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ubuntu14.4下载软件仓库失败

时间:2017-06-15 出处:系统之家 复制分享 人气(次) 【

今天在linux上执行命令行:
sudo apt-get update 

时出现了以下的错误信息:

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-Kylin 14.04 LTS _Trusty Tahr_ - Release amd64 (20140417.1)/dists/trusty/multiverse/binary-amd64/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-Kylin 14.04 LTS _Trusty Tahr_ - Release amd64 (20140417.1)/dists/trusty/restricted/binary-amd64/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-Kylin 14.04 LTS _Trusty Tahr_ - Release amd64 (20140417.1)/dists/trusty/universe/binary-amd64/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-Kylin 14.04 LTS _Trusty Tahr_ - Release amd64 (20140417.1)/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-Kylin 14.04 LTS _Trusty Tahr_ - Release amd64 (20140417.1)/dists/trusty/multiverse/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-Kylin 14.04 LTS _Trusty Tahr_ - Release amd64 (20140417.1)/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 cdrom://Ubuntu-Kylin 14.04 LTS _Trusty Tahr_ - Release amd64 (20140417.1)/dists/trusty/universe/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
, E:Some index files failed to download. They have been ignored, or old ones used instead.


问题所在:

原来我把“Cdrom with Ubuntu 14.04 ‘Trusty Tahr’”选择了,而我没有挂载光盘,取消选择重新运行命令行:sudo apt-get update,得到如下结果:

不报错了。


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