http://www.linuxserve.com/2015/06/how-to-enable-automatic-login-on-debian.html
http://www.cyberciti.biz/faq/howto-configuring-network-interface-cards-on-debian/
(screen)
https://www.linode.com/docs/security/upgrading/upgrade-to-debian-8-jessie
https://dsa.debian.org/howto/upgrade-to-wheezy/
http://www.tuicool.com/articles/nIvQnqJ
https://wiki.debian.org/zh_CN/Backports