In this article, we will see how to install PostgreSQL 13 on Ubuntu 20.04.
What is PostgreSQL?
PostgreSQL is a powerful, open source object-relational database system with over 30 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance.
1. Create the file repository configuration:
sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
2. Import the repository signing key:
wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
3. Update the package lists:
sudo apt-get update
4. Install the latest version of PostgreSQL.
sudo apt-get -y install postgresq
If we want a specific version, use ‘postgresql-12’ or similar instead of ‘postgresql’.
5. Verify PostgreSQL installed or not.
apt --installed list | grep postgresql
PostgreSQL Post Installation Steps:
1. How to check PostgreSQL Server Status:
pg_ctlcluster 13 main status
or
systemctl status postgresql
2. Switch to postgres user
su - postgres
3. Connect to PostgreSQL server by using psql tool.
psql
Set the password for ‘postgres’ user
alter user postgres with password 'admin@123';
So, in this article we have shown how to install PostgreSQL 13 on Ubuntu 20.04. Then, performed post-installation steps of PostgreSQL 13.