如何高效地使用 OneNote？
https://www.zhihu.com/question/23094626
数字笔记珍宝 onenote Gem
http://cn.onenotegem.com/license-grant.html
分类：LINUX
1.sudo cp /etc/apt/sources.list /etc/apt/source.list.bk
sudo gedit /etc/apt/sources.list
编辑你的源列表，将原来的内容全部删除，添加下面列表中最适合你的源(163,台湾的速度比较快)
2.sudo apt-get update 更新源列表信息
可以在运行“sudo apt-get update ”时查看一下错误信息，把不能连接的源删除再重新运行
“sudo apt-get update ”。
3.sudo apt-get upgrade 升级
或者用ubuntu自带的更新管理器升级也可
#台湾源
deb http://tw.archive.ubuntu.com/ubuntu/precise main universe restricted multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu/precise main universe restricted multiverse
deb http://tw.archive.ubuntu.com/ubuntu/precise-security universe main multiverse restricted
deb-src http://tw.archive.ubuntu.com/ubuntu/precise-security universe main multiverse restricted
deb http://tw.archive.ubuntu.com/ubuntu/precise-updates universe main multiverse restricted
deb-src http://tw.archive.ubuntu.com/ubuntu/precise-updates universe main multiverse restricted
#网易 （速度很快）
deb http://mirrors.163.com/ubuntu/precise main universe restricted multiverse
deb-src http://mirrors.163.com/ubuntu/precise main universe restricted multiverse
deb http://mirrors.163.com/ubuntu/precise-security universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/precise-security universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/precise-updates universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/precise-proposed universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/precise-proposed universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/precise-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/precise-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/precise-updates universe main multiverse restricted
#骨头源，骨头源是bones7456架设的一个Ubuntu源 ，提供ubuntu,deepin
deb http://ubuntu.srt.cn/ubuntu/precise main universe restricted multiverse
deb-src http://ubuntu.srt.cn/ubuntu/precise main universe restricted multiverse
deb http://ubuntu.srt.cn/ubuntu/precise-security universe main multiverse restricted
deb-src http://ubuntu.srt.cn/ubuntu/precise-security universe main multiverse restricted
deb http://ubuntu.srt.cn/ubuntu/precise-updates universe main multiverse restricted
deb http://ubuntu.srt.cn/ubuntu/precise-proposed universe main multiverse restricted
deb-src http://ubuntu.srt.cn/ubuntu/precise-proposed universe main multiverse restricted
deb http://ubuntu.srt.cn/ubuntu/precise-backports universe main multiverse restricted
deb-src http://ubuntu.srt.cn/ubuntu/precise-backports universe main multiverse restricted
deb-src http://ubuntu.srt.cn/ubuntu/precise-updates universe main multiverse restricted
#mirror.lupaworld.com的源，速度很快
deb http://mirror.lupaworld.com/ubuntu/archive/precise main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu/archive/precise-security main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu/archive/precise-updates main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu/archive/precise-backports main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu/ubuntu-cn/precise main restricted universe multiverse
#ubuntu.cn99.com源（推荐）:
deb http://ubuntu.cn99.com/ubuntu/precise main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/precise-updates main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/precise-security main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/precise-backports main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu-cn/precise main restricted universe multiverse
//教育网源
如果你是在校大学生，可以使用校园网/教育网，就是用教育网的资源吧，中科大，兰大、厦门大学都有很多资源，尤其是支持ipv6的，那更新速度就按兆算了。
中科大：http://mirrors.ustc.edu.cn/
厦门大学：http://mirrors.xmu.edu.cn/howto/
#电子科技大学
deb http://ubuntu.uestc.edu.cn/ubuntu/precise main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/precise-backports main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/precise-proposed main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/precise-security main restricted universe multiverse
deb http://ubuntu.uestc.edu.cn/ubuntu/precise-updates main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/precise main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/precise-backports main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/precise-proposed main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/precise-security main restricted universe multiverse
deb-src http://ubuntu.uestc.edu.cn/ubuntu/precise-updates main restricted universe multiverse
#中国科技大学
deb http://debian.ustc.edu.cn/ubuntu/precise main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/precise-backports restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/precise-proposed main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/precise-security main restricted universe multiverse
deb http://debian.ustc.edu.cn/ubuntu/precise-updates main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/precise main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/precise-backports main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/precise-proposed main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/precise-security main restricted universe multiverse
deb-src http://debian.ustc.edu.cn/ubuntu/precise-updates main restricted universe multiverse
#北京理工大学
deb http://mirror.bjtu.edu.cn/ubuntu/precise main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/precise-backports main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/precise-proposed main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/precise-security main multiverse restricted universe
deb http://mirror.bjtu.edu.cn/ubuntu/precise-updates main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/precise main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/precise-backports main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/precise-proposed main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/precise-security main multiverse restricted universe
deb-src http://mirror.bjtu.edu.cn/ubuntu/precise-updates main multiverse restricted universe
#兰州大学
deb ftp://mirror.lzu.edu.cn/ubuntu/precise main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu/precise-backports main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu/precise-proposed main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu/precise-security main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu/precise-updates main multiverse restricted universe
deb ftp://mirror.lzu.edu.cn/ubuntu-cn/precise main multiverse restricted universe
#上海交通大学
deb http://ftp.sjtu.edu.cn/ubuntu/precise main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/precise-backports main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/precise-proposed main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/precise-security main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu/precise-updates main multiverse restricted universe
deb http://ftp.sjtu.edu.cn/ubuntu-cn/precise main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/precise main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/precise-backports main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/precise-proposed main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/precise-security main multiverse restricted universe
deb-src http://ftp.sjtu.edu.cn/ubuntu/precise-updates main multiverse restricted universe
