mercury reboot
just use "reboot"
2025-07-22
- took 4½ minutes before it stopped returning pings
- another 30 seconds before it started returning pings again
- another 15 seconds before I could log in
2025-08-21 reboot after removing the old image and grub being rebuilt
- 1½ minutes from "Reboot" to stopping returning pings
- 1 minute until pings were back