安装好ubuntu 17.10后，我们发现使用apt-get 安装软件时特别慢，所以需要更换一下软件源。
方法：
1.备份自带源
sudo cp /etc/apt/sources.list ~/sources.list.bak
2.修改源：
把以下内容贴到/etc/apt/sources.list文件中：
# deb cdrom:[Ubuntu 17.04 _Zesty Zapus_ - Release amd64 (20170412)]/ zesty main restricted # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. deb http://mirrors.aliyun.com/ubuntu/ artful main restricted # deb-src http://us.archive.ubuntu.com/ubuntu/ zesty main restricted ## Major bug fix updates produced after the final release of the ## distribution. deb http://mirrors.aliyun.com/ubuntu/ artful-updates main restricted # deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-updates main restricted ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ## review or updates from the Ubuntu security team. deb http://mirrors.aliyun.com/ubuntu/ artful universe # deb-src http://us.archive.ubuntu.com/ubuntu/ zesty universe deb http://mirrors.aliyun.com/ubuntu/ artful-updates universe # deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-updates universe ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu ## security team. deb http://mirrors.aliyun.com/ubuntu/ artful multiverse # deb-src http://us.archive.ubuntu.com/ubuntu/ zesty multiverse deb http://mirrors.aliyun.com/ubuntu/ artful-updates multiverse # deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-updates multiverse ## N.B. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. #deb http://mirrors.aliyun.com/ubuntu/ artful-backports main restricted universe multiverse # deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-backports main restricted universe multiverse ## Uncomment the following two lines to add software from Canonical's ## 'partner' repository. ## This software is not part of Ubuntu, but is offered by Canonical and the ## respective vendors as a service to Ubuntu users. # deb http://archive.canonical.com/ubuntu zesty partner # deb-src http://archive.canonical.com/ubuntu zesty partner# deb cdrom:[Ubuntu 17.04 _Zesty Zapus_ - Release amd64 (20170412)]/ zesty main restricted # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. #deb http://mirrors.aliyun.com/ubuntu/ artful main restricted # deb-src http://us.archive.ubuntu.com/ubuntu/ zesty main restricted ## Major bug fix updates produced after the final release of the ## distribution. #deb http://mirrors.aliyun.com/ubuntu/ artful-updates main restricted # deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-updates main restricted ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ## review or updates from the Ubuntu security team. #deb http://mirrors.aliyun.com/ubuntu/ artful universe # deb-src http://us.archive.ubuntu.com/ubuntu/ zesty universe #deb http://mirrors.aliyun.com/ubuntu/ artful-updates universe # deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-updates universe ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu ## security team. #deb http://mirrors.aliyun.com/ubuntu/ artful multiverse # deb-src http://us.archive.ubuntu.com/ubuntu/ zesty multiverse #deb http://mirrors.aliyun.com/ubuntu/ artful-updates multiverse # deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-updates multiverse ## N.B. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. #deb http://mirrors.aliyun.com/ubuntu/ artful-backports main restricted universe multiverse # deb-src http://us.archive.ubuntu.com/ubuntu/ zesty-backports main restricted universe multiverse ## Uncomment the following two lines to add software from Canonical's ## 'partner' repository. ## This software is not part of Ubuntu, but is offered by Canonical and the ## respective vendors as a service to Ubuntu users. # deb http://archive.canonical.com/ubuntu zesty partner # deb-src http://archive.canonical.com/ubuntu zesty partner
3.更新源
sudo apt-get update
