most useful for remote reboot server protocol VNC.To do this on a local computer client of the free version of RealVNC, but on the server - the server part of the same program.If the server is installed Linux, one must have it X.org graphics or XFree86.Run the client, enter a name of the root user (in Linux - root, and Windows - Admin), password, and server IP-address.Once connected, you can reboot the machine via the graphical user interface, just as if you were at that time with her.Be sure to select the menu item corresponding to the restart, not shut down, as to include the server remotely, you can not.
much smaller channel bandwidth is required if access to the server is done via SSH.It is a text, but differs from the more common Telnet protocol so that it encrypts data makes it difficult to intercept the pas
sword.To connect to Linux server via SSH is possible even in the absence of the graphics subsystem.SSH clients exist not only for computers but also for mobile platforms Android, Symbian, iOS and Windows Phone 7. Once connected to the server, type shutdown -r now or reboot (on Linux) or tsshutdn 0 / reboot / delay: 0(in Windows).
If the server hangs and does not respond to commands issued remotely reboot it only locally.First, try to take advantage of ways to reset that are organic to the OS installed on it.If this does not work, press the button on its case Reset.Then wait for the automatic check of the file system on the disk and restart the machine.Make sure all the sites hosted on it is available and functioning correctly.
server may hang and night, when the room is empty, and therefore can not be a local reboot.Therefore, if you want to connect the device to the hardware perezarguzki.It may be automatic (then called watchdog) or remote.In the first case, the server runs a program that runs constantly and change the state of one of the ports at intervals of one second.If the state of the port is no longer me, it is regarded as a crash, and emulates clicking on Reset.In the second case, imitation pressing this button, when you receive SMS-messages (the content of which knows only the administrator) on the unit's built-in radio.
Set complex password of the root user.Do not restart the server unnecessarily.