If you are running Ubuntu Linux on a laptop, there are a few different ways that you can monitor the battery life of your system. Ubuntu makes this easy to do in the default GNOME desktop environment, but it is also possible to check the battery life from command line. In this tutorial, you will learn several methods to check the battery life on Ubuntu.
Hardware
How to label a partition or volume on Linux with e2label
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. The tool we can use for this task is the e2label command.
How to remap keys with xmodmap
Setting your keyboard layout should be one of the first things users do when installing or setting up their Linux system. Every system will come with a slew of preconfigured layouts for various languages or preferences. But what if you want to take it a step further and modify a layout to your liking?
hdparm acoustic management: Reduce hard drive’s noise level
Most of the non-SSD hard drives allow for a noise reduction by decreasing head movement speed while accessing data. This ability is called Automatic Acoustic Management or AAM. In this tutorial, you will see how to install the hdparm software package on all major Linux distros and use it to manipulate AAM values to reduce or increase head movement, thus directly affect hard drive’s noise level.
What is my processor architecture?
Knowing the architecture of your system’s processor is essential when picking an operating system to download and install. Certain editions of Linux and other operating systems are typically only made to work with a certain architecture, whether that be x86 (32 bit), x86-64 (64 bit), ARM (in the case of Raspberry Pi systems), etc. Furthermore, software that you are interested in running may only be designed to work with a particular architecture.
How to Burn ISO to DVD on Ubuntu 22.04 Desktop
If you have an ISO file, such as Linux installation media, it is possible to create a DVD media from the file. In this tutorial, you will learn how to burn an ISO image to DVD using Ubuntu 22.04 Jammy Jellyfish Linux desktop.
How to test webcam on Ubuntu 22.04 Jammy Jellyfish
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.
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.