Debian and Ubuntu Linux: Set openssh SeverKeyBits to 1024 | The upstream openssh project sets the value ServerKeyBits to 1024, but Debian and Ubuntu currently unfortunately have a lower security setting of 768 bits. I’ve filed a bug to fix this. In the meantime, here is how to make that change now!
Starting and Stopping Services at Boot on Ubuntu with Upstart | With Ubuntu pushing ahead to using Upstart, there is a new /etc/init/ directory of the config files. Here is a quick how-to for controlling services with Upstart.