GRUB Launcher Setup Encryption virtual machine vmware8.0.4 CentOS 6.3

If everyone can change the root password, then the password does not exist. So how do you prevent others from entering single-user mode through the Grub launcher to modify the root password???

Environment: Virtual Machine vmware8.0.4 CentOS 6.3

Set the password to enter the Grub boot program via the Grub-md5-crypt command

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II with VI open the Grub Launcher's profile/etc/grub.conf and add a row of commands, and then

Save and exit.

Note: Actually/etc/grub.conf is/boot/grub/grub.conf's soft link

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Triple-Start and press any key for a few seconds

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Four appears below, requires the password to enter the Grub startup program to enter the edit

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Enter the password (this is the password to enter two consecutive times in the first step)

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Six entry to the Grub Launcher editing interface

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Note:

Clear text: Refers to the password entered two times on the keyboard

Ciphertext: Refers to a sequence of characters after encryption

This article is from the "12152777" blog, please be sure to keep this source http://12162777.blog.51cto.com/12152777/1866961

GRUB Launcher Setup Encryption virtual machine vmware8.0.4 CentOS 6.3