I have a warning triangle that my update information is outdated, the last update was 12 days ago. I use Ubuntu 11.10. A run of sudo apt-get update produces the following output:
Ign http://ppa.launchpad.net oneiric InRelease
Ign http://de.archive.ubuntu.com oneiric InRelease
Ign http://de.archive.ubuntu.com oneiric-updates InRelease
Ign http://de.archive.ubuntu.com oneiric-backports InRelease
Ign http://security.ubuntu.com oneiric-security InRelease
Ign http://extras.ubuntu.com oneiric InRelease
Hit http://ppa.launchpad.net oneiric Release.gpg
Get:1 http://de.archive.ubuntu.com oneiric Release.gpg [198 B]
Hit http://security.ubuntu.com oneiric-security Release.gpg
Get:2 http://extras.ubuntu.com oneiric Release.gpg [72 B]
Hit http://ppa.launchpad.net oneiric Release
Hit http://de.archive.ubuntu.com oneiric-updates Release.gpg
Hit http://security.ubuntu.com oneiric-security Release
Hit http://extras.ubuntu.com oneiric Release
Err http://extras.ubuntu.com oneiric Release
Hit http://ppa.launchpad.net oneiric/main Sources
Hit http://de.archive.ubuntu.com oneiric-backports Release.gpg
Hit http://security.ubuntu.com oneiric-security/main Sources
Hit http://ppa.launchpad.net oneiric/main i386 Packages
Ign http://ppa.launchpad.net oneiric/main TranslationIndex
Ign http://linux.dropbox.com oneiric InRelease
Hit http://security.ubuntu.com oneiric-security/restricted Sources
Hit http://security.ubuntu.com oneiric-security/universe Sources
Hit http://security.ubuntu.com oneiric-security/multiverse Sources
Hit http://security.ubuntu.com oneiric-security/main i386 Packages
Hit http://security.ubuntu.com oneiric-security/restricted i386 Packages
Hit http://security.ubuntu.com oneiric-security/universe i386 Packages
Hit http://security.ubuntu.com oneiric-security/multiverse i386 Packages
Hit http://security.ubuntu.com oneiric-security/main TranslationIndex
Hit http://security.ubuntu.com oneiric-security/multiverse TranslationIndex
Hit http://security.ubuntu.com oneiric-security/restricted TranslationIndex
Hit http://security.ubuntu.com oneiric-security/universe TranslationIndex
Hit http://de.archive.ubuntu.com oneiric Release
Hit http://de.archive.ubuntu.com oneiric-updates Release
Ign http://de.archive.ubuntu.com oneiric Release
Hit http://security.ubuntu.com oneiric-security/main Translation-en
Hit http://security.ubuntu.com oneiric-security/multiverse Translation-en
Hit http://linux.dropbox.com oneiric Release.gpg
Hit http://security.ubuntu.com oneiric-security/restricted Translation-en
Hit http://de.archive.ubuntu.com oneiric-backports Release
Hit http://security.ubuntu.com oneiric-security/universe Translation-en
Ign http://de.archive.ubuntu.com oneiric/main Sources/DiffIndex
Ign http://de.archive.ubuntu.com oneiric/restricted Sources/DiffIndex
Ign http://de.archive.ubuntu.com oneiric/universe Sources/DiffIndex
Ign http://de.archive.ubuntu.com oneiric/multiverse Sources/DiffIndex
Ign http://de.archive.ubuntu.com oneiric/main i386 Packages/DiffIndex
Ign http://de.archive.ubuntu.com oneiric/restricted i386 Packages/DiffIndex
Ign http://de.archive.ubuntu.com oneiric/universe i386 Packages/DiffIndex
Ign http://de.archive.ubuntu.com oneiric/multiverse i386 Packages/DiffIndex
Hit http://linux.dropbox.com oneiric Release
Get:3 http://de.archive.ubuntu.com oneiric/main TranslationIndex [3,289 B]
Get:4 http://de.archive.ubuntu.com oneiric/multiverse TranslationIndex [2,265 B]
Hit http://de.archive.ubuntu.com oneiric/restricted TranslationIndex
Get:5 http://de.archive.ubuntu.com oneiric/universe TranslationIndex [2,640 B]
Hit http://de.archive.ubuntu.com oneiric-updates/restricted i386 Packages
Hit http://de.archive.ubuntu.com oneiric-updates/universe i386 Packages
Hit http://de.archive.ubuntu.com oneiric-updates/multiverse i386 Packages
Hit http://de.archive.ubuntu.com oneiric-updates/main TranslationIndex
Hit http://de.archive.ubuntu.com oneiric-updates/multiverse TranslationIndex
Hit http://de.archive.ubuntu.com oneiric-updates/restricted TranslationIndex
Hit http://de.archive.ubuntu.com oneiric-updates/universe TranslationIndex
Hit http://de.archive.ubuntu.com oneiric-backports/main Sources
Hit http://linux.dropbox.com oneiric/main i386 Packages
Ign http://ppa.launchpad.net oneiric/main Translation-en_US
Ign http://ppa.launchpad.net oneiric/main Translation-en
Ign http://linux.dropbox.com oneiric/main TranslationIndex
Hit http://de.archive.ubuntu.com oneiric-backports/restricted Sources
Hit http://de.archive.ubuntu.com oneiric-backports/universe Sources
Hit http://de.archive.ubuntu.com oneiric-backports/multiverse Sources
