用默认的源，163的源，系统自己找的最快的源都会出现
Ubuntu-Kylin 14.10 32位。。。
网络：长城宽带
详细信息：
W:Failed to fetch cdrom://Ubuntu-Kylin 14.10 _Utopic Unicorn_ - Release i386 (20141022.1)/dists/utopic/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 14.10 _Utopic Unicorn_ - Release i386 (20141022.1)/dists/utopic/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 14.10 _Utopic Unicorn_ - Release i386 (20141022.1)/dists/utopic/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 14.10 _Utopic Unicorn_ - Release i386 (20141022.1)/dists/utopic/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
, W:Failed to fetch http://mirrors.163.com/ubuntu/dists/utopic-updates/main/i18n/Translation-en Hash Sum mismatch
, W:Failed to fetch http://mirrors.163.com/ubuntu/dists/utopic-updates/universe/i18n/Translation-en Hash Sum mismatch
, E:Some index files failed to download. They have been ignored, or old ones used instead.
在终端中使用sudo apt-get update最后显示错误
错误 http://mirrors.163.com utopic/restricted Sources
404 Not Found
下载 307 kB，耗时 14秒 (21.4 kB/s)
W: 无法下载 cdrom://Ubuntu-Kylin 14.10 _Utopic Unicorn_ - Release i386 (20141022.1)/dists/utopic/main/binary-i386/Packages 请使用 apt-cdrom，通过它就可以让 APT 能识别该盘片。apt-get upgdate 不能被用来加入新的盘片。
W: 无法下载 cdrom://Ubuntu-Kylin 14.10 _Utopic Unicorn_ - Release i386 (20141022.1)/dists/utopic/multiverse/binary-i386/Packages 请使用 apt-cdrom，通过它就可以让 APT 能识别该盘片。apt-get upgdate 不能被用来加入新的盘片。
W: 无法下载 cdrom://Ubuntu-Kylin 14.10 _Utopic Unicorn_ - Release i386 (20141022.1)/dists/utopic/restricted/binary-i386/Packages 请使用 apt-cdrom，通过它就可以让 APT 能识别该盘片。apt-get upgdate 不能被用来加入新的盘片。
W: 无法下载 cdrom://Ubuntu-Kylin 14.10 _Utopic Unicorn_ - Release i386 (20141022.1)/dists/utopic/universe/binary-i386/Packages 请使用 apt-cdrom，通过它就可以让 APT 能识别该盘片。apt-get upgdate 不能被用来加入新的盘片。
W: 无法下载 http://mirrors.163.com/ubuntu/dists/utopic/restricted/source/Sources 404 Not Found
W: 无法下载 http://mirrors.163.com/ubuntu/dists/utopic-updates/main/i18n/Translation-en Hash 校验和不符
W: 无法下载 http://mirrors.163.com/ubuntu/dists/utopic-updates/universe/i18n/Translation-en Hash 校验和不符
E: Some index files failed to download. They have been ignored, or old ones used instead.