How To Install mha4mysql-manager on Ubuntu 18.04
Introduction
In this tutorial we learn how to install mha4mysql-manager on Ubuntu 18.04.
What is mha4mysql-manager
mha4mysql-manager is:
MHA performs automating master failover and slave promotion with minimal downtime, usually within 10-30 seconds. MHA prevents replication consistency problems and saves on expenses of having to acquire additional servers.
All this with zero performance degradation, no complexity (easy-to-install) and requiring no change to existing deployments.
There are three methods to install mha4mysql-manager on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install mha4mysql-manager Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install mha4mysql-manager using apt-get by running the following command:
sudo apt-get -y install mha4mysql-manager
Install mha4mysql-manager Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install mha4mysql-manager using apt by running the following command:
sudo apt -y install mha4mysql-manager
Install mha4mysql-manager Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install mha4mysql-manager using aptitude by running the following command:
sudo aptitude -y install mha4mysql-manager
How To Uninstall mha4mysql-manager on Ubuntu 18.04
To uninstall only the mha4mysql-manager package we can use the following command:
sudo apt-get remove mha4mysql-manager
Uninstall mha4mysql-manager And Its Dependencies
To uninstall mha4mysql-manager and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove mha4mysql-manager
Remove mha4mysql-manager Configurations and Data
To remove mha4mysql-manager configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge mha4mysql-manager
Remove mha4mysql-manager configuration, data, and all of its dependencies
We can use the following command to remove mha4mysql-manager configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge mha4mysql-manager
References
Summary
In this tutorial we learn how to install mha4mysql-manager package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
