Linux forgot root password and reset root password

Source: Internet
Author: User

There are often forgotten root passwords, but CentOS 6 and CentOS 7 reset root are still different, and CentOS 7 's root password reset is relatively simple.


Root password reset for CentOS 6:

1.1: Boot can use the upper and lower keys to select the System option to reset the password, using the E key to enter the GRUB compilation option;

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1.2: Use the upper and lower keys to select the kernel key, and then press the E key to compile;

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1.3: In the quiet, enter single in the space after the entry, and then press the ENTER key.

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or enter the number 1 is also OK, and then press ENTER enter key.

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1.4: Then press the B key in single-user mode

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1.6: To this, congratulations have been modified to complete, restart can be used.


CentOS 7 Change root password:

2.1: Boot press the up and down keys to select the option to change the root password:

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This article is from the Linux OPS blog, so be sure to keep this source http://lailai900201.blog.51cto.com/3094187/1784605

Linux forgot root password and reset root password

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