How to generate good passwords with pwgen
Whenever I change passwords on my systems, I need to try to think up ones that will be hard to crack as well as easy...
Finding hidden package groups using DNF
For some reason, the Fedora packagers are hiding a large number of package groups so that you can't see them when you search using dnf...
Unzipping archives from the command line
For many years, the de facto standard in file archives was Pkzip and Pkunzip, by Phil Katz. Phil created the Zip archive file format because...
Reading the command line with getopt
You can make your program much more flexible if it can respond to the user every time the program runs.
Getting started with the Linux cat command
Cat is a fairly simple tool designed to concatenate and write file(s) to your screen, which is known as standard output (stdout). You can expect...
Manage multiple service instances with systemctl
Services, services, services. A service is a huge part of computing. You're reading this article on a service. Your computer is running services. The internet...
I need a list of URLs
I used the command line to do in seconds what would have needed more than ten minutes to do by hand.
Straight quotes from pandoc
Change pandoc’s curly quotes into straight quotes with this script.
Viewing PDF documents in console mode
I have a Raspberry Pi 3 that’s sat unused for the last few years. I used to run the Raspberry Pi as a personal “home...
Extracting text with awk
The awk script interpreter is a very handy tool for systems administrators, and anyone else who uses Linux at the command line. With awk, you...
Redirectors — More than you think
If you use the command line at all, you're probably familiar with the basic concept of redirection using Standard IO (STDIO). One common usage is...
Update Linux from the command line
Be a power user by updating your system from the command line.