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 ...

If you run into problems building, testing or running complex bash scripts, don’t lose heart. There are many ways you can help ensure that your scripts will work flawlessly. In this post, we’ll ...

Last week's post provided some tips and tricks for debugging scripts. This week's provides some even better ones! In last week’s posting, I mentioned the -x and -v options that can be used on the ...

The command-line interface (CLI) is the cornerstone of interacting with the Linux operating system. It allows users to enter commands directly, offering greater control and flexibility compared to ...

The error messages that are displayed when a script malfunctions range from effective to practically useless — especially when the scripts themselves are long ...

At a basic level, parameter expansion means changing Bash syntax into a value—expanding it. For example: echo "$foo" This ...

If you write code for Linux systems, chances are you will have used the venerable GNU Debugger (GDB). Acting as a back end for many GUIs and the interface to various JTAG debugging tools in the ...