deb-src http://free.nchc.org.tw/ubuntu-ports/ vivid main restricted universe multiverse
deb http://free.nchc.org.tw/ubuntu-ports/ vivid-updates main restricted universe multiverse
# deb-src http://free.nchc.org.tw/ubuntu-ports/ vivid-updates main restricted universe multiverse
deb http://free.nchc.org.tw/ubuntu-ports/ vivid-security main restricted universe multiverse
# deb-src http://free.nchc.org.tw/ubuntu-ports/ vivid-security main restricted universe multiverse
deb http://free.nchc.org.tw/ubuntu-ports/ vivid-backports main restricted universe multiverse
deb-src http://free.nchc.org.tw/ubuntu-ports/ vivid-backports main restricted universe multiverse
安装Ubuntu MATE 15.04 for 树莓派2：http://www.linuxdiyf.com/linux/12083.html
如何在树莓派2运行Ubuntu Snappy Core：http://www.linuxdiyf.com/linux/13612.html
树莓派2安装win10Iot和Ubuntu mate：http://www.linuxdiyf.com/linux/13533.html
怎样从Ubuntu安装树莓派系统（ Raspbian “wheezy”）：http://www.linuxdiyf.com/linux/5425.html