I messed up some config files, now all my users have lost sudo priv :(

[Rashkae]

Gabriel Dragffy wrote:
>
> 
> My question is - how to fix it? What did I actually break?
> 
> essentially my group files looked something like:
> admin:x:108:originaluser:newuser:
> 

The usernames should be coma seperated, so that line should look like:

admin:x:108:originaluser,newuser