Ayuda porfavor

yo instale dolphin en mi web hosting pero me sale este mensaje que puedo a ser

safe_mode is On, disable it
Please go to the
Dolphin Troubleshooter
and solve the problem.

Ayuda quiro probar este sistema

Contact your host server and ask then to set up your safe_mode to OFF
you can read more here:
http://www.boonex.com/trac/dolphin/wiki/DolTech in Server Requirements

You can edit your php.ini and set this to off. After that restart your apache.

php.ini can be found in /etc/php.ini or /usr/local/lib/php.ini

thanks for your help and find the file but I can not edit the owner is root and do not know how to switch the users