customer want to change username in SC, but in the portal we can't provide such function.
1.Login ServiceCenter with putty.
Username: galaxmanager，login ServiceCenter management
API floating ip
2.Enter to engineer mode
Command “gotoEngineerMode”, default password: Huawei@CLOUD8!
3.Change user name as below command, new_name is
the new user name you already created in system; old_name is old user name in
su -l dbadmin -c"gsql -W Manager@123 -c \"update iam.tbl_iam_user set username='new_name' where username='old_name';\""
Afterchange username, please login with new username and old_name user password to login ServiceCenter.