Jack Wallen shows how you can create a Linux shell script that requires a password without having to save a password within the script. Linux is the most flexible ...

Simply put, a Shell Script is a program that is run by a UNIX/Linux shell. It is a file that contains a series of commands which are executed sequentially as if they were entered on the command line ...

At times, we need to write shell scripts that are interactive and user executing them need to monitor the progress. For such requirements, we can implement a simple progress bar that gives an idea ...

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Shell scripts enable every level of system administration and user interaction on Unix and Linux systems. Several system administration tasks can be automated with shell scripts. Disaster recovery ...

Imagine that you want to output multiple lines of text in Bash, or any shell script. Maybe it’s for a help string for a particularly convoluted shell script you’re writing. You could have a separate ...

Sound eXchange, or SoX, the “Swiss Army knife of audio manipulation” has been around for as long as the Linux kernel, and in case you’re not familiar with it, is a command line tool to play, record, ...

Few aspects of Unix system administration are more intimate than the relationship between the admin and their chosen shell. After all, the shell is the most fundamental interface to the system, the ...

Need weather data on Linux? Here’s a comparison of 8 practical free and trial weather APIs for scripts, dashboards, and data ...

This chapter excerpt on Linux Administration (download PDF) is taken from the book The Accidental Administrator: Linux Server Step-by-Step Configuration Guide. Among the topics covered in this book ...