I've just installed Ubuntu 12.04 using VMware Player on my Windows XP laptop. Installation finished and everything looked good.
However trying to edit the
/etc/sudoers file in terminal I'm getting the error message
permission denied. I also can't execute the
sudo command, doing so I get the error message
unable to get the sudoers gid.
My user ID is
How should I proceed? I need to be able to execute
sudo to install applications. Please help me because I'm not very experienced with Linux.