Category: Commands

How To Switch Between Shells In Linux

Today I will be showing you how to switch between the different shells on your system. This includes both temporarily entering a different shell (sub shell) as-well as permanently setting a different shell with the csch command.

Using CAT And Bash Redirection To Write To Files

In this post I will show you how to use bash redirection to write to a file using the cat command. This is a very simple trick that you can use for all sorts of things when it comes to bash scripting including setting up certain configuration files when more powerful options aren’t available or aren’t worth using. You can …

Useful Remote IPMI Commands For Managing Servers

In this post I will be showing you some of the useful IPMI commands which can be used to remotely interact with your servers for things such as power cycles, serial over lan, and more. This guide will assume that your server is already setup and capable of receiving IPMI commands.

Check Free Memory/RAM In Linux

In this quick post I will show you how to check your available or free memory/RAM, as-well as how to see what processes are taking up what percentage (top/htop). There are multiple ways to accomplish this so if I miss any please feel free to comment below so I can add them for any future visitors.

Install And Enable SAR (SYSSTAT) On Linux Servers

In this guide I will be showing you how to install and enable the SAR utility/command on Linux servers. The SAR command can be used to look at performance history, and is really useful for identifying when CPU spikes occurred and more. And example of one of the outputs that SAR is capable of delivering is below.