reset centos pass:  ro change to rw init=/sysroot/bin/sh -> Ctrl+X -> chroot /sysroot -> passwd root -> exit and reboot 

freepbx in web  ctrl+a and copy keys and in root:  fwconsole unlock xxxxxxxxxxxxxxxx

issabel : sqlite3 /var/www/db/acl.db "UPDATE acl_user SET md5_password='`echo -n newpassword|md5sum|cut -d' ' -f1`' WHERE name='admin'"


Sample: sqlite3 /var/www/db/acl.db "UPDATE acl_user SET md5_password='`echo -n 12345678|md5sum|cut -d' ' -f1`' WHERE name='admin'"