Bash scripts are powerful, but with power comes great responsibility. It’s very easy for sloppy or poorly-planned code to do real damage, so it’s a good idea to be careful and practice defensive ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that ...

Skip one-click backup apps. This rsync script gives you full control over what gets saved and when, plus logs and a few hard-won lessons.

Bash scripting is often seen as a convenient tool for automating repetitive tasks, managing simple file operations, or orchestrating basic system utilities. But beneath its surface lies a trove of ...

In this post I'll show you how to create a self extracting bash script to automate the installation of files on your system. This script requires coreutils (for cat, tail), awk, gzip, tar and bash.

Good Linux command line tricks don’t only save you time and trouble. They also help you remember and reuse complex commands, making it easier for you to focus on what you need to do, not how you ...

Markdown has become an extremely popular way to document source code and other projects, thanks in no small part to how well web-based services like GitHub render it. Just sprinkle a few extra ...

Since version 3 (circa 2004), bash has a built-in regular expression comparison operator, represented by =~. A lot of scripting tricks that use grep or sed can now be handled by bash expressions and ...