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软件更新程序：需要安装不受信任的软件包

tag-icon • tag-icon 14.04 updates software-center update-manager
软件更新程序：需要安装不受信任的软件包

我sudo apt-get update在终端中使用命令并得到以下日志，

Reading package lists... Done
W: Failed to fetch archive.ubuntu/ubuntu/dists/trusty/InRelease  
W: Failed to fetch in.archive.ubuntu/ubuntu/dists/trusty/InRelease  
W: Failed to fetch in.archive.ubuntu/ubuntu/dists/trusty-backports/InRelease  
W: Failed to fetch archive.canonical/ubuntu/dists/trusty/InRelease  
W: Failed to fetch extras.ubuntu.com/ubuntu/dists/trusty/InRelease  
W: Failed to fetch in.archive.ubuntu.com/ubuntu/dists/trusty-updates/InRelease  
W: Failed to fetch cdrom://Ubuntu 14.04 LTS _Trusty Tahr_ - Release i386 (20140417)/dists/trusty/main/binary-i386/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
W: Failed to fetch cdrom://Ubuntu 14.04 LTS _Trusty Tahr_ - Release i386 (20140417)/dists/trusty/restricted/binary-i386/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
W: Failed to fetch archive.ubuntu/ubuntu/dists/trusty/Release.gpg  Unable to connect to 192.168.0.2:8080:
W: Failed to fetch in.archive.ubuntu/ubuntu/dists/trusty/Release.gpg  Unable to connect to 192.168.0.2:8080:
W: Failed to fetch in.archive.ubuntu/ubuntu/dists/trusty-backports/Release.gpg  Unable to connect to 192.168.0.2:8080:
W: Failed to fetch in.archive.ubuntu.com/ubuntu/dists/trusty-updates/Release.gpg  Unable to connect to 192.168.0.2:8080:
W: Failed to fetch archive.canonical.com/ubuntu/dists/trusty/Release.gpg  Unable to connect to 192.168.0.2:8080:
W: Failed to fetch extras.ubuntu.com/ubuntu/dists/trusty/Release.gpg  Unable to connect to 192.168.0.2:8080:
W: Some index files failed to download. They have been ignored, or old ones used instead.

答案1

将操作系统的安装 CD 保存在 CDROM 中，然后sudo apt-get update从软件存储库（源）中运行或删除该 CD。

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