How to reset the admin password for ISPConfig 3

If you have the root login for that server, then its easy to find MySQL password, you can find that information a ISPConfig 3 config file.

cat /usr/local/ispconfig/server/lib/mysql_clientdb.conf

<?php
$clientdb_host = ‘localhost’;
$clientdb_user = ‘root’;
$clientdb_password = ‘VerySecurePassword’;
?>

You can now log into you MySQL server with the information extracted from mysql_clientdb.conf:

mysql -h localhost -p dbispconfig

Then run:

UPDATE sys_user SET passwort = md5('YourNewPassword') WHERE username = 'admin';

FLUSH PRIVILEGES;

quit;

You can now log into your ISPConfig 3 web interface with your new admin password.