Ubuntu22.04更换国内镜像源

1 修改流程

Ubuntu采用apt作为软件安装工具，其镜像源列表记录在 /etc/apt/source.list 文件中。

  1. 首先将source.list复制为source.list.bak备份。

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    sudo cp /etc/apt/source.list /etc/apt/source.list.bak

  2. 本文为 Ubuntu 22.04 的阿里云镜像源列表。若为其他版本，将所有jammy更改为其他版本代号即可。

    常用的Ubuntu版本代号如下：

    Ubuntu 22.04：jammy
    Ubuntu 20.04：focal
    Ubuntu 18.04：bionic
    Ubuntu 16.04：xenia

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    sudo vim /etc/apt/source.list

  3. 将文件内容清空，然后复制下方代码粘贴，wq保存退出即可。

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    # 阿里巴巴镜像源
    deb https://mirrors.aliyun.com/ubuntu/ jammy main restricted universe multiverse
    # deb-src https://mirrors.aliyun.com/ubuntu/ jammy main restricted universe multiverse

    deb https://mirrors.aliyun.com/ubuntu/ jammy-security main restricted universe multiverse
    # deb-src https://mirrors.aliyun.com/ubuntu/ jammy-security main restricted universe multiverse

    deb https://mirrors.aliyun.com/ubuntu/ jammy-updates main restricted universe multiverse
    # deb-src https://mirrors.aliyun.com/ubuntu/ jammy-updates main restricted universe multiverse

    # deb https://mirrors.aliyun.com/ubuntu/ jammy-proposed main restricted universe multiverse
    # deb-src https://mirrors.aliyun.com/ubuntu/ jammy-proposed main restricted universe multiverse

    deb https://mirrors.aliyun.com/ubuntu/ jammy-backports main restricted universe multiverse
    # deb-src https://mirrors.aliyun.com/ubuntu/ jammy-backports main restricted universe multiverse
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    # 清华大学镜像源
    # 默认注释了源码仓库，如有需要可自行取消注释
    deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse
    # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse

    deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
    # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse

    deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
    # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse

    deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
    # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse

  4. 修改完成后保存source.list文件，需要执行更新软件包命令后才能生效。

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    sudo apt update

2 镜像链接