ALSA stands for the Advanced Linux Sound Architecture. It consists of a set of kernel drivers, an application programming interface (API) library and utility programs for supporting sound under Linux.

As more people and companies start to write Linux kernel code, understanding acceptable kernel programming coding style and conventions is very important. This article starts out by explaining the ...

Is Linux infrastructure? Or is it just another operating system, like Windows, MacOS and various Unixes? How about the Internet? Is the Net infrastructure? Or is it just the #3 "service" in the ...

In last month's article, we saw how the Linux input subsystem worked inside the kernel, ending with a quick mention of the event handlers. Each handler essentially provides a different user-space API, ...

In the quest to make small devices cost effective, manufacturers often need to think about reducing the memory size. One option is to find alternative implementations of the abstract data types (ADTs) ...

Have you ever wondered how system calls can be intercepted? Have you ever tried fooling the kernel by changing system call arguments? Have you ever wondered how debuggers stop a running process and ...

GRUB: it's neither larva, fast food nor the loveliest of acronyms in the GNU herd of free software. Rather, GRUB is the GNU GRand Unified Bootloader. And, it is truly the greatest loader for booting ...

Robert Young: It is a great pleasure to have an excuse to reach out to you. How are you and your family? Your kids must be through college by now. Nancy and I and our three daughters are all doing ...

SSH is the descendant of rsh and rlogin, which are non-encrypted programs for remote shell logins. Rsh and rlogin, like telnet, have a long lineage but now are outdated and insecure. However, these ...

In a previous article, I showed you how to build your very own Nextcloud server. In this article, we're going to extend the storage for our Nextcloud instance by utilizing block storage. To follow ...

Whether you are creating a small Internet appliance, some hardware instrumentation, data loggers or an army of autonomous robots to do your bidding, in numerous situations you need the flexibility of ...

Linking is the process of combining various pieces of code and data together to form a single executable that can be loaded in memory. Linking can be done at compile time, at load time (by loaders) ...