For Fully Automated Nagios
Go to the Centreon web interface of fully automated nagios.
Select Configuration >Users> nagiosadmin
then you can change the password (Or whatever your admin user name)
Launch this command on the FAN server :
Note: Fully Automated Nagios Centreon Default Password is “nagiosadmin“
Change centreon password from console.
The default login nagiosadmin/nagiosadmin
# mysql centeon2
mysql> update contact set contact_passwd=’426d184e674e6c3020d38bde1d7ed35d’ where contact_alias=’nagiosadmin’;
For Centreon 19.04