Linux troubleshooting

This guide explains how to fix “Sub-process /usr/bin/dpkg returned an error code (1)” issue in Ubuntu and its derivatives like Linux Mint.

One of our reader faced this error while installing Katoolin3 – gpg: keyserver receive failed:…

I came across an interesting discussion thread on Twitter. It is about an Interview…

Today, I tried to SSH into my remote Ubuntu 20.04 LTS server and encountered…

This brief tutorial describes how to easily fix broken Ubuntu OS without losing data or without reinstalling it completely from scratch.

This brief guide explains how to fix libpulse dependency error and reinstall Pulseaudio in…

This brief tutorial explains how to fix “exec format error” when running scripts with run-parts command in Linux operating systems.

You probably have heard about Meltdown and Spectre vulnerabilities that affected many modern processors,…

I have different versions of Ubuntu VMs for testing purposes. As you may already…

This brief tutorial explains different ways to remove unnecessary configuration files on Debian-based operating systems.