90 Linux Commands frequently used by Linux Sysadmins
There are well over 100 Unix commands shared by the Linux kernel and other Unix-like operating systems. If you are interested in the commands frequently
Win-KeX is a graphical desktop environment for Kali Linux running in Windows Subsystem for Linux
When Microsoft updated Windows Subsystem for Linux to version 2, there was a lot for developers to take advantage of.
Install Privacy-friendly WhatsApp Alternative Signal on Linux Desktop
Want to use the encrypted messaging application Signal on Linux desktop? Here are various methods of installing the official Signal desktop app on Linux.
Linux Fu: VPN For Free With SSH
If you see a lot of banner ads on certain websites, you know that without a Virtual Private Network (VPN), hackers will quickly ravage your computer and burn down your house. Well, that seems to be wh...
How to Use Linux’s screen Command
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 you disconnect and reconnect!
Wireshark Tutorial: Display Filter Expressions
This post is also available in: 日本語 (Japanese)As a Threat Intelligence Analyst for Palo Alto Networks Unit 42, I often use Wireshark to review packet captures (pcaps) of network traffic generated by malware samples. To better accomplish this work, I use a customized Wireshark column display as described my previous blog about using Wireshark. Today's...
How to Use Regular Expressions (regexes) on Linux
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.
How to record your Linux terminal using asciinema
Asciinema might be the application you've been looking for to demonstrate a skill or process that you want your colleagues or students to learn on-demand.
Power up your Linux terminal text editor with ed
The GNU ed command is a line editor. It’s considered the standard Unix text editor because it was the very first text editor for Unix, and so it was (and generally still is) available on any POSIX system. In some ways, it’s easy to tell that it was the first because, in many ways, it’s extremely rudimentary. Unlike most other text editors, it doesn’t open in a window or screen of its own, and in fact, by default, it doesn’t even prompt the user for input. On the other hand, its near lack of…
20 Things to install on a Fresh Ubuntu install
The internet is full of these lists where each time an Ubuntu release is launched, they are re branded with the new release name and number and shipped out. So what makes this list different?
Everything a Linux admin needs to know about working from the command line
These downloads cover tasks ranging from completing backups to troubleshooting problems to managing users.