The Linux tmux command is a terminal multiplexer, like screen. Its advocates are many and vocal, so we decided to compare the two. Is tmux really better, or is it just a case of preferring what you know?…
Google’s video website wouldn’t be complete without all sorts of useful buttons and hidden commands that aren’t immediately obvious. Use this hotkey cheat sheet to quickly navigate YouTube and gain better control over your vi…
The Linux top command is one of the stalwarts of Unix-like operating systems. Its utilitarian display is packed with useful information about your system’s running processes and resource usage. But, did you know it also supp…
Bash isn’t the only Linux shell. It’s easy to try out other shells, like Zsh, which is very popular. When you’ve found one you like, use the chsh command to make it your default shell. We’ll show you how….
Ubuntu 20.04 Focal Fossa is a fantastic release that’s been widely praised. However, the decision to change the Software Center to install snap-based applications is controversial. We’ll explain what that means for you….
There’s more than one type of environment variable on Linux. Learn how to see them, create them for local and remote logins, and make them survive reboots.
LUbuntu 20.04 LTS “Focal Fossa” ships with a built-in dark theme. You can activate the dark version of Ubuntu’s standard Yaru theme and get a dark GNOME desktop in just a few clicks. Here’s how.
Canonical released Ubuntu 20.04 LTS on April 23, 2020. This Long Term Support release includes a shiny new desktop theme and dark mode. Under the hood, you’ll find an upgraded Linux kernel and a new way of installing applicat…
It might sound crazy, but the Linux sed command is a text editor without an interface. You can use it from the command line to manipulate text in files and streams. We’ll show you how to harness its power….
Some Linux commands are so familiar, we don’t even notice we’re using them. The cd command for changing directories is one of these. There are some tricks that can help you become more efficient with cd—or you can ditch it…
Microsoft is testing a “Linux” option to File Explorer’s sidebar. If you have the Windows Subsystem for Linux installed, you can easily access all your Linux files in a few clicks. This change appears in Windows 10 Insider bu…
With the bmon Linux application, you can see the bandwidth usage on your network connections. However, understanding the finer details requires some detective work, so we’ve done it for you!
There’s nothing quite like the connections you make when you play video games on the couch next to your friends. However, Steam’s Remote Play Together feature allows you to play local multiplayer games online, even if the gam…
The Linux dig command allows you to query DNS servers and perform DNS lookups. You can also find the domain an IP address leads back to. We’ll show you how!
Services like Dropbox make it easy for you to access your files on multiple devices. However, you might want more control over them. In less than 30 minutes, you can have your own cloud-syncing service up and running on a ser…
Everything you need to know about Linux is in its man pages. For example, you can search for a command to accomplish a task, even if you don’t know what it’s called. But how can you find the man pages? Here are some tricks….
With the Linux screen command, you can push running terminal applications to the background and pull them forward when you want to see them. It also supports split-screen displays and works over SSH connections, even after yo…
Wondering what those weird strings of symbols do on Linux? They give you command-line magic! We’ll teach you how to cast regular expression spells and level up your command-line skills.
When you install Linux software packages with snap, you can say goodbye to dependency hell and breaking other working applications. Snap packages were originally designed for Ubuntu, but they’re now available on a variety of …
There are plenty of ways you can get the lowdown on memory usage within your Linux system. In this roundup, we’ll cover the most commonly used command-line methods: free, vmstat, and top. We’ll also look at reading /proc/mem…
Many Linux folks have never heard of pushd and popd, but they’ve been around forever. They can also dramatically speed up the process of navigating directories on the command line. We’ll walk you through how to use them….
You can configure IP addresses, network interfaces, and routing rules on the fly with the Linux ip command. We’ll show you how you can use this modern replacement of the classic (and now deprecated) ifconfig….
When you type a command in a terminal window and press Enter, you kick off quite a lot of activity before your command is even executed.
You can use the Linux traceroute command to spot the slow leg of a network packet’s journey and troubleshoot sluggish network connections. We’ll show you how!
SUID, SGID, and Sticky Bits are powerful special permissions you can set for executables and directories on Linux. We’ll share the benefits—and potential pitfalls—of using them.
