Summary: in this tutorial, we will introduce you to PostgreSQL roles concept and show you how to create user roles and group roles. PostgreSQL uses …

Q. How do I create a user account called tom and grant permission for database called pio? A. You need to use following commands. => …

Very similar to the CentOS6 / RHEL setup, I pulled the following from the doc here. First, add the Dell repo that provides the srvadmin …

Walkthrough on what Static Routes are and how to add them on Red Hat based Linux Distributions Adding static routes in Linux can be troublesome, …

Everything went fine until at some point during installation I received the following message: “Disk contains BIOS metadata, but is not part of any recognized …

We always need to check the speed of the Internet connection at home and office. What we do for this? Go to websites like Speedtest.net …

There is a nice utility to monitor hard drive temperature. Most modern x86 computer hard disk comes with S.M.A.R.T (Self-Monitoring, Analysis, and Reporting Technology). It …

Q. How do I read CPU core temperature data from a shell prompt under Linux operating system server ? How do I monitor my cpu …

The following guide will walk you through on setting up USB Serial Console Cable on a Linux via command line. First of all, make sure …

Description: to connect your computer to a Cisco device via its console port, you usually need a RJ45 rolled cable. You can use a RJ-45 …