How To Install postgresql-common on Ubuntu 18.04
Introduction
In this tutorial we learn how to install postgresql-common on Ubuntu 18.04.
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.
There are three methods to install postgresql-common 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 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 18.04
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 18.04, 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 18.04 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 18.04 using different package management tools: apt, apt-get and aptitude.
