Linux 8. mysql-mmm is Multi-Master Replication Manager for MySQL

Introduction

In this tutorial we learn how to install mysql-mmm on Rocky Linux 8.

What is `mysql-mmm`

MMM (MySQL Master-Master Replication Manager) is a set of flexible scripts to perform monitoring/failover and management of MySQL Master-Master replication configurations (with only one node writable at any time). The toolset also has the ability to read balance standard master/slave configurations with any number of slaves, so you can use it to move virtual IP addresses around a group of servers depending on whether they are behind in replication. In addition to that, it also has scripts for data backups, resynchronization between nodes etc.

We can use yum or dnf to install mysql-mmm on Rocky Linux 8. In this tutorial we discuss both methods but you only need to choose one of method to install mysql-mmm.

Install mysql-mmm on Rocky Linux 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

After updating yum database, We can install mysql-mmm using dnf by running the following command:

sudo dnf -y install mysql-mmm

Install mysql-mmm on Rocky Linux 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

After updating yum database, We can install mysql-mmm using yum by running the following command:

sudo yum -y install mysql-mmm

How To Uninstall mysql-mmm on Rocky Linux 8

To uninstall only the mysql-mmm package we can use the following command:

sudo dnf remove mysql-mmm

mysql-mmm Package Contents on Rocky Linux 8

/etc/logrotate.d/mysql-mmm
/etc/mysql-mmm
/etc/mysql-mmm/mmm_common.conf
/usr/share/doc/mysql-mmm
/usr/share/doc/mysql-mmm/COPYING
/usr/share/doc/mysql-mmm/README
/usr/share/doc/mysql-mmm/VERSION
/usr/share/doc/mysql-mmm/mysql-mmm-2.2.1.pdf
/usr/share/perl5/vendor_perl/MMM/Common
/usr/share/perl5/vendor_perl/MMM/Common/Angel.pm
/usr/share/perl5/vendor_perl/MMM/Common/Config.pm
/usr/share/perl5/vendor_perl/MMM/Common/Log.pm
/usr/share/perl5/vendor_perl/MMM/Common/PidFile.pm
/usr/share/perl5/vendor_perl/MMM/Common/Role.pm
/usr/share/perl5/vendor_perl/MMM/Common/Socket.pm
/usr/share/perl5/vendor_perl/MMM/Common/Uptime.pm
/var/lib/mysql-mmm
/var/log/mysql-mmm

References

mysql-mmm website

Summary

In this tutorial we learn how to install mysql-mmm on Rocky Linux 8 using yum and dnf.