3 ms·
With Icinga, for webservers: - apt status (for security/critical updates that haven't been run yet) - reboot needed (presence of /var/run/reboot-required) -
by cmg 2y ago
With Icinga, for webservers:
- apt status (for security/critical updates that haven't been run yet)
- reboot needed (presence of /var/run/reboot-required)
- fail2ban jail status (how many are in each of our defined jails)
- CPU usage
- MySQL active, long-running processes, number of queries
- iostat numbers
- disk space
- SSL cert expiration date
- domain expiration date
- reachability (ping, domain resolution, specific string in an HTTP request)
- Application-specific checks (WordPress, Drupal, CRM, etc)
- postfix queue size
- Eater_of_food 2y agoFirst mention of [ -f /var/run/reboot-required ], which is important to ensure security updates have taken effect