%20%E6%97%A0%E6%B3%95%E8%8E%B7%E5%8F%96%20cdrom%EF%BC%9A%20(2)%20%E6%97%A0%E6%B3%95%E8%8E%B7%E5%8F%96%20http%3A%2F%2Fppa.launchpad.net%2Fjonls%2F%20.png)
可能重复：
如何使用 PPA 修复 404 错误？
请指导如何解决下面描述的问题：
在 UBUNTU 12.10 中运行更新管理器时收到错误：
W:Failed to fetch cdrom://Ubuntu 11.10 _Oneiric Ocelot_ - Release i386 (20111012)/dists/oneiric/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 11.10 _Oneiric Ocelot_ - Release i386 (20111012)/dists/oneiric/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 http://ppa.launchpad.net/jonls/redshift-ppa/ubuntu/dists/quantal/main/source/Sources 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/jonls/redshift-ppa/ubuntu/dists/quantal/main/binary-i386/Packages 404 Not Found
, E:Some index files failed to download. They have been ignored, or old ones used instead.
运行 sudo apt-get update && sudo apt-get upgrade 时从终端复制：
nnnnnnnnnn:~$ sudo apt-get update && sudo apt-get upgrade
[sudo] password for neeta:
Ign cdrom://Ubuntu 11.10 _Oneiric Ocelot_ - Release i386 (20111012) oneiric InRelease
Ign cdrom://Ubuntu 11.10 _Oneiric Ocelot_ - Release i386 (20111012) oneiric Release.gpg
Ign cdrom://Ubuntu 11.10 _Oneiric Ocelot_ - Release i386 (20111012) oneiric Release
Err cdrom://Ubuntu 11.10 _Oneiric Ocelot_ - Release i386 (20111012) oneiric/main 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
Err cdrom://Ubuntu 11.10 _Oneiric Ocelot_ - Release i386 (20111012) oneiric/restricted 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
Ign cdrom://Ubuntu 11.10 _Oneiric Ocelot_ - Release i386 (20111012) oneiric/main Translation-en_IN
Ign cdrom://Ubuntu 11.10 _Oneiric Ocelot_ - Release i386 (20111012) oneiric/main Translation-en
Ign cdrom://Ubuntu 11.10 _Oneiric Ocelot_ - Release i386 (20111012) oneiric/restricted Translation-en_IN
Ign cdrom://Ubuntu 11.10 _Oneiric Ocelot_ - Release i386 (20111012) oneiric/restricted Translation-en
Ign http://dl.google.com stable InRelease
Ign http://in.archive.ubuntu.com quantal InRelease
Ign http://security.ubuntu.com quantal-security InRelease
Ign http://extras.ubuntu.com oneiric InRelease
Ign http://deb.opera.com stable InRelease
Hit http://dl.google.com stable Release.gpg
Ign http://in.archive.ubuntu.com quantal-updates InRelease
Hit http://security.ubuntu.com quantal-security Release.gpg
Ign http://archive.canonical.com oneiric InRelease
Ign http://ppa.launchpad.net quantal InRelease
Hit http://extras.ubuntu.com oneiric Release.gpg
Hit http://dl.google.com stable Release
Ign http://deb.opera.com stable InRelease
Ign http://in.archive.ubuntu.com quantal-backports InRelease
Hit http://security.ubuntu.com quantal-security Release
Ign http://archive.canonical.com quantal InRelease
Ign http://ppa.launchpad.net natty InRelease
Hit http://extras.ubuntu.com oneiric Release
Hit http://dl.google.com stable/main i386 Packages
Hit http://deb.opera.com stable Release.gpg
Hit http://in.archive.ubuntu.com quantal Release.gpg
Hit http://security.ubuntu.com quantal-security/main Sources
Hit http://archive.canonical.com oneiric Release.gpg
Ign http://ppa.launchpad.net quantal Release.gpg
Hit http://extras.ubuntu.com oneiric/main Sources
Hit http://in.archive.ubuntu.com quantal-updates Release.gpg
Hit http://deb.opera.com stable Release.gpg
Hit http://security.ubuntu.com quantal-security/restricted Sources
Hit http://ppa.launchpad.net natty Release.gpg
Hit http://extras.ubuntu.com oneiric/main i386 Packages
Hit http://in.archive.ubuntu.com quantal-backports Release.gpg
