Awk articles

Last change: 2025-01-06

Learn more about the system calls (syscalls) that systemd may use in commands and unit files, such as with SystemCallFilter property.

Last change: 2025-01-06

Memory pages might need to be swapped to disk if the physical memory is full. Troubleshoot Linux system performance issues with focus on swap memory.

Last change: 2025-01-06

Want to test your web server and see if static files are properly cached? Curl can help and with some scripting even automate the task for you.

Last change: 2025-01-06

When it comes to a powerful tools on Linux, AWK is definitely one to know. This cheat sheet explains the basics and shows many useful one-liners

Last change: 2025-01-06

Want to see all configured virtual hosts on a server running nginx? Here is a method to achieve this quickly by using a default configuration option.

Last change: 2025-01-06

Even after years, RSS is still being used by many. With more RSS clients to choose from, we discovered that not all of them behave like a good bot.

Last change: 2025-01-06

With the right Linux software tools, it is easy to find to which package a file belongs. Or the opposite, what files are part of an installed package.

Last change: 2025-01-06

PCI DSS compliance requires you to verify if no application processes are running as root. We audit these application processes and check the status of each.

Last change: 2025-01-06

For auditing purposes we can perform Linux host discovery with the famous Nmap tool. Learn some of the common options to do a network scan.