/check-services

Sysadmin-Homelab — Check Services

Inspect systemd service state. Prefix with ssh <host> for remote.

# Failed units
systemctl --failed --no-pager

# All units matching glob (if provided)
GLOB="${ARGUMENTS:-*}"
systemctl list-units --type=service --all "$GLOB" --no-pager | head -60

# Recently restarted units (flapping detection)
journalctl --since "1 hour ago" | grep -E "Started|Stopped|Failed" | tail -40

# User units too
systemctl --user --failed --no-pager 2>/dev/null || true

Output

• Failed — units in failed state, with last error from journalctl -u <unit> -n 20.
• Flapping — units restarted more than twice in the last hour.
• Healthy — count of active units.
• Recommended actions — restart / mask / investigate per unit.