Modify the Linux password

Note:

Init 0 Stop system running (shutdown)
Init 1 Single user mode (can operate modify system)
Init 2 Multi-user mode (no NETWORK Service)
Init 3 Multi-user mode (command line)
Init 5 Multi-user (graphical interface)
Init 6 Restart

First step Press any key to enter Grub mode

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The second step selects the kernel boot and press the E key to enter

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Step three enter Grup space Press 1 plus enter

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Fourth Step press the B key to restart

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Fifth Step into single user change password

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The sixth step finally restarts the device to log in with the modified password

Modify the Linux password