1 sudo chmod u+w /etc/sudoers
2 ubuntu ALL=(ALL) NOPASSWD: ALL
3 sudo chmod u-w /etc/sudoers
1 change ubuntu user passwd
2 sudo passwd ubuntu
ubuntu 是账号名,修改成你自己的
1 sudo chmod u+w /etc/sudoers
2 ubuntu ALL=(ALL) NOPASSWD: ALL
3 sudo chmod u-w /etc/sudoers
1 change ubuntu user passwd
2 sudo passwd ubuntu
ubuntu 是账号名,修改成你自己的