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 ...

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 ...

This shows us which file the script is looking for, what command is being run, what message is being sent and who should be receiving the message that is being sent. By interpreting each of your ...

If you do much Linux shell scripting, you’ve probably encountered sed — the stream editor — in an example. Maybe you’ve even used it yourself. If all you want to do is substitute text, it is easy and ...

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 ...