The objective of this tutorial is to show the reader a quick-start method of testing a Webcam on Ubuntu 22.04 Jammy Jellyfish. You can usually plug in your webcam and have instant access to it. If you have a built-in camera, that should also work without any extra configuration.
Depending on your server room conditions it may be important to be informed about the hard drive temperatures inside of your servers. System administrators may use Bash and cron to write a simple script that can alert them about sudden temperature change. Various command line tools such as
hddtemp can check your HDD temperature and be used inside of a Bash script.
The partition table of a hard disk holds all the information about where each partition begins and ends. If the partition table gets deleted or becomes corrupt in some way, most likely your operating system will not be able to boot or you will face other hard disk issues. But there is good news: if your partition table is lost, it is possible to recover it using software such as testdisk.
Computer memory is allocated to processes as pages. Usually these pages are rather small, meaning that a process consuming a lot of memory will also be consuming a lot of pages. Searching through a multitude of pages can result in system slow downs, which is why some servers can benefit from enabling huge pages.
In this tutorial, we go through the steps to format a Solid State Drive (SSD) on a Linux system. This can be done via GUI or command line, and we will cover the process for both. The guide will be applicable regardless of what Linux distribution you’ve decided to use, especially the command line method.
The purpose of this tutorial is to change the hardware clock in Linux. You may have wondered how your Linux system always has the correct date and time when you start up your computer, even if it does not have internet access. How is the computer keeping track of time even when it is powered off?