Linux lock important Files change important commands

Source: Internet
Author: User

Lock important files as follows:

Chattr +i/etc/passwd/etc/shadow/etc/groupp/etc/gshadow

Unlocking files


Note: The I representative here may not change this file arbitrarily

To see if a file is locked


To change a command:

For example, you can change the chattr above Xxar


You can use Xxar +i to lock files later.

Another change su This command is also a good idea, way to power.

Mv/usr/bin/su/usr/bin HC

Later in the system to switch users with the HC user name, you can.

HC-Switch to root account

Linux lock important Files change important commands

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