How to Install Signal Desktop on Linux
Signal is the privacy-focused smartphone messaging app everyone seems to be using. You can also use Signal on a Windows PC, Mac—or Linux computer. It’s easy to install and register it to your Signal account….
How to Open an MBOX File (Using Mozilla Thunderbird)
An MBOX file contains an archive of emails. When you download your Gmail archive from Google Takeout, for example, you’ll get an MBOX file containing all your emails. Here’s how to view its contents.
How to Use DB Browser for SQLite on Linux
DB Browser for SQLite lets you view and edit SQLite databases on Linux. You can design, create, and edit these database files, and peek inside the inner workings of other applications. Here’s how to use this SQLite GUI….
How to Manage Linux Servers with the Cockpit Web Interface
You can easily monitor and manage multiple Linux computers with Cockpit, a browser-based administration and dashboard tool. It’s self-contained, simple to set up, and easy to use. We’ll show you how to get started….
How to Kill Zombie Processes on Linux
Programs that are poorly written or performing badly can leave zombie processes lurking inside your Linux computer. Find out how zombies are created, and how you can finally lay them to rest.
How to Recover Deleted Files on Linux with testdisk
Have you ever deleted a file and instantly regretted it? You need it back, and fast! But what if the file is so new, it hasn’t yet been backed up? Fortunately, there’s something you can do about it.
How to Find and Delete Broken Symlinks on Linux
The symbolic links on Linux are a fantastic feature, but they can become broken and left pointing at nothing. Here’s how to locate broken symbolic links, review them, and remove them from your system if you need to….
How to Force Users to Change Their Passwords on Linux
Passwords are the keystone to account security. We’ll show you how to reset passwords, set password expiration periods, and enforce password changes on your Linux network.
What’s New in Ubuntu 20.10 ‘Groovy Gorilla’
Ubuntu 20.10 “Groovy Gorilla” is here! Released October 22, 2020, the Gorilla is all about minor tweaks, rather than groundbreaking new features. As an interim release, it also doesn’t have long-term support. So, is it worth…
How to Use the seq Command on Linux
The Linux seq command generates lists of numbers in the blink of an eye. But how can this functionality be put to practical use? We’ll show you how seq might come in handy for you.
How to Install Linux
Want to install Linux? It’s an easier process than you might think! You can even try Linux on your PC before you install it. If you don’t like it, just reboot and you’ll be back to Windows. Here’s how to get started with Linu…
How to Customize the Bash Shell With shopt
If you fine-tune the behavior of your Bash shell with shopt, you can control over 50 settings. We’ll show you how to tailor your Linux system just the way you like it.
How to Check the Linux Kernel and Operating System Version
Knowing your Linux distribution and kernel versions allows you to make important decisions about security updates. We’ll show you how to find these, no matter which distribution you’re using.
Transform Your Wireshark Workflow with Brim on Linux
Wireshark is the de facto standard for analyzing network traffic. Unfortunately, it does become increasingly laggy as the packet capture grows. Brim solves this problem so well, it’ll change your Wireshark workflow….
How to Run a Linux Program at Startup with systemd
Need to launch a Linux program at boot? The systemd software provides a way to do it on any Linux distro with systemd—which is most of them these days, including Ubuntu. We’ll walk you through the process of creating an in…
How to Manage Startup Programs on Ubuntu Linux
Many applications automatically set themselves to start when you sign into your Linux desktop. You might want to add your own favorite programs to the startup process, too. Here’s how to control what Ubuntu starts when you si…
How to Launch a Terminal Window on Ubuntu Linux
If you’re using Ubuntu Linux, you’ll often see articles recommend you run commands. To do this, you need to type these commands into a Terminal window. Here are several ways to open one—including a quick keyboard shortcut…
Remember BBSes? Here’s How You Can Visit One Today
These days, social media gets all the attention, but the Bulletin Board System (BBS), a relic from a kinder, gentler time in computer communications, persists. Each BBS is its own retro-flavored community with messages, text-…
How to Encrypt Files with gocryptfs on Linux
Do you want to encrypt important files, but not your Linux system’s entire hard drive? If so, we recommend gocryptfs. You’ll get a directory that, essentially, encrypts and decrypts everything you store….
How to Use a Raspberry Pi as a Proxy Server (with Privoxy)
A Raspberry Pi proxy server allows you to control the websites people can visit. It can also remove trackers and other unwanted junk from those web pages. Follow these simple steps to set it up.
How to Use the Hugo Static Site Generator on Linux
Static websites are easy to create and blazingly fast to use. If you learn to use Hugo, you can generate theme-based static websites on Linux. Creating websites is fun again!
How to Display man Pages in Color on Linux
If you want color highlighting in your man pages similar to the syntax highlighting in an editor, there are two simple ways you can achieve it. We’ll show you both!
How to Create a man Page on Linux
Want your new Linux program to look professional? Give it a man page. We’ll show you the easiest, and fastest, way to do it.
How to Do OCR from the Linux Command Line Using Tesseract
You can extract text from images on the Linux command line using the Tesseract OCR engine. It’s fast, accurate, and works in about 100 languages. Here’s how to use it.
How to Use the fd Command on Linux
On Linux, fd is an easier alternative to the find command. It has a simplified syntax, uses sensible defaults, and has built-in common-sense behavior. Let’s take it through its paces.
