Linux 7.1.8 Is Stable While 7.2 Is Still a Release Candidate
Kernel.org now lists Linux 7.1.8 as stable and 7.2-rc7 as mainline; here is what those labels mean for upgrades and bug reports.
7 min read
Topic
Kernel
7 articles
Kernel interfaces, system calls, and core Linux behavior.
SIGTERM Before SIGKILL: How Linux Process Shutdown Actually Works
Signals request process actions; a safe lab shows SIGTERM running cleanup with exit 0 while SIGKILL bypasses handlers and yields status 137.
9 min read
Namespaces and cgroups: The Two Boundaries Behind Containers
Namespaces change what processes can see; cgroups account for and limit resources. Inspect both without pretending a container is a tiny VM.
10 min read
Linux Load Average Without Guesswork
Read Linux load average as a queue signal, separate runnable work from uninterruptible waits, and pair the three familiar numbers with CPU count and PSI.
12 min read
What Happens When You Press Enter in a Linux Terminal?
Follow ls -la from a terminal keystroke through shell parsing, command lookup, process replacement, filesystem calls, and pixels on screen.
11 min read
How Linux Pipes Actually Work
Replace the punctuation model of `|` with connected processes, file descriptors, bounded kernel buffers, and backpressure.
12 min read
Linux Memory Explained: Beyond Used and Free
Read RAM as anonymous memory, reclaimable cache, kernel state, swap, and pressure—then separate host capacity from cgroup limits.
14 min read