How to get super user token from TeamCity server logs?

TeamCity Super user token should be in the teamcity-server.log file.
Execute the below command to view Super user token from the logs file:
tail -f /opt/JetBrains/TeamCity/logs/teamcity-server.log

[2018-04-14 01:31:05,165]   INFO -   jetbrains.buildServer.SERVER - Super user authentication token: "6259483750804166498". To login as Super user use an empty username and this token as a password on the login page.