Add Active Directory Group account to sudoers:
1.Figure out the AD group name using $ id <AD User Account>. The command lists all the AD groups that the account is member of.
ubuntuhost:/$ id itadminuser
uid=472827969(itadmingroup)
2.Add Group you see above to the sudoers file
//Edit sudoers file
$ sudo vi /etc/sudoers
//Add AD group to the file
%itadmingroup ALL=(ALL) ALL
