How to check if my system was just rebooted
Answer:
Use the following command
sudo last reboot
And it will show all the reboot information, e.g.
reboot system boot 2.6.27-7-server Sat Jan 2 19:03 - 20:39 (01:35)
...
How to restart a frozen Linux System?
Answer:
Try the following two simple methods first:
- Hold down Ctrl+Alt+Backspace if you are in graphic mode
- if not work, then hold down "Ctrl+Alt+F1" to get into the shell and use the "reboot" command to reboot
If still not work, do the following:
- Hold down the Alt and SysRq (Print Screen) keys
- While holding those down, type the following in order: REISUB
- You computer will reboot now
