Linux on Surface Book: Install the Right Kernel First
The linux-surface kernel makes Surface Book hardware work on Linux. Learn which patches you need, how to verify installation, and what still breaks.
Tag: Kernel Compilation
Build eBPF on ARM: Check the Kernel Before Clang
eBPF portability depends on the target kernel, not just the CPU. This guide covers clang, libbpf, CO-RE, BTF, verifier checks, and ARM loading.
CONFIG_BPF_SYSCALL: The Kernel Flag eBPF Programs Need
CONFIG_BPF_SYSCALL compiles the bpf() syscall into your kernel, the single entry point every eBPF program load and firewall rule requires to work.
Preverify eBPF Programs in CI Before Kernel Load
Run the kernel verifier off-device during CI to catch eBPF rejections early. Learn verifier basics, log reading, BTF fixes, and troubleshooting methods.
Build OpenWrt eBPF: Kernel Config & Toolchain Guide
Enable eBPF on OpenWrt by configuring kernel flags, building custom firmware, and verifying support with bpftool – complete setup steps for routers.
Make Menuconfig: Configure Linux Kernel Features Safely
The make menuconfig workflow helps you safely edit Linux kernel features, modules, and dependencies while avoiding common source-tree and ncurses errors.
Buildroot BR2_ENABLE_DEBUG: Manual Debug Symbols
BR2_ENABLE_DEBUG covers package debug symbols, not kernel symbols; this manual workflow adds CONFIG_DEBUG_INFO, preserves vmlinux, and connects QEMU to GDB.
How Kconfig Controls Linux Kernel Build Options
Kconfig manages tens of thousands of kernel build dependencies through a declarative language, menu system, and.config file that determines what gets compiled.
Kernel Missing or Contains Errors: Diagnose the Boot Chain
Kernel is missing or contains errors usually signals a boot loader mismatch, not a lost file. Learn which link in the boot chain broke and how to fix it.
How to Update Linux Kernel Safely by Distro
Update your Linux kernel using apt, dnf, pacman, or zypper depending on your distribution. Learn the right command and why rebooting matters.