Ubuntu Geek shows you how to upgrade Ubuntu 14.04 to Ubuntu 14.10 Beta 2
Ubuntu 14.10 is the version of the Ubuntu operating system released in October, 2014. The development codename given to this release is "Utopic Unicorn".Upgrade Ubuntu 14.04 to Ubuntu 14.10 Final Beta (Desktop and Server)
Support lifespan for Ubuntu 14.10
Ubuntu 14.10 will be supported for 9 months for Ubuntu Desktop, Ubuntu Server, Ubuntu Core, Kubuntu, Edubuntu, Ubuntu Kylin along with all other flavours.