How to Use Brace Expansion in Linux’s Bash Shell
Brace expansion is a useful technique to generate lists of strings that can be used in scripts and aliases and on the Linux command line. Save time and avoid mistakes by typing less.
How to Install the Tor Browser on a Chromebook
The Tor Project says that you can’t run the full version of the anonymizing Tor browser on a Chromebook. But, by using your Chromebook’s Linux subsystem, you can install and use it very easily. Here’s how….
What’s New in Ubuntu 21.04 ‘Hirsute Hippo’
The brand new release of Ubuntu 21.04, the Hirsute Hippo, was released on April 22, 2021. It’s an interim release of the popular Linux distribution, with only nine months of support from Canonical. So is it worth upgrading to…
How to Easily Transfer Files between Linux, Windows, Mac, Android, and iPhone
Transfer files from a Linux computer to any other computer quickly and easily with Snapdrop. It’s browser-based, so it works with any operating system, yet the files stay within your own local network and never go to “the clo…
How to Use “Here Documents” in Bash on Linux
The strangely named “here documents” let you use input/out redirection inside Bash scripts on Linux. They’re a great way to automate commands you need to run on a remote computer.
How to Use Restricted Shell to Limit What a Linux User Can Do
A restricted shell limits what a user account can do on Linux. A restricted user cannot change their directory, and you control which commands they have access to. Here’s how to set up a restricted shell on Linux….
How to Get a Graphical Device Manager for Linux
There are endless Linux command-line utilities that show the details of your computer’s hardware. HardInfo displays all that information in an easy graphical interface. It’s like Windows Device Manager for Linux….
The Best Linux Distributions Without systemd
When the dominant Linux distributions adopted systemd, dissenters forked distributions and started new projects. So what are your options if you’re looking for a non-systemd distribution? Let’s take a look….
How to Process a File Line by Line in a Linux Bash Script
It’s pretty easy to read the contents of a Linux text file line by line in a shell script—as long as you deal with some subtle gotchas. Here’s how to do it the safe way.
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 Use OpenPGP Encryption for Emails in Thunderbird
Mozilla Thunderbird recently integrated OpenPGP right into the main application. No add-ons are needed for email privacy. OpenPGP’s world-class encryption is easy to set up and use without additional software….
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 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 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.
