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Ubuntu first set password and root login settings for root user

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Author: User
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1 Ubuntu first set a password for the root user
Set the password input command for root user sudo passwd, then the system will let you enter the password, then the password entered is the root user's password, after the setup is complete, you can switch the root user login

sudo passwd

2. Ubuntu Root User login settings

sudo/etc/lightdm/lightdm.conf.greeter-session=unity-greeteruser-session=ubuntugreeter -show-manual-login=true  #手工输入登陆系统的用户名和密码allow-guest=false #不允许guest登录

Ubuntu first set password and root login settings for root user

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