You tried to run a Docker command without sudo or in other words, as a non root user. This has returned an error which is similar to the following: (more…)
Bluetooth correctly configured on your machine allows you to use a mouse, keyboard, headset or any other compatible accessory. In general, once you install some packages and perform some (more…)
In you are running Ubuntu on a Virtualbox and you would like to use some features such as folder sharing, mouse pointer integration and clipboard access(for copy and paste), you would (more…)
Ubuntu 18.04 was possibly the most compatible and powerful of all Ubuntu versions. There are however some sound problems with certain types of hardware or even configurations. (more…)
Sometimes when users try to install an application by executing the usual apt command on Ubuntu, they get the following error: (more…)
Is there a command to open the Ubuntu system settings window in Ubuntu 18.04 from the terminal ? To answer this, let’s first outline some ways to access the system settings : (more…)
As with all large data sets, filtering is necessary to analyze, inspect and diagnose the system. In this article, you will learn about journalctl’s advanced filtering options which could be very useful for system administrators. (more…)
Broken packages is a common problem in Ubuntu and other similar distros. Sometimes when you install a new application or update the system, you will encounter the error ‘Sub-process /usr/bin/dpkg returned an (more…)
It could happen, as it did to me, that when you open your Virtual box and start your Ubuntu virtual machine, you get the error below : (more…)
If you have been using a Linux distribution, you might have encountered filesystems errors somehow. Filesystems can be identified as a hierarchy of directories (or a directory tree) which determines the way files (more…)
