Software interrupts on Linux and Unix systems are made via signals. There are many different Linux signals, but a few stand out and are important to understand and know: SIGINT, SIGTERM, and SIGKILL. Here’s how they work.
That application crash need not be the end of the journey! Learn the basics of using GDB, the powerful GNU Debugger and know how to debug core dumps on Linux. Ideal for end users and debugging newcomers alike.
If you’ve paid much attention to the Linux terminal window, or the Windows console, you might notice that text only comes in a limited set of colors. Why do the colors look the way they do? How IBM chose to represent text color on the original PC set the standard for text color to follow.
Apache Virtual Hosts are a feature which let you host multiple independent websites from one Apache installation. Each site has its own filesystem directory and domain name. You can serve different sites to different visitors based on the domain they’re using.