Linux Capabilities: Drop Root Without Breaking Everything
Learn Linux capabilities to drop root privileges without breaking your apps. Master cap_drop, cap_add in Docker, and setcap for fine-grained privilege control.
Tag: kernel
All the articles with the tag "kernel".
The Linux OOM Killer: Why It's Killing Your App
Why Linux kills your app with no warning. Understand the OOM killer, read dmesg logs, and shield critical processes with oom_score_adj and swap.
/proc as a Debugging Tool
The /proc filesystem is a live window into every running process on Linux. Debug PIDs, file descriptors, memory, and limits with no extra tools installed.