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ubuntu18.04更换软件源(ubuntu20.04 LTS系统默认源sources.list文件的修改)

更多 时间:2022-04-01 00:20:01 类别:服务器 浏览量:1972

ubuntu18.04更换软件源

ubuntu20.04 LTS系统默认源sources.list文件的修改

如果不慎修改了source.list内容,导致一系列错误,建议恢复默认源文件。

  • sudo gedit /etc/apt/sources.list
    
    
  • 然后把下面默认源内容复制进去

    ubuntu20.LTS系统默认源sources.list文件内容

  • #deb cdrom:[Ubuntu 20.04 LTS _Focal Fossa_ - Release amd64 (20200423)]/ focal main restricted
    
    # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
    # newer versions of the distribution.
    deb http://cn.archive.ubuntu.com/ubuntu/ focal main restricted
    # deb-src http://cn.archive.ubuntu.com/ubuntu/ focal main restricted
    
    ## Major bug fix updates produced after the final release of the
    ## distribution.
    deb http://cn.archive.ubuntu.com/ubuntu/ focal-updates main restricted
    # deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-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://cn.archive.ubuntu.com/ubuntu/ focal universe
    # deb-src http://cn.archive.ubuntu.com/ubuntu/ focal universe
    deb http://cn.archive.ubuntu.com/ubuntu/ focal-updates universe
    # deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-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://cn.archive.ubuntu.com/ubuntu/ focal multiverse
    # deb-src http://cn.archive.ubuntu.com/ubuntu/ focal multiverse
    deb http://cn.archive.ubuntu.com/ubuntu/ focal-updates multiverse
    # deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-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://cn.archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse
    # deb-src http://cn.archive.ubuntu.com/ubuntu/ focal-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 focal partner
    # deb-src http://archive.canonical.com/ubuntu focal partner
    
    deb http://security.ubuntu.com/ubuntu focal-security main restricted
    # deb-src http://security.ubuntu.com/ubuntu focal-security main restricted
    deb http://security.ubuntu.com/ubuntu focal-security universe
    # deb-src http://security.ubuntu.com/ubuntu focal-security universe
    deb http://security.ubuntu.com/ubuntu focal-security multiverse
    # deb-src http://security.ubuntu.com/ubuntu focal-security multiverse
    
    # This system was installed using small removable media
    # (e.g. netinst, live or single CD). The matching "deb cdrom"
    # entries were disabled at the end of the installation process.
    # For information about how to configure apt package sources,
    # see the sources.list(5) manual.
    
    
    
  • 可以有效解决很多报错

  • sudo apt update
    
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