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...
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.
How to remove a stuck kernel from GRUB
Here’s how to fix the GRUB menu configuration from the command line.
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...
Emulating systems with QEMU
Here’s how I boot other systems using virtual machines in QEMU
Create a patch from differences in a file with the diff and patch commands
When you collaborate on a digital project with someone, it's a guarantee that eventually someone's going to need to send you changes they've made to...
Update Linux from the command line
Be a power user by updating your system from the command line.
Selective updates using ‘dnf’
Here’s how I update my system except for one problem library