Instruction
1
Click on the keyboard key combination Ctrl-Alt-Delete
2
In some cases, the server may not respond to this combination. Then try to follow press the following combination: Alt-PrintScreen-S Alt-PrintScreen-U Alt-PrintScreen-B.
3
If there is no answer to these actions, you will only Reset button on the system unit of a computer.
4
If there is no response to this clicking, you just need to power down the computer and wait 15-20 minutes.
Note
This sequence is due to the fact that when you restart on the power button of a running application is not completed correctly, and not stored all the data from RAM to the hard disk of the computer. And this, in turn, can lead to violation of integrity of file systems, hard drives or corruption database tables, up to impossibility to boot the server into normal mode. Therefore it is not recommended to restart the server a Reset button and a power button.
Also long known that if one or more filesystems are in a state of clean, and you don't want to they were checked on each boot, then type the command line this command: touch /fastboot. To find out what state your file system type in the console commands the following command: dumpe2fs-h. In principle, it is advisable to always check the file system, but the check can take hours and sometimes days. And wait for so much time is not always possible.
Also long known that if one or more filesystems are in a state of clean, and you don't want to they were checked on each boot, then type the command line this command: touch /fastboot. To find out what state your file system type in the console commands the following command: dumpe2fs-h. In principle, it is advisable to always check the file system, but the check can take hours and sometimes days. And wait for so much time is not always possible.
Useful advice
Some servers are not connected the keyboard and monitor. On the one hand, if the server works without problems, it is not necessary. For a proper reboot you need to connect all of these devices. If a reboot will be issued for any message or warning, it is desirable to copy or photograph. This will allow you to understand further about what I wanted to warn you a computer.