I have SonarQube - Version 6.7.1 (build 35068) that I main owner of it. It use local user (not releated to LDAP) and while I want to keep my other details I want to change the displayed name of user. I cannot find how to do it.
You can do this by going to Administration > Security > Users
and using the cog menu at the right of your user’s row.
BTW, you should consider delegating admin privileges to one ore more LDAP users and deleting this account. I do hope you’ve already changed your admin user’s password.