一 ，win7下安装ubuntu14.04
1.下载wubi版14.04
2.从iso文件解压出wubi文件；iso文件和wubi在同一目录即可；
3.点击wubi开始安装；
4.安装完成后，进入win7设计启动双菜单；
5.进入grub引导时，按e进入，然后修改ro为rw，按F10进入ubuntu系统；（解决进入系统界面 | 错误）
6.ctrl+alt+t 调出终端；sudo gedit /etc/grub.d/grub_10lupin 文件修改ro为rw；（解决下次进入系统报错问题）
7.重启进入系统；

二，ubuntu14.04升级16.04
使用系统自带升级提示升级；之前使用命令升级出现莫名错误.

三，部分软件安装记录
chrome安装
1.下载https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
2.sudo dpkg -i google-chrome-stable_current_amd64.deb
若：错误发生google-chrome-stable ，先执行sudo apt-get -f install
3.使用“搜索您的计算机”启动google chrome；可以右键锁定到菜单
4.导入hosts:
从https://github.com/googlehosts/hosts/tree/master/hosts-files，导入hosts

源更新：
1.cp /etc/apt/sources.list /etc/apt/sources.list.bak
2.sudo gedit /etc/apt/sources.list 替换内容：

deb cdrom:[Ubuntu 16.04 LTS Xenial Xerus - Release amd64 (20160420.1)]/ xenial main restricted

deb-src http://archive.ubuntu.com/ubuntu xenial main restricted #Added by software-properties
deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted
deb-src http://mirrors.aliyun.com/ubuntu/ xenial main restricted multiverse universe #Added by software-properties
deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted multiverse universe #Added by software-properties
deb http://mirrors.aliyun.com/ubuntu/ xenial universe
deb http://mirrors.aliyun.com/ubuntu/ xenial-updates universe
deb http://mirrors.aliyun.com/ubuntu/ xenial multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-updates multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse #Added by software-properties
deb http://archive.canonical.com/ubuntu xenial partner
deb-src http://archive.canonical.com/ubuntu xenial partner
deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted multiverse universe #Added by software-properties
deb http://mirrors.aliyun.com/ubuntu/ xenial-security universe
deb http://mirrors.aliyun.com/ubuntu/ xenial-security multiverse
3.sudo apt-get update