Category: Tips and Tricks

Force Users To Use Strong Passwords In Debian, Ubuntu

How To Force Users To Use Strong Passwords In Debian, Ubuntu

A strong password must be comprised of at least 14 characters, including at least one special character, one numerical character, one uppercase and lower case letter. More importantly, passwords shouldn’t be easily predictable and shouldn’t...

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...

Upgrade Linux Kernel

Ukuu – An Easy Way To Install And Upgrade Linux Kernel In Ubuntu-based Systems

Today, I have stumbled upon a simple, yet useful tool called “Ubuntu Kernel Upgrade Utility”, shortly Ukuu, that allows you to install and upgrade Linux kernel in Ubuntu-based systems. Ukuu is developed and maintained by...

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...

vnStat – Monitor Network Bandwidth in Linux and BSD

In this tutorial, we are going to see how to monitor Network bandwidth or traffic usage in Linux and BSD. VnStat is a console-based, free, open source, and light-weight Network Traffic monitor. Using this tool,...