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.
Hardware
How to get HDD temperature in Linux
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 inxi or hddtemp can check your HDD temperature and be used inside of a Bash script.
How to recover partition table in Linux
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.
How to enable hugepages on Linux
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.
How to test microphone on Ubuntu 22.04 Jammy Jellyfish
The objective of this tutorial is to show the reader a quick-start method of testing a microphone on Ubuntu 22.04 Jammy Jellyfish.
Graphics driver check on Ubuntu 22.04
This tutorial will show you how to check what graphics driver your Ubuntu 22.04 Jammy Jellyfish system is currently using and what graphics card model is part of your system’s hardware.
Linux kernel configuration
While we talked before about kernel compilation and configuration, we focused on the general idea. This time we want to dig deeper into the configuration part, giving you useful advice you will need when tailoring a kernel to perfectly match your hardware.
Linux hardware monitoring tools
Whether you’re a home user or a system/network administrator at a large site, monitoring your Linux system helps you in many ways – possibly more than you currently know.
Format ssd in Linux
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.
Change hardware clock in Linux
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?
How to label disk in Linux with blkid
The purpose of this tutorial is to show how to label a hard disk in Linux. Labeling hard drives under a Linux system gives a user a better way to organize all of the block system’s devices on their system.
How to check CPU instruction set
The purpose of this tutorial is to show how to check a CPU’s instruction set on a Linux system. The instruction set of a CPU is, in simple terms, the capabilities that it possesses. For example, if your CPU supports hardware virualization, then that is part of its instruction set.