Linux

How to Let Linux Scripts Detect They’re Running in Virtual Machines

Virtual machines try really hard to convince their operating systems that they’re running on physical hardware. So can you tell from the Linux command line if the computer is physical or virtual?

Dave McKay 2d ago

How to List Users in Linux

Linux is a multiuser operating system, so creating numerous user accounts is easy. Over time, it’s easy to lose track of which accounts are required. Listing user accounts helps you manage them.

Dave McKay May 18th

Nvidia Releases Open-Source Linux GPU Drivers, With a Catch

Gaming on Linux has always been a bit more complicated than on Windows (or game consoles), and one reason for that is Nvidia’s poor driver support on Linux. That’s now changing, though it’s unclear how much the situation will…

Corbin Davenport May 12th

How to Install Linux in VirtualBox

If you want to try out a Linux distribution, you may want to do it in a virtual machine (VM) before dual-booting or completely overwriting your system. Choose a distribution and let’s run it in a VM using VirtualBox….

Mohammed Abubakar May 11th

How to Set the Default Gateway in Linux

Access to the internet—or any other network—is governed by the default gateway. We explain what a default gateway is, and how to set and change it on your Linux computer.

Dave McKay May 10th

KDE Connect Arrives on iPhone and iPad For Linux Fans

KDE Connect has been around for years as a companion Android app for connecting to Linux PCs, similar to Microsoft Link to Windows (formerly “Your Phone”). Now there’s finally a KDE Connect app for iPhone and iPad….

Corbin Davenport May 9th

How to Zip and Unzip Files With Gzip on Linux

There are many file compression utilities, but the one you’re guaranteed to find on every Linux distribution is gzip. If you only learn to use one compression tool, it should be gzip .

Dave McKay May 2nd

How to Use the sar Command on Linux

The sar command lets you see performance statistics for different elements of your Linux computer, for both real-time and historical data. We show you how to use this great resource.

Dave McKay Apr 28th

How to Use the pmap Command on Linux

Finding out how much RAM a Linux process uses isn’t a simple matter—especially when shared memory needs to be considered. Thankfully, the pmap command helps you make sense of it all.

Dave McKay Apr 25th

How to Use the chattr Command on Linux

Along with the usual read, write, and execute file permissions, Linux files have another set of attributes that control other characteristics of the file. Here’s how to see them and change them.

Dave McKay Apr 22nd

How to Read Data From a Socket in Bash on Linux

The Linux command line lets you retrieve data by either listening on a socket or connecting to a socket. The data can be captured in a text file. We show you how.

Dave McKay Apr 20th

10 Fun Games to Play in the Linux Terminal

If you want to learn to use the Linux terminal, a great way to start is by installing and playing some games. These games aren’t just fun—they also require no compatibility layer or expensive graphics cards….

Mohammed Abubakar Apr 19th

apt vs. apt-get: What’s the Difference on Linux?

Why do Debian-based Linux distributions have apt as well as apt-get? Did apt replace apt-get or do they have different purposes? We explain the relationship between these two commands.

Dave McKay Apr 18th

What’s New in Fedora 36

There’s no time to waste in the world of Linux distributions. Fedora 35 dropped in November 2021, and Fedora 36 was released on May 10, 2022. Here’s what’s new in Red Hat’s open-source Linux distribution….

Ian Paul Apr 15th

What’s New in Ubuntu 22.04 LTS ‘Jammy Jellyfish’

Ubuntu 22.04 LTS “Jammy Jellyfish” was released on April 21, 2022. This latest release of the ever-popular Ubuntu Linux distribution will have long-term support until 2027. Is the Jammy Jellyfish worth the upgrade? Let’s fin…

Dave McKay Apr 12th

How to Validate the Syntax of a Linux Bash Script Before Running It

Bugs and typos in Linux Bash scripts can do dire things when the script is run. Here are some ways to check the syntax of your scripts before you even run them.

Dave McKay Apr 6th

What Is Fedora Linux?

Did you hear of someone using “Fedora” on their computer and aren’t sure what they’re talking about? Let’s look at what is Fedora and a brief history of this operating system named after a stylish hat….

Mohammed Abubakar Apr 1st

Debian vs. Ubuntu Linux: Which Distro Should You Choose?

If you’re looking for a Linux distribution, you’ve likely seen recommendations for both Debian or Ubuntu. Their similarities, and the fact that Ubuntu is technically based on Debian, blur the lines between them. Let’s explor…

Jordan Gloor Mar 31st

How To Use set and pipefail in Bash Scripts on Linux

The Linux set and pipefail commands dictate what happens when a failure occurs in a Bash script. There’s more to think about than should it stop or should it carry on.

Dave McKay Mar 17th

Are There Any Linux Phones?

Leaving “big tech” ecosystems on the desktop is fairly easy with a Linux laptop or a manual Linux install. Smartphones, though, seem strictly the domain of Apple and Google. Do any Linux-based smartphones exist? Let’s take…

Jordan Gloor Mar 16th

How to Use the timedatectl Command on Linux

The Linux timedatectl command lets you set your time, date, and timezone for your system clock and your real-time clock. Spare a moment, and we’ll show you how it all works.

Dave McKay Mar 14th

5 Linux Alternatives for Windows PowerToys

One of Windows’ neatest features is PowerToys, Microsoft’s open-source add-on that lets you tweak your Windows desktop to your heart’s content. Being a Linux user, though, doesn’t mean you have to miss out….

Ian Paul Mar 11th

How to Use the Bash printf Command on Linux

The Bash printf command lets you write to a Linux terminal window with finer control and more formatting options than the echo command provides. Even printf ‘s odd quirks can be useful.

Dave McKay Mar 10th

New Dirty Pipe Linux Vulnerability Is the Worst in Years

All users need to watch out for a new high-severity vulnerability for Linux called Dirty Pipe. It lets malicious people execute code that can carry out all sorts of adversarial actions.

Dave LeClair Mar 8th

What’s New in GNOME 42, Available Now

GNOME 42 was released on March 23, 2022. Fedora 36 and Ubuntu 22.04 will include this release of the popular Linux desktop environment. We spin it up and see what’s new.

Dave McKay Mar 8th

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