ubuntu修改用户名并修改home对应的目录名

1.新建一个新的用户user2

sudo adduser temporary

sudo adduser temporary sudo

2.从user1 logout。进入新建用户user2，修改user1的名字和home目录名

sudo usermod -l new_username -d /home/new_username -m user1

3.从user2中logout，进入user1(new_username)，删除user2.

sudo deluser temporary

sudo rm -r /home/temporary

usermod -l new_username -d /home/new_username -m old_username
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