1、gedit：cannot open display
derek@vbox:/home$ sudo gedit
Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused
(gedit:24385): Gtk-WARNING **: cannot open display: :0
derek@vbox:/home$ xhost +
access control disabled, clients can connect from any host
2、解压： http://www.cnblogs.com/soul-stone/p/6798716.html
3、安装samba： http://www.cnblogs.com/soul-stone/p/6158442.html
4、安装ssh： http://www.cnblogs.com/soul-stone/p/6158432.html
5、安装java： http://www.cnblogs.com/soul-stone/p/7967930.html
6、git命令行：http://www.cnblogs.com/soul-stone/p/6901214.html
7、shell语法：http://www.cnblogs.com/soul-stone/p/6886130.html
8、GDB命令：http://www.cnblogs.com/soul-stone/p/6131069.html
