Changes made to
realmd.conf only take affect when joining a domain or realm.
You'll need to either leave and join the domain again, or make the requisite changes to
For example, with
sssd, you would edit
/etc/sssd/sssd.conf and set
If you want to add the default domain suffix so you don't have to type @contoso.com every time you type your username, run
sed -i '/nss,/a default_domain_suffix = CONTOSO.COM' /etc/sssd/sssd.conf