LINUX HOWTO

You can find some interesting articles & guides on Linux based softwares here.

2 Ways to Limit CPU Usage of a Process in Linux

Limit CPU Usage Process Linux

While administering your Linux system you need to limit the CPU usage of a process because it can consume more CPU usage and affects the performance of the whole system. This tutorial I will show how you can control CPU time [...]

Alain Francois 12:05 am

How to Install and Use Pacaur on Arch Linux

Install Use Pacaur archlinux

In this guide, we're going to look at the installation and usage of Pacaur on Arch Linux. Pacaur is an AUR helper which aims at minimizing user prompts and interactions. It works with both official Arch repositories and AUR.  If [...]

Josphat Mutai 12:05 am

How to Show Installed Package Size on Ubuntu/Debian

show installed package size ubuntu

In this guide, I'll take you through the steps to show installed package size on Ubuntu/Debian Linux systems. This can be important when doing space audit trying to find packages using occupying large space on your system. The Ubuntu / [...]

Josphat Mutai 12:05 am

How to List Installed Packages by Size on CentOS/Fedora/Arch Linux

list size installed packages

Sometimes, you may need to keep track of your system's hard drive space especially if it's a cloud instance that's hosted on Amazon EC2, Linode, Digital Ocean or on your physical server.  You may be tempted to think that it's only [...]

Jamie Arthur 12:05 am

How to Remove Orphaned Packages on Ubuntu

remove orphaned packages

On Linux systems, the installation of some packages depends on others packages or libraries in order to work properly. For example, if you want to install a package named "mypackage", you need to its depended libraries. Later if you uninstall "mypackage", [...]

Alain Francois 12:05 am

How to Remind Unplug a Charging Laptop on Arch Linux

remind unplug charger linux

You are always worried about over-charging your laptop when too busy on projects that you can't keep checking battery percentage?. It is always recommended to keep battery power between 40% and 80% to prolong its lifespan. There is no sure solution available to help [...]

Josphat Mutai 12:34 am

How to Exclude Specific Packages from Yum Update

yum exclude package

In this article, we'll show you how to exclude specific packages from updating using Yum package manager. Periodically, you may want to update your CentOS or RHEL system but leave out certain packages especially if the updates are likely to [...]

Jamie Arthur 12:05 am

Termshot - Take Image Screenshot of Command Line Output

termshot command image

In this article, I'll show you how to turn a command line output in Linux into an image using Termshot. Termshot is Linux tool which turns a cli command's output into a screenshot including colors and interactive text. This is of [...]

Josphat Mutai 12:05 am

How to List Installed Packages on Fedora

list installed package fedora

Occasionally, you may want to check the packages installed on your system. In this article, I will demonstrate how list installed packages on Fedora. Yum package manager was used on Fedora 22 and its previous version, now (Fedora 27) we [...]

Jamie Arthur 12:05 am

How to Setup ConkyMatic on Arch Linux

ConkyMatic Arch Linux

In this article, we're going to look at how to get ConkyMatic up and running Arch Linux. ConkyMatic is a Linux tool written in Bash to be used as an automatic color scheme changer for conky. It changes the color scheme [...]

Josphat Mutai 12:05 am

How to Reset Linux Password to Expire after Number of Days

linux Reset password N days

Best System administration practice requires a periodic change of passwords for any operating system, and Linux is no exception. This is for security reasons. However, most users do not take heed of this and continue to use the same passwords [...]

Jamie Arthur 12:05 am

How to Exclude Specific Package from apt-get Upgrade

Exclude Specific Package apt get

When working on some projects, sometimes you need the stability of your environment. Updating a package can cause the entire project to fail. Sometimes, we accidentally upgrade those packages which and this creates a serious issue on the server. This is why it [...]

Alain Francois 12:25 am

5 Tools to Enable Remote Desktop Access on RHEL/CentOS 7

remote desktop access centos

This article I will show you, tools which enabled you to access remote Desktop on machines running Centos/RHEL. All these apps works in client-server mode. So you need to run a server-side app on your remote machine and after that, [...]

Roman Gainullin 12:05 am

How to Install Specific Version of Package on CentOS & RHEL 7

yum install specific packages

Sometimes, you may need to have a certain version of a package installed on your system to conform to a certain requirement. In this article, we are going to see how we can install specific versions of packages using yum package [...]

Jamie Arthur 12:05 am