samba-tool

samba-tool user list
samba-tool user create john.doe secretPassword '--login-shell /bin/bash' '--company HOME' '--given-name John' '--userou OU=Users,OU=HOME'

samba-tool user setexpiry Administrator --noexpiry

Add domain admin:

$ samba-tool user show john.doe
 
$ samba-tool group listmembers "Domain Admins"
user.name
Administrator
 
$ samba-tool group addmembers "Domain Admins" john.doe