[Desktop-packages] [Bug 1630417] Re: the control center chokes on initial number in user name

I come from just trying to document the same bug (I searched first to check something similar but did not find it) The GUI to add a user in Ubuntu allows a username beginning with a number (checked appears ok but call to user creation fails). The reason is that the called Perl script adduser

[Desktop-packages] [Bug 1874688] [NEW] cannot add a user with username beginning with a number

Public bug reported: The GUI to add a user in Ubuntu allows a username beginning with a number (checked appears ok but call to user creation fails). The reason is that the called Perl script adduser does not accept it. This script is configurable in /etc/adduser.conf: # check user and group