How To Install pgpool2 on Debian 12
Introduction
In this tutorial we learn how to install pgpool2
on Debian 12.
What is pgpool2
pgpool2 is:
pgpool-II is a middleware that works between PostgreSQL servers and a PostgreSQL database client. It provides the following features:
- Connection Pooling
- Replication
- Load Balance
- Limiting Exceeding Connections
- Parallel Query
pgpool-II talks PostgreSQL’s backend and frontend protocol, and relays a connection between them. Therefore, a database application (frontend) thinks that pgpool-II is the actual PostgreSQL server, and the server (backend) sees pgpool-II as one of its clients. Because pgpool-II is transparent to both the server and the client, an existing database application can be used with pgpool-II almost without a change to its sources.
This is version 3 of pgpool-II, the second generation of pgpool.
There are three methods to install pgpool2
on Debian 12. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install pgpool2 Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install pgpool2
using apt-get
by running the following command:
sudo apt-get -y install pgpool2
Install pgpool2 Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install pgpool2
using apt
by running the following command:
sudo apt -y install pgpool2
Install pgpool2 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 Debian. Update apt database with aptitude
using the following command.
sudo aptitude update
After updating apt database, We can install pgpool2
using aptitude
by running the following command:
sudo aptitude -y install pgpool2
How To Uninstall pgpool2 on Debian 12
To uninstall only the pgpool2
package we can use the following command:
sudo apt-get remove pgpool2
Uninstall pgpool2 And Its Dependencies
To uninstall pgpool2
and its dependencies that are no longer needed by Debian 12, we can use the command below:
sudo apt-get -y autoremove pgpool2
Remove pgpool2 Configurations and Data
To remove pgpool2
configuration and data from Debian 12 we can use the following command:
sudo apt-get -y purge pgpool2
Remove pgpool2 configuration, data, and all of its dependencies
We can use the following command to remove pgpool2
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge pgpool2
Dependencies
pgpool2 have the following dependencies:
References
Summary
In this tutorial we learn how to install pgpool2
package on Debian 12 using different package management tools: apt
, apt-get
and aptitude
.