MySQL server Upstart script not working on boot Ubuntu running in OpenVZ.

Turns out Upstart start up jobs can have problems on OpenVZ.

Changing:

start on (net-device-up and local-filesystems and runlevel [2345]) 

to:

start on runlevel [2345] 

fixed the problem for me.

Original source    http://askubuntu.com/questions/15222/mysql-server-upstart-script-not-working-on-boot