Ubuntu18.04更换国内源（阿里，网易，中科大，清华等源）

1.备份

备份/etc/apt/sources.list文件

1	mv  /etc/apt/sources .list  /etc/apt/sourses .list.backup

2.新建

新建/etc/apt/sources.list文件并添加如下内容

在root管理员下

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// 切换到管理员 sudo  su // 新建文件并写入 vi  /etc/apt/sources .list

2.1 阿里源：

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deb http: //mirrors .aliyun.com /ubuntu/  bionic main restricted universe multiverse deb http: //mirrors .aliyun.com /ubuntu/  bionic-security main restricted universe multiverse deb http: //mirrors .aliyun.com /ubuntu/  bionic-updates main restricted universe multiverse deb http: //mirrors .aliyun.com /ubuntu/  bionic-proposed main restricted universe multiverse deb http: //mirrors .aliyun.com /ubuntu/  bionic-backports main restricted universe multiverse deb-src http: //mirrors .aliyun.com /ubuntu/  bionic main restricted universe multiverse deb-src http: //mirrors .aliyun.com /ubuntu/  bionic-security main restricted universe multiverse deb-src http: //mirrors .aliyun.com /ubuntu/  bionic-updates main restricted universe multiverse deb-src http: //mirrors .aliyun.com /ubuntu/  bionic-proposed main restricted universe multiverse deb-src http: //mirrors .aliyun.com /ubuntu/  bionic-backports main restricted universe multiverse

2.2 其它源

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#清华源 deb https: //mirrors .tuna.tsinghua.edu.cn /ubuntu/  bionic main restricted universe multiverse deb https: //mirrors .tuna.tsinghua.edu.cn /ubuntu/  bionic-updates main restricted universe multiverse deb https: //mirrors .tuna.tsinghua.edu.cn /ubuntu/  bionic-backports main restricted universe multiverse deb https: //mirrors .tuna.tsinghua.edu.cn /ubuntu/  bionic-security main restricted universe multiverse deb https: //mirrors .tuna.tsinghua.edu.cn /ubuntu/  bionic-proposed main restricted universe multiverse deb-src https: //mirrors .tuna.tsinghua.edu.cn /ubuntu/  bionic main restricted universe multiverse deb-src https: //mirrors .tuna.tsinghua.edu.cn /ubuntu/  bionic-updates main restricted universe multiverse deb-src https: //mirrors .tuna.tsinghua.edu.cn /ubuntu/  bionic-backports main restricted universe multiverse deb-src https: //mirrors .tuna.tsinghua.edu.cn /ubuntu/  bionic-security main restricted universe multiverse deb-src https: //mirrors .tuna.tsinghua.edu.cn /ubuntu/  bionic-proposed main restricted universe multiverse   #中科大源 deb https: //mirrors .ustc.edu.cn /ubuntu/  bionic main restricted universe multiverse deb https: //mirrors .ustc.edu.cn /ubuntu/  bionic-updates main restricted universe multiverse deb https: //mirrors .ustc.edu.cn /ubuntu/  bionic-backports main restricted universe multiverse deb https: //mirrors .ustc.edu.cn /ubuntu/  bionic-security main restricted universe multiverse deb https: //mirrors .ustc.edu.cn /ubuntu/  bionic-proposed main restricted universe multiverse deb-src https: //mirrors .ustc.edu.cn /ubuntu/  bionic main restricted universe multiverse deb-src https: //mirrors .ustc.edu.cn /ubuntu/  bionic-updates main restricted universe multiverse deb-src https: //mirrors .ustc.edu.cn /ubuntu/  bionic-backports main restricted universe multiverse deb-src https: //mirrors .ustc.edu.cn /ubuntu/  bionic-security main restricted universe multiverse deb-src https: //mirrors .ustc.edu.cn /ubuntu/  bionic-proposed main restricted universe multiverse

 

2.3 扩展

Ubuntu 官方（歐洲，國內較慢，無同步延遲）http://archive.ubuntu.com/ubuntu/

Ubuntu 官方中國（目前是阿里云）http://cn.archive.ubuntu.com/ubuntu/

網易（廣東廣州電信/聯通千兆雙線接入）http://mirrors.163.com/ubuntu/

搜狐（山東聯通千兆接入）http://mirrors.sohu.com/ubuntu/

阿里云（北京萬網/浙江杭州阿里云服務器雙線接入）http://mirrors.aliyun.com/ubuntu/

详情见：http://wiki.ubuntu.org.cn/模板:18.04source

3 更新

更改完成以后执行如下命令 

1 2	apt update apt upgrade

4 参考

4.1 Ubuntu18.04更换国内源

4.2  apt-get 软件源文件格式以及ubuntu 18.04更换阿里源 (源内容格式的原理)　

4.3 ubuntu中文模板源