How To Install repmgr on Ubuntu 20.04
Introduction
In this tutorial we learn how to install repmgr
on Ubuntu 20.04.
What is repmgr
repmgr is:
repmgr is an open-source tool suite for managing replication and failover in a cluster of PostgreSQL servers. It enhances PostgreSQL’s built-in hot-standby capabilities with tools to set up standby servers, monitor replication, and perform administrative tasks such as failover or manual switchover operations.
This is a metapackage that depends on the version specific packages.
There are three methods to install repmgr
on Ubuntu 20.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install repmgr Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install repmgr
using apt-get
by running the following command:
sudo apt-get -y install repmgr
Install repmgr Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install repmgr
using apt
by running the following command:
sudo apt -y install repmgr
Install repmgr 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 repmgr
using aptitude
by running the following command:
sudo aptitude -y install repmgr
How To Uninstall repmgr on Ubuntu 20.04
To uninstall only the repmgr
package we can use the following command:
sudo apt-get remove repmgr
Uninstall repmgr And Its Dependencies
To uninstall repmgr
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove repmgr
Remove repmgr Configurations and Data
To remove repmgr
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge repmgr
Remove repmgr configuration, data, and all of its dependencies
We can use the following command to remove repmgr
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge repmgr
References
Summary
In this tutorial we learn how to install repmgr
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.