Hit http://deb.opera.com stable Release
Hit http://security.ubuntu.com quantal-security/universe Sources
Ign http://ppa.launchpad.net quantal Release
Hit http://in.archive.ubuntu.com quantal Release
Hit http://security.ubuntu.com quantal-security/multiverse Sources
Hit http://ppa.launchpad.net natty Release
Hit http://deb.opera.com stable Release
Hit http://archive.canonical.com quantal Release.gpg
Hit http://in.archive.ubuntu.com quantal-updates Release
Hit http://security.ubuntu.com quantal-security/main i386 Packages
Hit http://deb.opera.com stable/non-free i386 Packages
Hit http://archive.canonical.com oneiric Release
Hit http://in.archive.ubuntu.com quantal-backports Release
Hit http://security.ubuntu.com quantal-security/restricted i386 Packages
Hit http://archive.canonical.com quantal Release
Hit http://in.archive.ubuntu.com quantal/main Sources
Hit http://security.ubuntu.com quantal-security/universe i386 Packages
Hit http://archive.canonical.com oneiric/partner Sources
Hit http://in.archive.ubuntu.com quantal/restricted Sources
Hit http://security.ubuntu.com quantal-security/multiverse i386 Packages
Hit http://archive.canonical.com oneiric/partner i386 Packages
Hit http://in.archive.ubuntu.com quantal/universe Sources
Hit http://deb.opera.com stable/non-free i386 Packages
Hit http://ppa.launchpad.net natty/main Sources
Ign http://dl.google.com stable/main Translation-en_IN
Hit http://in.archive.ubuntu.com quantal/multiverse Sources
Hit http://security.ubuntu.com quantal-security/main Translation-en
Hit http://ppa.launchpad.net natty/main i386 Packages
Ign http://dl.google.com stable/main Translation-en
Hit http://in.archive.ubuntu.com quantal/main i386 Packages
Hit http://archive.canonical.com quantal/partner i386 Packages
Hit http://in.archive.ubuntu.com quantal/restricted i386 Packages
Ign http://extras.ubuntu.com oneiric/main Translation-en_IN
Hit http://security.ubuntu.com quantal-security/multiverse Translation-en
Hit http://in.archive.ubuntu.com quantal/universe i386 Packages
Ign http://extras.ubuntu.com oneiric/main Translation-en
Hit http://in.archive.ubuntu.com quantal/multiverse i386 Packages
Hit http://security.ubuntu.com quantal-security/restricted Translation-en
Hit http://in.archive.ubuntu.com quantal/main Translation-en
Hit http://security.ubuntu.com quantal-security/universe Translation-en
Hit http://in.archive.ubuntu.com quantal/multiverse Translation-en
Hit http://in.archive.ubuntu.com quantal/restricted Translation-en
Hit http://in.archive.ubuntu.com quantal/universe Translation-en
Hit http://in.archive.ubuntu.com quantal-updates/main Sources
Hit http://in.archive.ubuntu.com quantal-updates/restricted Sources
Hit http://in.archive.ubuntu.com quantal-updates/universe Sources
Hit http://in.archive.ubuntu.com quantal-updates/multiverse Sources
Hit http://in.archive.ubuntu.com quantal-updates/main i386 Packages
Ign http://archive.canonical.com oneiric/partner Translation-en_IN
Ign http://deb.opera.com stable/non-free Translation-en_IN
Hit http://in.archive.ubuntu.com quantal-updates/restricted i386 Packages
Ign http://archive.canonical.com oneiric/partner Translation-en
Ign http://deb.opera.com stable/non-free Translation-en
Hit http://in.archive.ubuntu.com quantal-updates/universe i386 Packages
Ign http://archive.canonical.com quantal/partner Translation-en_IN
Ign http://deb.opera.com stable/non-free Translation-en_IN
Ign http://security.ubuntu.com quantal-security/main Translation-en_IN