Hit http://de.archive.ubuntu.com oneiric-backports/main i386 Packages
Hit http://de.archive.ubuntu.com oneiric-backports/restricted i386 Packages
Hit http://de.archive.ubuntu.com oneiric-backports/universe i386 Packages
Hit http://de.archive.ubuntu.com oneiric-backports/multiverse i386 Packages
Hit http://de.archive.ubuntu.com oneiric-backports/main TranslationIndex
Hit http://de.archive.ubuntu.com oneiric-backports/multiverse TranslationIndex
Hit http://de.archive.ubuntu.com oneiric-backports/restricted TranslationIndex
Hit http://de.archive.ubuntu.com oneiric-backports/universe TranslationIndex
Hit http://de.archive.ubuntu.com oneiric/main Sources
Hit http://de.archive.ubuntu.com oneiric/restricted Sources
Hit http://de.archive.ubuntu.com oneiric/universe Sources
Hit http://de.archive.ubuntu.com oneiric/multiverse Sources
Hit http://de.archive.ubuntu.com oneiric/main i386 Packages
Hit http://de.archive.ubuntu.com oneiric/restricted i386 Packages
Hit http://de.archive.ubuntu.com oneiric/universe i386 Packages
Hit http://de.archive.ubuntu.com oneiric/multiverse i386 Packages
Hit http://de.archive.ubuntu.com oneiric/restricted Translation-en
Hit http://de.archive.ubuntu.com oneiric-updates/main Translation-en
Hit http://de.archive.ubuntu.com oneiric-updates/multiverse Translation-en
Hit http://de.archive.ubuntu.com oneiric-updates/restricted Translation-en
Hit http://de.archive.ubuntu.com oneiric-updates/universe Translation-en
Hit http://de.archive.ubuntu.com oneiric-backports/main Translation-en
Hit http://de.archive.ubuntu.com oneiric-backports/multiverse Translation-en
Hit http://de.archive.ubuntu.com oneiric-backports/restricted Translation-en
Hit http://de.archive.ubuntu.com oneiric-backports/universe Translation-en
Err http://de.archive.ubuntu.com oneiric-updates/main Sources
416 Requested Range Not Satisfiable [IP: 141.30.13.30 80]
Err http://de.archive.ubuntu.com oneiric-updates/restricted Sources
416 Requested Range Not Satisfiable [IP: 141.30.13.30 80]
Err http://de.archive.ubuntu.com oneiric-updates/universe Sources
416 Requested Range Not Satisfiable [IP: 141.30.13.30 80]
Err http://de.archive.ubuntu.com oneiric-updates/multiverse Sources
416 Requested Range Not Satisfiable [IP: 141.30.13.30 80]
Err http://de.archive.ubuntu.com oneiric-updates/main i386 Packages
416 Requested Range Not Satisfiable [IP: 141.30.13.30 80]
Ign http://linux.dropbox.com oneiric/main Translation-en_US
Ign http://linux.dropbox.com oneiric/main Translation-en
Fetched 273 B in 2s (91 B/s)
Reading package lists... Done
W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://extras.ubuntu.com oneiric Release: The following signatures were invalid: BADSIG 16126D3A3E5C1192 Ubuntu Extras Archive Automatic Signing Key <
[email protected]>
W: GPG error: http://de.archive.ubuntu.com oneiric Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <
[email protected]>
W:
Failed to fetch http://extras.ubuntu.com/ubuntu/dists/oneiric/Release
W:
Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/oneiric/main/i18n/Index No Hash entry in Release file /var/lib/apt/lists/partial/de.archive.ubuntu.com_ubuntu_dists_oneiric_main_i18n_Index
W:
Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/oneiric/multiverse/i18n/Index No Hash entry in Release file /var/lib/apt/lists/partial/de.archive.ubuntu.com_ubuntu_dists_oneiric_multiverse_i18n_Index
W:
Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/oneiric/universe/i18n/Index No Hash entry in Release file /var/lib/apt/lists/partial/de.archive.ubuntu.com_ubuntu_dists_oneiric_universe_i18n_Index
W:
Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/oneiric-updates/main/source/Sources 416 Requested Range Not Satisfiable [IP: 141.30.13.30 80]
W:
Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/oneiric-updates/restricted/source/Sources 416 Requested Range Not Satisfiable [IP: 141.30.13.30 80]
W:
Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/oneiric-updates/universe/source/Sources 416 Requested Range Not Satisfiable [IP: 141.30.13.30 80]
W:
Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/oneiric-updates/multiverse/source/Sources 416 Requested Range Not Satisfiable [IP: 141.30.13.30 80]
W:
Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/oneiric-updates/main/binary-i386/Packages 416 Requested Range Not Satisfiable [IP: 141.30.13.30 80]
W: Some index files
failed to download. They have been ignored, or old ones used instead.
There are some questions with similar problems, but no one seems
to get these "Range Not Satisfiable" errors. I do not use a proxy, and the network configuration should not have changed since it worked the last time.