How To Install postgresql-common on Ubuntu 20.04
Introduction
In this tutorial we learn how to install postgresql-common on Ubuntu 20.04.
What is postgresql-common
postgresql-common is:
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. Task: postgresql-server
Package: postgresql-common Architecture: all Version: 214 Multi-Arch: foreign Priority: optional Section: misc Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Debian PostgreSQL Maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 678 Depends: adduser, debconf (>= 0.5.00) | debconf-2.0, lsb-base (>= 3.0-3), perl (>= 5.14), postgresql-client-common (= 214), ssl-cert (>= 1.0.11), ucf Recommends: e2fsprogs, logrotate Suggests: libjson-perl Breaks: postgresql-9.1 (« 9.1.1-3~), postgresql-server-dev-all (« 204), systemd (« 204) Replaces: postgresql-server-dev-all (« 204) Filename: pool/main/p/postgresql-common/postgresql-common_214_all.deb Size: 169312 MD5sum: ae3ffeee4dc155139eb1894747293e04 SHA1: 9c8084166cac65f22857f69d645e62bca378196e SHA256: 80b22fdef602083bec826ae3514e984343daf41dfa23b9528489b643bdcda02c Description-en: PostgreSQL database-cluster manager 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. Task: postgresql-server
There are three methods to install postgresql-common 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 postgresql-common Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install postgresql-common using apt-get by running the following command:
sudo apt-get -y install postgresql-common
Install postgresql-common Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install postgresql-common using apt by running the following command:
sudo apt -y install postgresql-common
Install postgresql-common 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 postgresql-common using aptitude by running the following command:
sudo aptitude -y install postgresql-common
How To Uninstall postgresql-common on Ubuntu 20.04
To uninstall only the postgresql-common package we can use the following command:
sudo apt-get remove postgresql-common
Uninstall postgresql-common And Its Dependencies
To uninstall postgresql-common and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove postgresql-common
Remove postgresql-common Configurations and Data
To remove postgresql-common configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge postgresql-common
Remove postgresql-common configuration, data, and all of its dependencies
We can use the following command to remove postgresql-common configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge postgresql-common
References
Summary
In this tutorial we learn how to install postgresql-common package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.