Linux Command User Maintenance

Linux Command User Maintenance

Basic

Add a XXX User:

useradd xxx

Add a XXX user, specify home directory for/home/xxx:

useradd -m -d /home/xxx xxx

Add a XXX user, specify the home directory as/home/xxx, and specify with bash:

useradd -m -d /home/xxx -s /bin/bash xxx

Add a XXX user, specify home directory for/home/xxx, and specify with bash, join YYY and ZZZ Group (the default XXX group is also reserved Teng Yun technology ty300.com):

useradd -m -d /home/xxx -s /bin/bash -G yyy,zzz xxx

The creation of group

groupadd xxx

To view groups with XXX user participation:

id xxx

Add the XXX user to the YYY group and the ZZZ Group:

usermod -G yyy,zzz xxx

Change the default shell of the XXX user to bash:

usermod -s /bin/dash xxx

Delete XXX Users:

userdel xxx

Delete the xxx user, along with the home directory Delete:

userdel -r xxx

The above command requires root privileges in addition to the ID XXX.

Commands to modify a user's password

passwd

Manuscripts: Diligent Learning qkxue.net

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Linux Command User Maintenance