How do I configure another instance of redis on ubuntu?

I basically want to have 2 instances of redis on Ubuntu. I looked at /etc/init.d/redis-server script and tried to create a new one (redis-server-dev) pointing to another config file (new port etc) but it didn't seem to work.

What is the correct procedure?

Thanks

• Create a new config file /etc/redis/redis-new.conf (copied from redis.conf) and change these fields in the new config
  • pidfile
  • port
  • logfile
  • dir (for the default db)
• Create a new file /etc/init.d/redis-server-new (copied from the file redis-server) and change these fields in the new file
  • name
  • pidfile (same as in the config file in step 1)
  • deamon_args (the path to the config file in step 1).
• Create the needed directorymkdir /var/lib/redis-new (and give it the proper rights chown redis:redis /var/lib/redis-new)
• Make the new file executable: chmod +x /etc/init.d/redis-server-new
• Register the new deamon: update-rc.d redis-server-new defaults

Adding to Dan's answer,

According to this error in the log file we have to create one extra directory

# Can't chdir to '/var/lib/redis-new': No such file or directory

so

mkdir /var/lib/redis-new

Otherwise /etc/init.d/redis-server-new won't start.

Don't forget to add proper rights by

chown redis:redis /var/lib/redis-new