Modify the default root password of the Ubuntu operating system
This article is reproduced from: [Baidu experience: modify the default password of root in Ubuntu operating system] (http://jingyan.baidu.com/article/5225f26b0ac250e6fb09084e.html)
One, Ubuntu
The default root password is random, that is, there is a new root password every time you boot. We can enter the command sudo passwd in the terminal, and then enter the password of the current user,
enter，
- The terminal will prompt us to enter and confirm a new password. The password at this time is the new root password. After the modification is successful, enter the command su root and then enter the new password.
- There is no default analysis, because you have not yet set a password for root. The first user is in the admin group, so he can set a password for root, so
sudo passwd root
[ sudo] password for you ：---> Enter your password, it will not be displayed
Enter new UNIX password:
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Set root password
Retype new UNIX password:
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-
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repeat
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Execute in Shell after logging in with the user created during installation
sudo passwd root Enter Password:
Then enter the user password just created and press Enter
Enter new UNIX password:
At this time, enter the root password to be set twice and you will see
password updated successfully!
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