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systemd

Units, restarts, start limits, timers and the journal: how systemd really behaves when a service misbehaves.

Node NotReady: kubelet stuck in activating (auto-restart) because swap is on

The kubelet refuses to run with swap enabled by default. How to read it from systemctl and journalctl, why swapoff alone comes back after a reboot, and the full fix.

3 Oct 2026 · 1 min read

systemd Linux

systemd: your StartLimitIntervalSec is in the wrong section (and silently ignored)

StartLimitIntervalSec and StartLimitBurst belong in [Unit]. In [Service] systemd ignores them with a warning you only see in systemd-analyze verify. Plus the default that never trips.

3 Oct 2026 · 1 min read