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 [...]
How to Install and Use Pacaur on Arch Linux
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 [...]
How to Show Installed Package Size on Ubuntu/Debian
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 / [...]
How to List Installed Packages by Size on CentOS/Fedora/Arch Linux
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 [...]
How to Remove Orphaned Packages on Ubuntu
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", [...]
How to Remind Unplug a Charging Laptop on Arch 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 [...]
How to Exclude Specific Packages from Yum Update
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 [...]
Termshot - Take Image Screenshot of Command Line Output
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 [...]
How to List Installed Packages on 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 [...]
How to Setup ConkyMatic on 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 [...]
How to Reset Linux Password to Expire after Number of 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 [...]
How to Install NVIDIA Drivers using Debian Repository
Nvidia Corporation is an American technology company which specializes at designing graphics processing units (GPUs) for the gaming, cryptocurrency and a system on a chip unit (SoCs) for the mobile computing and automotive market. For those in possession of PC [...]
How to Exclude Specific Package from apt-get Upgrade
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 [...]
5 Tools to Enable Remote Desktop Access on RHEL/CentOS 7
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, [...]