How to reset lost admin password in grafana?

Try this solution:

Locate the database file grafana.db. It should be somewhere in /var/lib/grafana.

  • Connect to the database.
    $ sqlite3 /path/to/grafana.db
  • Check for admin login.
    sqlite> select * from user;
  • Update the user’s password.
    update user set password = '59acf18b94d7eb0694c61e60ce44c110c7a683ac6a8f09580d626f90f4a242000746579358d77dd9e570e83fa24faa88a8a6', salt = 'F3FAxVm33R' where login = 'admin';
    *The password is “admin”.