I've been running Mint for over a year now and I'm pretty sure that xorg, kernel and firefox have had updates in that time. On my current Linux Mint install (w

I've been running Mint for over a year now and I'm pretty sure that xorg, kernel and firefox have had updates in that time. On my current Linux Mint install (which is less than a year old and not heavily customized), my /etc/apt/sources.list.d has the following line: deb http://security.ubuntu.com/ubuntu/ raring-security main restricted universe multiverse I'm not sure about the bootloader, but I'm pretty sure I've gotten kernel, X and Firefox updates between major releases. I'm going to say this person's working with outdated or incorrect information, and/or security.ubuntu.com somehow got removed from his local installation.