I have a Ubuntu 18.04 LTS virtual machine which I use for testing purposes. Whenever I start this VM and try update or install any application using APT package manager, I get the following error:...
As you may already know, Canonical, the Parent company of Ubuntu, releases new versions of Ubuntu desktop and server editions every six months (in April and October). And every two year, the Ubuntu edition released...
A while ago we have shown you how to install software in any offline Ubuntu system and any offline Arch Linux system. Today, we will see how to fully update and upgrade offline Debian-based systems....
Docker networking is basically used to establish communication between the docker containers and the outside world via host machine or you can say it is a communication passage through which all the isolated containers communicate...
The other day I was testing alias and unalias commands on my Ubuntu 18.04 desktop. I wanted to refer all available arguments, flags and options of the alias command, so I opened the man page....
Over the years I have used many Terminal emulators including Deepin Terminal, Gnome Terminal, LXTerminal, and Mate Terminal etc. I like Deepin Terminal the most among all others. Today, I decided to try yet another...
What is Soft Link And Hard Link In Linux? A symbolic or soft link is an actual link to the original file, whereas a hard link is a mirror copy of the original file. If you...
The gsettings is a commandline interface to GSettings which allows us to get, set or monitor an individual key for changes on GNOME desktops. We already looked at how to disable Touchpad when an external...
There are many tools available to create bootable USB drive on Linux. We have already reviewed a few such tools, namely Etcher, Bootiso, and MultiCD. If you don’t want to use these third-party tools, there...
This guide explains a few different ways to find which service is listening on a particular port in Linux. Most of you know the default port of popular services or processes. For example, the default...
