Computers separate the OS into two modes for resource allocation and security purposes. The distinction protects a computer system's basic functionality and ensures stability. While the computer is ...

Much of modern operating system functionality happens in and around the kernel. That’s a problem when you’re implementing monitoring and observability tools or adding low-level security tools because ...

This course provides an introduction to Kernel programming for the Linux operating system, and the development of Linux kernel drivers for Embedded devices. The Yocto build system is introduced, which ...

The bpfilter subsystem, along with its "user-mode blobs" infrastructure, attracted a lot of attention when it was merged for the 4.18 kernel in 2018. Since then, however, development in this effort ...

To Linux system admins and developers, the extended Berkeley packet filter, or eBPF, can feel almost like magic. With eBPF, IT pros can do something that, until recently, seemed unimaginable: deploy ...