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 ...

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 ...

Basic ways you can use shell scripts to monitor password strength and secret accounts. The internet ain't what it used to be back in the old days. I remember being online back when it was known as ...

Don't expose your system with sloppy scripts! Although a Linux desktop or server is less susceptible to viruses and malware than a typical Windows device, there isn't a device on the internet that isn ...

Wicked Cool Shell Scripts: 101 Scripts for Linux, OS X, and Unix Systems by Dave Taylor and Brandon Perry, 2 nd edition, no starch press (2017) is a book that can lift you up a notch in the super Unix ...

A recent post about debugging constructs surprised me. There were quite a few comments about how you didn’t need a debugger, as long as you had printf. For that matter, we’ve all debugged systems ...

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, ...

Time your command runs, then iterate with various techniques to get faster and faster.