How To Install pg_ctlcluster on Debian 11

One-liner install command

For those in a hurry, here's a one-line installation command:

sudo apt-get update && sudo apt -y install postgresql-common

But if you are interested in the detailed steps with descriptions, the following information is for you.

What is pg_ctlcluster and what are the ways to install it?

Before beginning this tutorial, you will need access to a server or computer running Debian 11. This guide was written specifically with a server running Debian 11 in mind, although it should also work on older, supported versions of the operating system.

Also, make sure you are running a regular, non-root user with sudo privileges configured on your server. When you have an account available, log in as your non-root user to begin.

There are several ways to install pg_ctlcluster on Debian 11. You can use (links are clickable):

In the following sections, we will describe each method in detail. You can choose one of them or refer to the recommended one.

Install pg_ctlcluster using apt-get

First, update apt database with apt-get using the following command.

sudo apt-get update

After updating apt-get database, You can install pg_ctlcluster using apt by running the following command:

sudo apt -y install postgresql-common

Install pg_ctlcluster using apt

Because pg_ctlcluster is available in Debian 11’s default repositories, it is possible to install it from these repositories using the apt packaging system.

To begin, update apt database with apt using the following command.

sudo apt update

After updating apt database, You can install pg_ctlcluster using apt by running the following command:

sudo apt -y install postgresql-common

Install pg_ctlcluster 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 11. Update apt database with aptitude using the following command.

sudo aptitude update

After updating aptitude database, You can install pg_ctlcluster by running the following command:

sudo aptitude -y install postgresql-common

How to upgrade (update) a single package pg_ctlcluster using apt-get?

First, you will need to update packages index. Run update command as usual:

sudo apt-get update

Next, to upgrade only the pg_ctlcluster, e.g. single package, you should use the following format with the apt-get command/apt command:

sudo apt-get --only-upgrade install postgresql-common

Note that this command will not install any new packages! If you wish to install the package if it doesn't exist you may leave out --only-upgrade part.

sudo apt-get install postgresql-common

How To Uninstall pg_ctlcluster from Debian 11

To uninstall only the pg_ctlcluster package you can execute the following command:

sudo apt-get remove postgresql-common

Uninstall pg_ctlcluster and all its dependencies

To uninstall pg_ctlcluster and its dependencies that are no longer needed by Debian 11, you can use the command below:

sudo apt-get -y autoremove postgresql-common

Remove pg_ctlcluster with all configurations and data

To remove pg_ctlcluster configuration and data from your system you can run the following purge command:

sudo apt-get -y purge postgresql-common

Remove pg_ctlcluster completely (configurations, data and all of its dependencies)

And lastly, you can run the next command to remove absolutely everything related to pg_ctlcluster package, e.g.: configurations, data and all of its dependencies. Just use this command:

sudo apt-get -y autoremove --purge postgresql-common

Extra info and code examples

The postgresql-common package provides a structure under which multiple versions of PostgreSQL may be installed and/or multiple clusters maintained at one time. The commands provided are pg_conftool, pg_createcluster, pg_ctlcluster, pg_dropcluster, pg_lsclusters, pg_renamecluster, pg_upgradecluster, pg_virtualenv. PostgreSQL is a fully featured object-relational database management system. It supports a large part of the SQL standard and is designed to be extensible by users in many aspects. Its features include ACID transactions, foreign keys, views, sequences, subqueries, triggers, outer joins, multiversion concurrency control, and user-defined types and functions.

Conclusion

You now have a full guide on how to install pg_ctlcluster using apt, apt-get and aptitude tools. Also, we showed how to update as a single package and different ways to uninstall the pg_ctlcluster from Debian 11.

See also: