当我运行时sudo apt-get update
,我发现了一些错误。错误如下:
W: Failed to fetch cdrom://Ubuntu 13.04 _Raring Ringtail_ - Release amd64 (20130424)/dists/raring/main/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 13.04 _Raring Ringtail_ - Release amd64 (20130424)/dists/raring/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 13.04 _Raring Ringtail_ - Release amd64 (20130424)/dists/raring/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 13.04 _Raring Ringtail_ - Release amd64 (20130424)/dists/raring/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
E: Some index files failed to download. They have been ignored, or old ones used instead.
有人能帮我解释一下为什么我会收到这种错误信息吗?我今天才在我的计算机上发现这个错误信息
答案1
您也可以将此命令复制并粘贴到终端(ctrl+alt+t)以打开终端,然后粘贴:
gksu software-properties-gtk
将打开一个窗口,输入您的用户密码,然后取消选中“其他软件”选项卡下的 CD-ROM 框。完成后关闭程序,它会提示您重新加载源列表,然后执行此操作即可正常工作。