Category: Linux Commands

download a RPM package with all dependencies

How To Download A RPM Package With All Dependencies In CentOS

The other day I was trying to create a local repository with packages only we use often in CentOS 7. Of course, we can download any package using curl or wget commands. These commands however...

find and remove unused packages in Linux

How To Find And Remove Unused Packages In Linux

Running out of low disk space? You may need to check for unused packages (orphaned packages) filled in your hard drive. Orphaned (unused) packages are nothing but the packages which will be installed as dependencies/libraries...

prevent a package from being automatically installed, upgraded or removed in Ubuntu

How To Prevent A Package From Being Automatically Installed, Upgraded Or Removed In Ubuntu

In this brief tutorial, we will see how to prevent a package from being automatically installed, upgraded or removed. Some of you might wonder why would anyone want to do that. There could be many reasons. You...

Remove Old Kernels In Ubuntu

The Safest Way To Remove Old Kernels In Ubuntu

The Ubuntu Kernel team releases new Kernel updates, bug fixes, and security patches every month. If you are a long-time Ubuntu user, and regularly updating your Ubuntu system, then it might be accumulated with lot of...

Install Packer In Arch Linux

How To Install Packer In Arch Linux

Important Update: Please don’t use packer. It is out dated and discontinued. Use Yay AUR helper instead. https://www.ostechnix.com/yay-found-yet-another-reliable-aur-helper/ A while ago, we wrote an article about how to install Yaourt in Arch Linux. Yaourt is...

Check Installed Linux Kernels

How To Check Installed Linux Kernels

Ever wondered how many Linux Kernels you have installed in your Linux box? No? Well, this brief tutorial will teach you how to view or check installed Linux Kernels on different Linux operating systems. It’s...