Bash scripting is every Linux administrator’s Swiss Army knife. Learn how using a for-loop in conjunction with Bash scripts can produce powerful results. Bash scripting remains a staple of my ...

I've got a script that runs a program in a loop. The program writes a file, and the script extracts a value out of that file. If the value doesn't meet the criteria, the loop continues. One thing that ...

While Linux systems install with thousands of commands, bash also supplies a large number of “built-ins”—commands that are not sitting in the file system as separate files, but are part of bash itself ...

In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we’re going to introduce the concepts of simple variable substitution and ...

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 ...

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.

Jack Wallen shows you a nifty trick for easily starting, stopping, pausing, and resuming your VirtualBox virtual machines on a headless Linux server. There’s a nifty feature that comes with VirtualBox ...