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What you can find out asking which, whereis and whatis in Linux
The where, whereis and whatis commands summarize commands, show where executables are, and point to relevant man pages.
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How to use exiftool: 2-Minute Linux Tips
In this Linux tip, learn how to use exiftool. It's an app that you can install on your Linux system to pull metadata from jpg and png files. That metadata provides information such as the date the image was created or last modified,...
Troubleshooting your bash scripts
Bash provides some handy techniques for troubleshooting bash scripts, and they're very easy to use.
Viewing compressed file content on Linux without uncompressing
You can examine the contents of compressed files on Linux systems without uncompressing the files or changing them in any way. This post explains the commands for doing that and the types of compressed files they work with.
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How to use the help command: 2-Minute Linux Tips
In this Linux tip, learn how to use the help command. It's a command that provides useful information on bash "builtins". Those are commands that are built into, in other words "part of" the bash shell, not executables on their own.
Using Gimp to modify PDF files
Gimp is normally used to create or manipulate images files, but can also work with PDFs if you understand how it works and what it's limits are.
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How to use the traceroute command: 2-Minute Linux Tips
In this Linux tip, learn how to use the traceroute command. It reports on the route taken to reach a remote system and provides timing details for each "hop" along the way (the time between routers).
6 Linux command-line tricks for fewer keystrokes
Linux has many tricks that can reduce the number of keystrokes it takes to type in commands. Here are six of them.
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How to use speedtest: 2-Minute Linux Tips
In this Linux tip, learn how to use the tool called speedtest. It allows you to check the speed of your connection to your Internet provider. The tool is not installed on Linux systems by default, but is easy to find and install.
How to best set up command aliases on Linux
Setting up the most useful aliases on Linux is a mix of what's otherwise annoying to enter, hard to remember or typed way too often.
Red Hat buttresses edge features in RHEL 8.4
New features in Red Hat’s latest enterprise Linux release emphasize the company’s focus on edge computing.
Red Hat announces Red Hat Edge initiative
Red Hat has outlined how it can bundle existing and new features to better support edge networks, an effort it calls Red Hat Edge.
Manipulating the Ubuntu dock to keep favorite apps handy
You can make accessing some applications on Ubuntu quite a bit easier by adding them to the dock. In this post, we look at how you can manipulate the dock -- adding applications, changing the size of its icons and even moving it to a...
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How to use the cat command: 2-Minute Linux Tips
In this Linux tip, learn how to use the cat command. It's one of the most basic Linux commands, though it's used for two very different operations and not everyone is likely familiar with the second.
5 top open-source infrastructure projects
Open source is at the heart of many technologies pushing enterprise infrastructure forward, and here are of the five most important.
Linux commands for testing connectivity and transfer rates
Here are five Linux commands that can verify connection speeds, analyze delays, and test whether other systems are reachable.
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How to use the blkid command: 2-Minute Linux Tips
In this Linux tip, learn how to use the blkid command. It gives you a very useful view of block devices on your Linux system. First, it shows the devices (e.g., /dev/sda1). It shows the UUIDs (the 128 bit long "universally unique...
Taking control of your Ubuntu desktop
Ubuntu gives you control of what files show up on your desktop – even if they're not in your Desktop folder.
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