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Linux Kernel Development

Implement an IRQ Interrupt Handler in a Linux Kernel Driver (Full Guide)

Interrupts are vital for real-time responsiveness in Linux kernel modules. Whether you’re writing drivers for GPIOs, network … Read more

Triggering the Linux Kernel OOM Killer Manually to Analyze Process Selection Scores

Learn how to manually trigger the Linux Kernel Out-Of-Memory (OOM) killer via SysRq, inspect /proc/pid/oom_score, and protect critical processes.

Bi-Directional Communication Between User-Space and Linux Kernel via Netlink Sockets

Learn bi-directional user-space to Linux kernel communication using Netlink sockets (AF_NETLINK) with full C kernel module and user client examples.