I did something recently I haven’t done in a long time: I recompiled the Linux kernel. There was a time when this was a common occurrence. You might want a feature that the default kernel didn’t ...

Editor's Note: Linux remains an attractive option for embedded systems developers. In fact, industry surveys such as the Embedded Market Study by UBM (EDN's parent company) consistently show interest ...

Blacklisting modules prevents them from being loaded and used, and it is sometimes an important step in keeping a system running properly. The Linux kernel is modular — composed of modules that work ...

When you write programs in user space, the worst thing that can happen to your program is a core dump. Your program did something very wrong, so the operating system decided to give you all of its ...

Have you ever felt the urge to make your own private binary format for use in Linux? Perhaps you have looked at creating the smallest possible binary when compiling a project, and felt disgusted with ...

Kernel modules are chunks of code that are loaded and unloaded into the kernel as needed, thus extending the functionality of the kernel without requiring a reboot. In fact, unless users inquire about ...

Signed kernel modules have been a feature of other operating systems for a number of years. Some people and companies like the idea of installing only modules (or drivers, as they are sometimes called ...

Members of the open source community are working on a new security-focused project for the Linux kernel. Named Linux Kernel Runtime Guard (LKRG), this is a loadable kernel module that will perform ...

Up until about 10 years ago I wrote a lot of Linux device drivers. The last one I wrote was in '03, needless to say I'm out of practice (and out of date, that was for a 2.4 kernel). I've got 2 ...