Install PostgreSQL 16 on Ubuntu and Bind It Right
Install PostgreSQL 16 on Ubuntu from PGDG, bind listen_addresses to a private IP, and prove that port 5432 is closed to the public internet.
Databases8 min read
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40 practical Databases articles from Netbay Engineering — written for operators running Linux and Windows VPS in India.
40 articles in this topic
Install PostgreSQL 16 on Ubuntu from PGDG, bind listen_addresses to a private IP, and prove that port 5432 is closed to the public internet.
Pick SQLite on a VPS when one host owns the data, writes stay serializable, and you want a file you can copy instead of a cluster you must nurse.
Pin a MariaDB series on Ubuntu, bind it locally, create an app user, and finish a first-boot checklist before any application is allowed to connect.
Install Redis from Ubuntu or Debian packages, bind the daemon to localhost, and confirm nothing on the public interface can reach port 6379.