What to do regularly.
WEEKLY
Check for and apply security updates Review monitoring alerts Check disk space
MONTHLY
Review logs for anything unusual Verify backups completed Check certificate expiry dates Review resource trends
QUARTERLY
Test restoring from a backup Review what is installed and remove what is unused Review firewall rules Review who has access
ANNUALLY
Full review: operating system version, major upgrades due, documentation current
AFTER ANY CHANGE
Verify sites load, mail works, and scheduled tasks run
WHAT TO DOCUMENT
What is installed and why Configuration decisions and reasons Access details, stored securely elsewhere
WHY THE ROUTINE MATTERS
Servers fail from neglect more than from anything else.
A maintained server runs for years. An unmaintained one is compromised.
