On Wed, 2004-06-23 at 13:47, Rick Stevens wrote: > Jose Gonzalez wrote: > > I need to add user names with the general form [FirstName].[LastName] > > (Example: david.morgan), but I receive an error like 'Invalid > > username....'. Is possible to use the point '.' in the user name..? In > > previous versions (Redhat 7.x) there is no problem. > > You are not allowed to have embedded spaces in usernames. The standard > practice is to use a "." to separate the two names: > > john.smith > > Yes, it works in FC1 and FC2. Be forewarned: using capitalization is > also dangerous. "John.Smith" is NOT the same user as "john.smith" and > can wreak havoc with email. I recommend only using lower-case letters > in user names. RFC822 states that domain names are case-insensitive, > but the "local part" of an email address (the username) is NOT case- > insensitive. As a result, standard practice is to make the usernames > lower case. > ---------------------------------------------------------------------- While email addresses can contain periods and underscores. Usernames cannot. This changed after RH8 or 9. The Shadow Utilites package underwent changes. I know there are hacked shadow-util packages that allow the periods in usernames under fedora, I wouldn't recommend them.
