E: Package uby has no installation candidate
忽略 cdrom://[Debian GNU/Linux 8 _Jessie_ - Official Snapshot i386 LIVE/INSTALL Binary 0117-00:35] jessie InRelease
忽略 cdrom://[Debian GNU/Linux 8 _Jessie_ - Official Snapshot i386 LIVE/INSTALL Binary 0117-00:35] jessie Release.gpg
忽略 cdrom://[Debian GNU/Linux 8 _Jessie_ - Official Snapshot i386 LIVE/INSTALL Binary 0117-00:35] jessie Release
忽略 cdrom://[Debian GNU/Linux 8 _Jessie_ - Official Snapshot i386 LIVE/INSTALL Binary 0117-00:35] jessie/main i386 Packages/DiffIndex
忽略 cdrom://[Debian GNU/Linux 8 _Jessie_ - Official Snapshot i386 LIVE/INSTALL Binary 0117-00:35] jessie/main Translation-zh_CN
忽略 cdrom://[Debian GNU/Linux 8 _Jessie_ - Official Snapshot i386 LIVE/INSTALL Binary 0117-00:35] jessie/main Translation-zh
忽略 cdrom://[Debian GNU/Linux 8 _Jessie_ - Official Snapshot i386 LIVE/INSTALL Binary 0117-00
