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第一的

tag-icon • tag-icon 16.04 apt updates
第一的 
W: Target Sources (main/source/Sources) is configured multiple times in /etc/apt/sources.list.d/moka-ubuntu-daily-xenial.list:2 and /etc/apt/sources.list.d/moka-ubuntu-daily-xenial.list:3
W: Target Sources (main/source/Sources) is configured multiple times in /etc/apt/sources.list.d/moka-ubuntu-daily-xenial.list:2 and /etc/apt/sources.list.d/moka-ubuntu-daily-xenial.list:4
W: Target Sources (main/source/Sources) is configured multiple times in /etc/apt/sources.list.d/noobslab-ubuntu-apps-dependencies-xenial.list:2 and /etc/apt/sources.list.d/noobslab-ubuntu-apps-dependencies-xenial.list:3
W: GPG error: http://extras.ubuntu.com/ubuntu precise Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126D3A3E5C1192
W: The repository 'http://extras.ubuntu.com/ubuntu precise Release' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: http://archive.canonical.com/ubuntu/dists/precise/Release.gpg: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)
W: http://us.archive.ubuntu.com/ubuntu/dists/precise-security/InRelease: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)
W: http://us.archive.ubuntu.com/ubuntu/dists/precise-updates/InRelease: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)
W: http://us.archive.ubuntu.com/ubuntu/dists/precise-backports/InRelease: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)
W: http://us.archive.ubuntu.com/ubuntu/dists/precise/Release.gpg: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)
W: The repository 'http://ppa.launchpad.net/webupd8team/jupiter/ubuntu oneiric Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: The repository 'http://ppa.launchpad.net/folke-schwinning/personal/ubuntu xenial Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: The repository 'http://ppa.launchpad.net/noobslab/apps-dependencies/ubuntu xenial Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch http://ppa.launchpad.net/webupd8team/jupiter/ubuntu/dists/oneiric/main/source/Sources  404  Not Found
E: Failed to fetch http://ppa.launchpad.net/folke-schwinning/personal/ubuntu/dists/xenial/main/source/Sources  404  Not Found
E: Failed to fetch http://ppa.launchpad.net/noobslab/apps-dependencies    /ubuntu/dists/xenial/main/source/Sources  404  Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
W: Target Sources (main/source/Sources) is configured multiple times in /etc/apt/sources.list.d/moka-ubuntu-daily-xenial.list:2 and /etc/apt/sources.list.d/moka-ubuntu-daily-xenial.list:3
W: Target Sources (main/source/Sources) is configured multiple times in /etc/apt/sources.list.d/moka-ubuntu-daily-xenial.list:2 and /etc/apt/sources.list.d/moka-ubuntu-daily-xenial.list:4
W: Target Sources (main/source/Sources) is configured multiple times in /etc/apt/sources.list.d/noobslab-ubuntu-apps-dependencies-xenial.list:2 and /etc/apt/sources.list.d/noobslab-ubuntu-apps-dependencies-xenial.list:3

我尝试过解决方案这链接但没有得到解决方案

我尝试安装GRASS GIS、OSGeo 等

答案1

  1. 如果存在多个条目，请进入/etc/apt/sources.list.d并查找并将其删除。moka-ubuntu-daily-xenial.list
  2. noobslab-ubuntu-apps-dependencies-xenial.list同样执行以下步骤。
  3. 线条开始的地方埃，表示错误，请检查URL是否正确。
  4. 对于所有带有西，这些都是警告。根据日志我们可以得出结论，您输入的 URL 无法访问。

答案2

第一的

对于configured multiple times错误，在 中terminal执行以下操作：

ls -al /etc/apt/sources.list.d/moka-ubuntu-daily-xenial.list*

你可能会看到这个：

moka-ubuntu-daily-xenial.list
moka-ubuntu-daily-xenial.list:2
moka-ubuntu-daily-xenial.list:3
moka-ubuntu-daily-xenial.list:4

保留moka-ubuntu-daily-xenial.list它，并删除剩余的 3 个：

sudo rm /etc/apt/source.list.d/moka-ubuntu-daily-xenial.list:2
sudo rm /etc/apt/source.list.d/moka-ubuntu-daily-xenial.list:3
sudo rm /etc/apt/source.list.d/moka-ubuntu-daily-xenial.list:4

第二

对于404 Not Found错误，请参阅我之前对同一问题的回答如何重置更新源

第三

忽略 SHA1 错误。

第四

对于repository can't be authenticated错误，请安装y-ppa-manager并更新 gpg 授权密钥。在 中terminal，输入：

sudo apt-get update
sudo apt-get install y-ppa-manager

然后PPA Manager从 Unity 仪表板开始。

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