Linux

The Windows Subsystem for Linux Now Works With More Apps

The Windows Subsystem for Linux is an optional feature for running Linux applications on Windows PCs, thanks to a lightweight virtual machine. It will soon work with even more Linux software, thanks to newly-added systemd sup…

Corbin Davenport 1d ago

What’s the Difference Between .bashrc and .profile on Linux?

Logging onto a Linux machine running Bash causes certain files to be read. They configure your shell environment. But which files are read, and when, can be confusing. Here’s what really happens.

Dave McKay 4d ago

How to Fix the Linux Boots Into the BIOS Error

GRUB updates have been known to result in Linux computers booting into the BIOS or UEFI settings. The fix for this takes advantage of a useful system recovery trick you really ought to know about.

Dave McKay 5d ago

How to Use AppImages on Linux

AppImages let Linux developers wrap their applications into a single file that installs on any Linux distribution. That simplifies things tremendously. Here’s how to use them, and integrate them into your desktop….

Dave McKay 6d ago

How to Make and Combine PDF Files on the Linux Command Line

PDF files were designed to promote sharing. Everyone can open them—in their web browser if they have nothing else. Linux lets you manipulate, merge, and split PDF files on the command line.

Dave McKay Sep 19th

How to Tell If a Bash String Contains a Substring on Linux

Sometimes in Linux scripts, you want to know if a string of text contains a specific, smaller string. There are many ways to do this. We show you some simple, reliable techniques.

Dave McKay Sep 16th

How to Parse CSV Data in Bash

Comma Separated Values (CSV) files are one of the most common formats for exported data. On Linux, we can read CSV files using Bash commands. But it can get very complicated, very quickly. We’ll lend a hand….

Dave McKay Sep 12th

How to Run a Local Script on a Remote Linux Server

Scripting repetitive tasks improves the efficiency of system administration. That’s great for local machines, but what if you oversee remote servers? Can you run a local script on a remote computer? Yes!…

Dave McKay Sep 8th

How to Trap Errors in Bash Scripts on Linux

By default, a Bash script on Linux will report an error but keep running. We show you how to handle errors yourself so that you can decide what needs to happen next.

Dave McKay Aug 26th

How to Calculate Subnet Masks on Linux With ipcalc

Subnetting a large network improves security, increases performance, and organizes your network in a logical way. But some of the calculations are tough. The Linux ipcalc command makes the planning stage easy….

Dave McKay Aug 25th

How to List All Users In a Group on Linux

On Linux, files have three sets of permissions. One set is for the file’s group. Before you allocate a file to a group, you may want to check who the group members are.

Dave McKay Aug 24th

How to Review sudo Command Usage on Linux

The sudo command gives a user superuser or root powers. No doubt you gave them the “with great power comes great responsibility” speech. Here’s how to check if they listened or not.

Dave McKay Aug 23rd

How to Install Arch Linux From a GUI

Although Arch Linux is great, its installation is a show-stopper for many people. But now there’s a straightforward GUI-based installer for Arch. And you already know how to use it.

Dave McKay Aug 22nd

How to Use eval in Linux Bash Scripts

Of all the Bash commands, poor old eval probably has the worst reputation. Justified, or just bad press? We discuss the use and dangers of this least-loved of Linux commands.

Dave McKay Aug 19th

How to Compare Binary Files on Linux

How can you check if two Linux binaries are the same? If they’re executable files, any differences might mean unwanted or malicious behavior. Here’s the easiest way to check if they differ.

Dave McKay Aug 17th

How to Back Up and Restore Your GPG Keys on Linux

Privacy is an increasingly hot topic. On Linux, the gpg command lets users encrypt files using public-key cryptography, in which case losing your encryption keys would be catastrophic. Here’s how to back them up….

Dave McKay Aug 15th

How to Check a Linux Laptop’s Battery From the Command Line

Laptop computers let you work where ever you want. Well, just so long as there is life in your laptop’s battery. Here’s how to check your battery on the Linux command line.

Dave McKay Aug 12th

9 Examples of for Loops in Linux Bash Scripts

The versatile Bash for loop does much more than loop around a set number of times. We describe its many variants so you can use them successfully in your own Linux scripts.

Dave McKay Aug 11th

What’s New in GNOME 43?

GNOME 43 is scheduled to arrive on September 21, 2022. Here’s what’s new in one of the most popular Linux desktop environments. We played with the beta when it launched in August 2022, and the final release will work similarl…

Dave McKay Aug 11th

How to Check If a File Exists in Linux Bash Scripts

If a Linux Bash script relies on certain files or directories being present, it can’t just assume they do. It needs to check that they’re definitely present. Here’s how to do that.

Dave McKay Aug 10th

How to Type Less and Work Faster in the Linux Terminal

Using Linux means—sooner or later—using the command line. But typing commands in the terminal window can be slow and repetitive. These keyboard tips will turbo-charge your terminal window experience….

Dave McKay Aug 9th

How to Use Linux Signals in Bash Scripts

The Linux kernel sends signals to processes about events they need to react to. Well-behaved scripts handle signals elegantly and robustly and can clean up behind themselves even if you hit Ctrl+C. Here’s how….

Dave McKay Aug 4th

What’s New in Linux Mint 21 “Vanessa”

Linux Mint 21, codenamed “Vanessa,” was released as a major update for Mint users on July 31, 2022. Here’s a rundown of what’s new in this version—the changes, improvements, and new features.

Ali Arslan Jul 29th

What Is umask in Linux, and How Do You Use It?

In Linux, all directories and files have access permissions. You can use chmod to set your preferred access rights for different users. But what decides their default permissions? Let’s talk about umask….

Dave McKay Jul 28th

It’s Time to Stop Dual-Booting Linux and Windows

Dual-booting is one way to install multiple operating systems on the same computer. Unfortunately, Windows is making the practice more difficult than ever.

Corbin Davenport Jul 27th

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