How to deal with Unknown table engine 'InnoDB' error?

Question

MySQL

Friends! Help who than can!
I worked with sites as always, and suddenly this:
Unknown table engine 'InnoDB'
what to do with it?
when I go through phpmyadmin, I can not connect to any table.
Ruby on rails site, launched via passenger.
Help, please! I'm in panic!

Answer 1

And check if there is a skip-innodb in the config

Answer 2

/etc/init.d/mysql stop
mv /var/lib/mysql/ib_logfile0 /var/lib/mysql/ib_logfile0.bak
mv /var/lib/mysql/ib_logfile1 /var/lib/mysql/ib_logfile1.bak
/etc/ init.d/mysql start
Try this