Packages

You have to GRANT some privileges (at least for the operating user) to be able to use this package, as the installer does not GRANT them. The operating user requires ALTER, SELECT, INSERT, UPDATE and even DELETE privileges, regardless that the latter is not mentioned by upstream. For installation, INDEX, CREATE, DELETE, and DROP privileges are also required - this can be carried out if you provide the (MySQL) superuser’s credentials to the installer.

Do not forget to rm -rf /var/www/mantis/admin after a successful install to prevent hijacking your bugtracker, and change the default administrator’s password.