Linux Kernel Internals & Architecture: Full Course
Ever wondered what actually happens beneath the commands you type? This is a complete, advanced tour of how the Linux kernel really works. Over seven hours, we go from Unix design principles and the user-space/kernel-space boundary all the way to the subsystems that run modern computing: process scheduling (CFS, RCU), memory management (paging, NUMA, huge pages), device drivers and PCIe, filesystems and the block layer (VFS, journaling, io_uring), the networking stack (sk_buff, eBPF, XDP), and the isolation primitives behind containers (namespaces, cgroups, KVM, seccomp, SELinux). The focus is on how and why each piece works, not just what it does. For developers, sysadmins and anyone serious about systems.
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⏱️ Chapters:
0:00:00 The DNA of Unix & the Evolution of Linux
0:38:50 Kernel Boundaries, ABI & the Modular Monolith
1:19:59 The Boot Journey: Firmware to Kernel
1:56:59 Interrupts, Deferred Work & Scheduling
2:43:02 Memory Management
3:34:13 Filesystems, Consistency & the Block Layer
4:27:54 Device Drivers, the Device Model & PCIe
5:23:12 Networking Internals: Sockets to eBPF & XDP
6:19:36 Namespaces, cgroups, Containers & KVM
7:19:04 Kernel Security: Capabilities, LSM & seccomp
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🔥 Go beyond the commands. Understand the machine.
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