Technical Tip: How to view reboot history in FortiSIEM backend

[calvinc97]

Description	This article describes a method to see the reboot history of FortiSIEM backend SSH.
Scope	FortiSIEM.
Solution	To view the reboot history of the Supervisor's backend, use the CLI commands below: uptime last | egrep 'boot|start' | head -1 (to view the last reboot/restart) last | egrep 'boot|start' | head -5 (to view the last 5 reboots/restarts)    who -b To see who last rebooted the server. Example Output:     system boot 2025-10-07 11:24 uptime 16:15:34 up 17 days, 5:44, 1 user, load average: 3.10, 2.83, 2.66 last | egrep 'boot|start' | head -1 reboot system boot 4.18.0-553.5.1.e Fri Sep 6 10:31 still running last | egrep 'boot|start' | head -5 reboot system boot 4.18.0-553.5.1.e Fri Sep 6 10:31 still running reboot system boot 4.18.0-553.5.1.e Wed Sep 4 12:27 - 10:30 (1+22:02) reboot system boot 4.18.0-553.5.1.e Tue Sep 3 14:15 - 10:30 (2+20:14) reboot system boot 4.18.0-553.5.1.e Mon Sep 2 13:45 - 10:30 (3+20:45) reboot system boot 4.18.0-553.5.1.e Sat Jul 13 11:30 - 10:30 (54+22:59)