Linux Maintenance Checklist
This checklist covers the monthly maintenance tasks for a Linux server running Debian, Ubuntu, AlmaLinux or Rocky Linux: updates, log review, disk space, backups and a basic security audit.
Step 1: Apply System Updates
Keeping your system up-to-date is the most critical step for security. This process downloads and installs the latest security patches and software updates for your operating system and packages.
It is best practice to perform updates during a planned maintenance window, as some updates (like kernel updates) may require a server reboot.
Step 2: Review Log Files
System logs are the first place to look for diagnostics. Regularly checking them can help you spot potential problems like failed login attempts or hardware warnings.
journalctl: System journal on all current distributions (on Debian 12 and later the only log by default)./var/log/syslog,/var/log/auth.log: System and authentication logs (Ubuntu)./var/log/messages,/var/log/secure: System and authentication logs (AlmaLinux / Rocky Linux).
Step 3: Check Disk Space Usage
A full hard drive can cause services to fail or prevent the system from booting. Monitor your disk usage regularly.
Step 4: Verify Your Backups
A backup is only useful if it is valid. It is crucial to regularly verify that your backup jobs are completing successfully.
If you are using our Acronis Backup solution, log in to your Acronis panel to check the status of your recent tasks.
→ Learn more about Acronis Backup
Step 5: Basic Security Audit
Detected a hardware defect?
If you suspect a hardware issue during your maintenance, please contact us directly through the PowerPanel.