David Cao

David Cao

David is a Cloud & DevOps Enthusiast. He has years of experience as a Linux engineer. He had working experience in AMD, EMC. He likes Linux, Python, bash, and more. He is a technical blogger and a Software Engineer. He enjoys sharing his learning and contributing to open-source.

4 Ways To Create a User in PostgreSQL

Managing database access requires a firm understanding of how PostgreSQL identifies who can connect and what they can do. Creating a user in PostgreSQL—technically a “role” with login privileges—is the first step in securing your data cluster and organizing team…

How to Set Up RHEL AI Command-Line Assistant

If you spend a lot of time in the terminal on Red Hat Enterprise Linux, you know how powerful the command line can be. But remembering complex commands, options, and syntax can slow you down. The RHEL AI Command-Line Assistant…