[Relational database management systems](https://www.digitalocean.com/community/tutorials/sqlite-vs-mysql-vs-postgresql-a-comparison-of-relational-database-management-systems) are a key component of many web sites and applications, providing a structured way to store, organize, and access information. [PostgreSQL](https://www.postgresql.org/), or Postgres, is a popular [SQL](https://en.wikipedia.org/wiki/SQL) based relational database management system. Choose your operating system below to learn how to install Postgres on your server.
How To Install and Use PostgreSQL on CentOS 8
How To Install and Use PostgreSQL on CentOS 7
How To Install and Use PostgreSQL on CentOS 6
How To Install and Use PostgreSQL 9.4 on Debian 8
How To Install and Use PostgreSQL on Rocky Linux 9
How To Install and Use PostgreSQL on Rocky Linux 8
How To Install and Use PostgreSQL on Ubuntu 22.04
How To Install and Use PostgreSQL on Ubuntu 20.04
How To Install and Use PostgreSQL on Ubuntu 18.04
How To Install and Use PostgreSQL on Ubuntu 16.04
How To Install and Use PostgreSQL on Ubuntu 14.04
How To Install and Use PostgreSQL on Ubuntu 12.04