User-group-related-operate
来自三线的随记
add user to group
method 1
vim /etc/group
[root@node ~]# cat /etc/group|grep docker docker:x:989:root
method 2
usermod -aG docker root
vim /etc/group
[root@node ~]# cat /etc/group|grep docker docker:x:989:root
usermod -aG docker root