Shulou(Shulou.com)06/01 Report--

Plaintext encryption

Vim / etc/grub.conf in

Hiddenmenu

Title CentOS (2.6.32-431.el6.x86_64)

Change to

Hiddenmenu

Password=12345678

Title CentOS (2.6.32-431.el6.x86_64)

2.md5 algorithm encryption

a. Enter grub-md5-crypt directly to encrypt the password.

B.vim / etc/grub.conf adds the encrypted password to the

Hiddenmenu

Title CentOS (2.6.32-431.el6.x86_64)

Get

Hiddenmenu

Lock

Password-- md5 $1$ VgHQU$hVuCrY9xtT8CogBV8ioIc/

Title CentOS (2.6.32-431.el6.x86_64)

3. Enter single-user mode

Reboot restart the system, within 3 seconds of boot, press any key to enter the boot interface, and then enter the password to enter single-user mode. Enter passwd to change the password of the root user.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.