Hit http://in.archive.ubuntu.com quantal-updates/multiverse i386 Packages
Ign http://archive.canonical.com quantal/partner Translation-en
Ign http://security.ubuntu.com quantal-security/multiverse Translation-en_IN
Ign http://deb.opera.com stable/non-free Translation-en
Ign http://security.ubuntu.com quantal-security/restricted Translation-en_IN
Err http://ppa.launchpad.net quantal/main Sources
404 Not Found
Ign http://security.ubuntu.com quantal-security/universe Translation-en_IN
Err http://ppa.launchpad.net quantal/main i386 Packages
404 Not Found
Hit http://in.archive.ubuntu.com quantal-updates/main Translation-en
Ign http://ppa.launchpad.net quantal/main Translation-en_IN
Ign http://ppa.launchpad.net quantal/main Translation-en
Hit http://in.archive.ubuntu.com quantal-updates/multiverse Translation-en
Ign http://ppa.launchpad.net natty/main Translation-en_IN
Hit http://in.archive.ubuntu.com quantal-updates/restricted Translation-en
Ign http://ppa.launchpad.net natty/main Translation-en
Hit http://in.archive.ubuntu.com quantal-updates/universe Translation-en
Hit http://in.archive.ubuntu.com quantal-backports/main Sources
Hit http://in.archive.ubuntu.com quantal-backports/restricted Sources
Hit http://in.archive.ubuntu.com quantal-backports/universe Sources
Hit http://in.archive.ubuntu.com quantal-backports/multiverse Sources
Hit http://in.archive.ubuntu.com quantal-backports/main i386 Packages
Hit http://in.archive.ubuntu.com quantal-backports/restricted i386 Packages
Hit http://in.archive.ubuntu.com quantal-backports/universe i386 Packages
Hit http://in.archive.ubuntu.com quantal-backports/multiverse i386 Packages
Hit http://in.archive.ubuntu.com quantal-backports/main Translation-en
Hit http://in.archive.ubuntu.com quantal-backports/multiverse Translation-en
Hit http://in.archive.ubuntu.com quantal-backports/restricted Translation-en
Hit http://in.archive.ubuntu.com quantal-backports/universe Translation-en
Ign http://in.archive.ubuntu.com quantal/main Translation-en_IN
Ign http://in.archive.ubuntu.com quantal/multiverse Translation-en_IN
Ign http://in.archive.ubuntu.com quantal/restricted Translation-en_IN
Ign http://in.archive.ubuntu.com quantal/universe Translation-en_IN
Ign http://in.archive.ubuntu.com quantal-updates/main Translation-en_IN
Ign http://in.archive.ubuntu.com quantal-updates/multiverse Translation-en_IN
Ign http://in.archive.ubuntu.com quantal-updates/restricted Translation-en_IN
Ign http://in.archive.ubuntu.com quantal-updates/universe Translation-en_IN
Ign http://in.archive.ubuntu.com quantal-backports/main Translation-en_IN
Ign http://in.archive.ubuntu.com quantal-backports/multiverse Translation-en_IN
Ign http://in.archive.ubuntu.com quantal-backports/restricted Translation-en_IN
Ign http://in.archive.ubuntu.com quantal-backports/universe Translation-en_IN
W: Failed to fetch cdrom://Ubuntu 11.10 _Oneiric Ocelot_ - Release i386 (20111012)/dists/oneiric/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 11.10 _Oneiric Ocelot_ - Release i386 (20111012)/dists/oneiric/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 http://ppa.launchpad.net/jonls/redshift-ppa/ubuntu/dists/quantal/main/source/Sources 404 Not Found
W: Failed to fetch http://ppa.launchpad.net/jonls/redshift-ppa/ubuntu/dists/quantal/main/binary-i386/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
答案1
使用 GUI 删除引起问题的 CDROM 和 PPA
系统设置-->软件源-->其他软件（选项卡）
您可以取消勾选这些条目，或者Remove全部取消勾选。