Linux virtual machine forgot root password

First of all, for the common switch machine, restart the command has;

Shutdown-h now: Turn off the machine

Shutdown-r Now: Restart

Poweroff: Shut down the machine

Poweroff/half: Restart

Init 0/6: Shutdown/restart

Reboot: Restart

To change the root password:

Power on or restart, and then press the up and down arrows to select the boot entry above; The following two images appear

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Find the corresponding line, remove the superfluous, add RW rd.break, and then ctrl+x

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Enter the following command line to enter the new password, note must not appear error, if wrong, boot will have a problem;

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Successful Login

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Here is a direct way to change the root password:

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Linux Network (Configure network):

1.nmcli con Show: View ' System eth0 '

2.NMCLI connection Modify ' eno*** ' ipv4.mothod manual ipv4.addresses ' 192.168.16.11/24 192.168.16.254 '

3.systemctl Restart NetworkManager

4.ifconfig View IP (if you do not have this command, install net-tools)

5.NETSTAT-NTLP: View port number;

This article is from the "11773640" blog, please be sure to keep this source http://11783640.blog.51cto.com/11773640/1870041

Linux virtual machine forgot root password