Linux forgot the root password remote configuration, maybe later you use the __linux

It person life Leisure 2017-02-04 09:39

Root is the Linux system's Super Administrator, to save a good password, and requirements to be complex, it is best to have numbers, letters, symbols, and more than 8, generally require random generation.

If you accidentally forget the root password, it is very annoying, but do not worry, do not need to reload, you can use the following methods:

Reboot system (as production system, preferably for a special time):

In 3 seconds to click Enter, the following interface appears:

Press ENTER:

Select the second line above, press E, and then enter single in the following interface, and note the preceding space

And then enter

And then press the B key, you can start, into Single-user mode

After entering, no need to lose the password, you can modify the root password

Of course, it requires you to operate in front of the computer, but not necessarily run to the engine room, now many manufacturers server support remote operation interface, but you need to configure in advance:

IBM (now Lenovo) server's IMM

Imana of Huawei Server

IDRAC for DELL servers

ILO for HP Server

Concrete what use, we can study, this is just a guide