If you're not yet comfortable with writing scripts on Unix and Linux systems, this post might get you off to a healthy start. Creating a script on a Unix or Linux system can be dead easy or ...

Once a script is prepared and tested, you can get a significant task completed simply by typing the script's name followed by any required arguments. Developing scripts to handle your more complicated ...

There are three facts we can use to our advantage: The option variable ("optvar") stores the option name currently being ...

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Linux offers graphical user interfaces (GUIs) with high resolution, multiple windows and menus. But with a GUI, human/computer interaction is the real speed bottleneck: as long as doing something ...

If you ever think about it, computers are exceedingly stupid. Even the most powerful CPU can’t do very much. However, it can do what it does very rapidly and repeatably. Computers are so fast, they ...

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 ...

I need a script so when my system is starting services it says something like "Press N in 5 seconds to skip network startup" and then if nothing is pressed run a script, but if it is then skip it, any ...

I have a simple API running in Flask on a Raspberry Pi. The Pi has Debian (buster) installed. In the API, I am making calls to Twilio. I'm storing sensitive info like the auth token in environment ...