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编辑 resolv.conf 时出错

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编辑 resolv.conf 时出错

使用 root 权限，我编辑/etc/resolv.conf要添加的 内容nameserver 8.8.8.8。保存文件给我

"/etc/resolv.conf" E166: Can't open linked file for writing

您有什么想法吗？我想进行编辑，resolv.conf因为 apt-get update 不起作用。

编辑 我正在使用 18.04 LTS 操作系统。

Err:1 http://ir.archive.ubuntu.com/ubuntu bionic InRelease
  Could not resolve 'ir.archive.ubuntu.com'
Err:2 http://ir.archive.ubuntu.com/ubuntu bionic-updates InRelease
  Could not resolve 'ir.archive.ubuntu.com'
Err:3 http://ir.archive.ubuntu.com/ubuntu bionic-backports InRelease    
  Could not resolve 'ir.archive.ubuntu.com'
Err:4 http://security.ubuntu.com/ubuntu bionic-security InRelease       
  Could not resolve 'security.ubuntu.com'
Err:5 http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu bionic InRelease
  Could not resolve 'ppa.launchpad.net'
Reading package lists... Done       
W: Failed to fetch http://ir.archive.ubuntu.com/ubuntu/dists/bionic/InRelease  Could not resolve 'ir.archive.ubuntu.com'
W: Failed to fetch http://ir.archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease  Could not resolve 'ir.archive.ubuntu.com'
W: Failed to fetch http://ir.archive.ubuntu.com/ubuntu/dists/bionic-backports/InRelease  Could not resolve 'ir.archive.ubuntu.com'
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/bionic-security/InRelease  Could not resolve 'security.ubuntu.com'
W: Failed to fetch http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu/dists/bionic/InRelease  Could not resolve 'ppa.launchpad.net'
W: Some index files failed to download. They have been ignored, or old ones used instead.

答案1

我重置了系统并以图形方式登录。我不知道为什么，但它解决了问题。我不再编辑了resolve.conf。

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