进入系统之后更新系统，个人比较喜欢vim编辑器，所以首先下载vim编辑器。
sudo apt-get update sudo apt-get install vim #编辑器 看个人喜好 sudo apt-get install openssh-server #远程连接工具
更改国内下载源：
######阿里云源： deb http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse
######中科大源： deb http://debian.ustc.edu.cn/ubuntu/ trusty main multiverse restricted universe deb http://debian.ustc.edu.cn/ubuntu/ trusty-backports main multiverse restricted universe deb http://debian.ustc.edu.cn/ubuntu/ trusty-proposed main multiverse restricted universe deb http://debian.ustc.edu.cn/ubuntu/ trusty-security main multiverse restricted universe deb http://debian.ustc.edu.cn/ubuntu/ trusty-updates main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ trusty main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ trusty-backports main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ trusty-proposed main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ trusty-security main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ trusty-updates main multiverse restricted universe
######清华源: deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-security main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-backports main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-proposed main restricted universe multiverse deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty main restricted universe multiverse deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-security main restricted universe multiverse deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-updates main restricted universe multiverse deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-backports main restricted universe multiverse deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-proposed main restricted universe multiverse
