Virtual machines are complex things, and when something goes wrong, it can be tough to tell where the problem lies. This is especially true if you’re dealing with Ubuntu freezing in VirtualBox. If this is happening to you, trying to figure out what the problem is can be an exercise in frustration. Here are some … Read more
The good thing about Linux is that you can easily view and manage everything, from the boot process to the installation of software packages. Here we discuss how you can use the lsof command in Linux to view open files and the processes using them. Knowing how to view this can help you understand how … Read more
The Linux terminal gives us the power and capacity to perform tons of tasks with a few keyboard strokes. For those who spend most of your time in the terminal, you can also send email directly from the Terminal. This guide takes you by the hand and shows you how you can use various methods … Read more
Linux doesn’t have a true counterpart to the Windows Safe Mode. While you can recover from a Linux crash in a few different ways, on most Linux distributions, the solution typically involves using a Live CD to access files on your hard drive or even using a chroot. Ubuntu has come up with a clever … Read more
Although there are many graphical and command-line data compression tools, zstd is the one that stands out. Short for Zstandard, zstd is a data compression tool developed by Facebook data engineers in 2015. It is so effective and easy to use, that zstd has become the go-to compression tool for many Linux users. This tutorial … Read more
Windows Subsystem for Linux, commonly known as WSL, is a feature that allows users to run supported Linux distributions in Windows. Unlike dual boot, WSL runs inside Windows like a typical Windows application. On WSL, forgotten passwords are handled differently than a normal Linux environment because it does not have a bootloader that you can … Read more
Linux has been around for 30 years, beginning back in 1991. Yes, it’s that old, and it did make history. If you are interested in the history of some of the major Linux distros, here it is in a nutshell – the history of various Linux distros, like Ubuntu, Fedora, REHL, Linux Mint, Slackware, etc. … Read more
SSH is a popular and effective protocol that allows you to log in and manage remote hosts from your local machine. This guide walks you through various commands you can use to check for active SSH connections on the remote host. Note: depending on the system configuration, some of the commands we are going to … Read more
Because Linux is a multi-user operating system, it has a mechanism that sets and manages file permissions to ensure that only authorized processes and users can access various directories and files. As you use Linux, you may encounter various instances where you can’t edit files or directories because of the “Permission denied” error, indicating you … Read more
A full transition from Windows to Linux may not be easy, that is why Ubuntu allows its users to test the live CD (or USB) first to see if they like it, then install it on their systems. This guide shows you how to create a bootable Ubuntu USB in Windows. Using this media, you … Read more