Category: Linux Basics

Fix invalid or corrupted package (PGP signature) in Arch Linux

How To Fix “invalid or corrupted package (PGP signature)” Error In Arch Linux

Today, I tried to upgrade my Arch Linux server using command ‘sudo pacman -Syu’, and I got the following error: […] :: File /var/cache/pacman/pkg/libpsl-0.16.1-1-x86_64.pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)). Do you want...

instant coding answers

How To Get Instant Coding Answers Via Commandline In Linux

Are you a programmer? I’ve got a good news for you. You can now get instant coding answers via commandline using ‘howdoi’ utility in Unix-like operating systems. You don’t have to google or refer any other...

Starting full system upgrade… there is nothing to do

How To Solve “Starting full system upgrade… there is nothing to do” Issue In Arch Linux

I recently noticed that my Arch Linux doesn’t update/upgrade to latest version. I thought there wasn’t any new updates yet. I visited Arch Linux website and noticed that there are plenty of updates are already available....

Display CPU Usage From Commandline

How To Display CPU Usage From Commandline

This tutorial describes how to display CPU usage from commandline using mpstat utility. Most of us use top command to show the CPU usage and the running processes. Just like top command, mpstat also displays the...