Ubuntu更换为国内镜像源

本文详细介绍了如何将Ubuntu18.04的默认源更换为国内镜像源,包括中科大源、阿里源、163源和清华源等,通过编辑sources.list文件并更新源,有效提升软件包的下载速度。

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国内有很多Ubuntu的镜像源,包括阿里的、网易的,还有很多教育网的源,比如:清华源、中科大源。
我们这里以中科大的源为例讲解如何修改Ubuntu 18.04里面默认的源。
编辑/etc/apt/sources.list文件, 在文件最前面添加以下条目(操作前请做好相应备份):

中科大源

deb https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb-src 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-src 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-src 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-src 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-proposed main restricted universe multiverse123456789101112

然后执行命令:

sudo apt-get update
sudo apt-get upgrade12

其他几份国内源如下:

阿里源

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 multiverse12345678910

163源

deb http://mirrors.163.com/ubuntu/ bionic main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ bionic-security main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ bionic-backports main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ bionic main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ bionic-security main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ bionic-backports main restricted universe multiverse12345678910

清华源

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb-src 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-src 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-src 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-src 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-proposed main restricted universe multiverse


摘自:https://blog.youkuaiyun.com/xiangxianghehe/article/details/80112149

### Ubuntu 20.04 更换国内镜像源方法 在使用 Ubuntu 20.04 的过程中,如果遇到通过原生镜像源下载软件速度较慢的情况,可以考虑更换国内镜像源。以下是具体的实现方式: #### 方法一:通过图形界面更换镜像源 对于拥有图形化操作环境的用户来说,可以通过以下简单的方式完成镜像源的切换: 1. 打开 **“软件和更新”** 工具。 2. 在弹出窗口中找到 **“下载自”** 或者类似的选项卡。 3. 将默认的选择更改为国内的服务器,例如清华大学开源镜像站或阿里云镜像站点。 此过程无需额外输入命令即可快速完成配置调整[^2]。 #### 方法二:手动修改 `sources.list` 文件 当系统未提供完整的桌面环境时,则需采用命令行方式进行设置。具体步骤如下所示: 1. 安装文本编辑工具(如 Vim),以便后续能够顺利打开并编辑相关文件: ```bash sudo apt-get update && sudo apt-get install vim -y ``` 2. 调整 `/etc/apt/sources.list` 文件权限使其具备写入能力: ```bash sudo chmod 777 /etc/apt/sources.list ``` 3. 使用选定的文本编辑器加载该列表文档进行内容替换工作: ```bash vim /etc/apt/sources.list ``` 4. 清除原有条目并将新的清华或者阿里云等适合本地网络状况较好的资源链接粘贴进去;以清华为例其基本格式可能类似于这样: ``` deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse deb-src http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse ``` 注意上述每一条记录都对应着不同类型的包仓库位置说明[^3][^4]。 5. 保存所做的更改之后退出编辑模式,并运行下面两条指令来刷新缓存以及验证新设定是否生效正常: ```bash sudo apt clean all && sudo apt update ``` 完成以上全部流程后即成功替换了原有的国外官方远端存储库至更快捷稳定的中国境内替代方案之一——清华大学开源软件镜像服务。
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