gistfile1.txt

root@9122a744d790:/# service mysql start
start: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
root@9122a744d790:/# ^C
root@9122a744d790:/# /etc/init.d/mysql 
Usage: /etc/init.d/mysql COMMAND
root@9122a744d790:/# /etc/init.d/mysql start
Rather than invoking init scripts through /etc/init.d, use the service(8)
utility, e.g. service mysql start
initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused

Since the script you are attempting to invoke has been converted to an
Upstart job, you may also use the start(8) utility, e.g. start mysql