Set permissions for multiple users (Set permission cho nhiều users, ví dụ user apache + user đang xài Git trên server)
groupadd vpsusers gpasswd -a apache vpsusers gpasswd -a bob vpsusers # if you have a user named bob gpasswd -a alice vpsusers # if you have a user name alice
chown -R apache:vpsusers /your/directory
chmod -R g+w /your/directory