Ubuntu 20.04 TSL换源报错:Err:1 http://mirrors.aliyun.com/ubuntu focal InRelease

Err:1 http://mirrors.aliyun.com/ubuntu focal InRelease
Temporary failure resolving ‘mirrors.aliyun.com’

  • 描述:在Ubuntu 20.04编辑/etc/apt/sources.list文件,更改为阿里源之后,更新执行sudo apt update,

    报错:

    Err:1 http://mirrors.aliyun.com/ubuntu focal InRelease
      Temporary failure resolving 'mirrors.aliyun.com'
    Err:2 http://mirrors.aliyun.com/ubuntu focal-security InRelease
      Temporary failure resolving 'mirrors.aliyun.com'
    Err:3 http://mirrors.aliyun.com/ubuntu focal-updates InRelease
      Temporary failure resolving 'mirrors.aliyun.com'
    
  • 解决:

    修改/etc/resolv.conf,在里边加上如下:

    nameserver 8.8.8.8
    nameserver 114.114.114.114
    

    可以ping通www.baidu.com之后,执行sudo apt update

  • 结果:

    [外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-vPQuVD6r-1652675781267)(1.Win10没有hyper-v解决方案.assets/image-20220512173519825.png)]


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