alin@alin-Aspire-5742G:~$ sudo apt-get update && sudo apt-get upgrade
[sudo] password for alin:
Hit http://it.archive.ubuntu.com raring Release.gpg
Hit http://it.archive.ubuntu.com raring-updates Release.gpg
Hit http://ppa.launchpad.net raring Release.gpg
Ign http://extras.ubuntu.com raring Release.gpg
Hit http://ppa.launchpad.net raring Release
Hit http://it.archive.ubuntu.com raring-backports Release.gpg
Ign http://extras.ubuntu.com raring Release
Hit http://it.archive.ubuntu.com raring Release
Hit http://ppa.launchpad.net raring/main i386 Packages
Hit http://it.archive.ubuntu.com raring-updates Release
Hit http://security.ubuntu.com raring-security Release.gpg
Hit http://it.archive.ubuntu.com raring-backports Release
Hit http://it.archive.ubuntu.com raring/main Sources
Hit http://it.archive.ubuntu.com raring/restricted Sources
Hit http://security.ubuntu.com raring-security Release
Hit http://it.archive.ubuntu.com raring/universe Sources
Hit http://it.archive.ubuntu.com raring/multiverse Sources
Hit http://it.archive.ubuntu.com raring/main i386 Packages
Hit http://security.ubuntu.com raring-security/main Sources
Hit http://it.archive.ubuntu.com raring/restricted i386 Packages
Ign http://ppa.launchpad.net raring/main Translation-en_US
Hit http://it.archive.ubuntu.com raring/universe i386 Packages
Ign http://ppa.launchpad.net raring/main Translation-en
Hit http://it.archive.ubuntu.com raring/multiverse i386 Packages
Hit http://security.ubuntu.com raring-security/restricted Sources
Hit http://it.archive.ubuntu.com raring/main Translation-en
Hit http://it.archive.ubuntu.com raring/multiverse Translation-en
Hit http://security.ubuntu.com raring-security/universe Sources
Hit http://it.archive.ubuntu.com raring/restricted Translation-en
Hit http://it.archive.ubuntu.com raring/universe Translation-en
Err http://extras.ubuntu.com raring/main Sources
  404  Not Found
Hit http://security.ubuntu.com raring-security/multiverse Sources
Hit http://it.archive.ubuntu.com raring-updates/main Sources
Err http://extras.ubuntu.com raring/main i386 Packages
  404  Not Found
Hit http://it.archive.ubuntu.com raring-updates/restricted Sources
Ign http://extras.ubuntu.com raring/main Translation-en_US
Hit http://it.archive.ubuntu.com raring-updates/universe Sources
Hit http://security.ubuntu.com raring-security/main i386 Packages
Hit http://it.archive.ubuntu.com raring-updates/multiverse Sources
Ign http://extras.ubuntu.com raring/main Translation-en
Hit http://it.archive.ubuntu.com raring-updates/main i386 Packages
Hit http://it.archive.ubuntu.com raring-updates/restricted i386 Packages
Hit http://security.ubuntu.com raring-security/restricted i386 Packages
Hit http://it.archive.ubuntu.com raring-updates/universe i386 Packages
Hit http://it.archive.ubuntu.com raring-updates/multiverse i386 Packages
Hit http://security.ubuntu.com raring-security/universe i386 Packages
Hit http://it.archive.ubuntu.com raring-updates/main Translation-en
Hit http://it.archive.ubuntu.com raring-updates/multiverse Translation-en
Hit http://security.ubuntu.com raring-security/multiverse i386 Packages
Hit http://it.archive.ubuntu.com raring-updates/restricted Translation-en
Hit http://it.archive.ubuntu.com raring-updates/universe Translation-en
Hit http://it.archive.ubuntu.com raring-backports/main Sources
Hit http://it.archive.ubuntu.com raring-backports/restricted Sources
Hit http://it.archive.ubuntu.com raring-backports/universe Sources
Hit http://it.archive.ubuntu.com raring-backports/multiverse Sources
Hit http://security.ubuntu.com raring-security/main Translation-en
Hit http://it.archive.ubuntu.com raring-backports/main i386 Packages
Hit http://it.archive.ubuntu.com raring-backports/restricted i386 Packages
Hit http://it.archive.ubuntu.com raring-backports/universe i386 Packages
Hit http://it.archive.ubuntu.com raring-backports/multiverse i386 Packages
Hit http://it.archive.ubuntu.com raring-backports/main Translation-en
Hit http://security.ubuntu.com raring-security/multiverse Translation-en
Hit http://it.archive.ubuntu.com raring-backports/multiverse Translation-en
Hit http://it.archive.ubuntu.com raring-backports/restricted Translation-en
Hit http://it.archive.ubuntu.com raring-backports/universe Translation-en
Hit http://security.ubuntu.com raring-security/restricted Translation-en
Hit http://security.ubuntu.com raring-security/universe Translation-en
Ign http://it.archive.ubuntu.com raring/main Translation-en_US
Ign http://it.archive.ubuntu.com raring/multiverse Translation-en_US
Ign http://it.archive.ubuntu.com raring/restricted Translation-en_US
Ign http://it.archive.ubuntu.com raring/universe Translation-en_US
Ign http://it.archive.ubuntu.com raring-updates/main Translation-en_US
Ign http://it.archive.ubuntu.com raring-updates/multiverse Translation-en_US
Ign http://it.archive.ubuntu.com raring-updates/restricted Translation-en_US
Ign http://it.archive.ubuntu.com raring-updates/universe Translation-en_US
Ign http://it.archive.ubuntu.com raring-backports/main Translation-en_US
Ign http://it.archive.ubuntu.com raring-backports/multiverse Translation-en_US
Ign http://it.archive.ubuntu.com raring-backports/restricted Translation-en_US
Ign http://it.archive.ubuntu.com raring-backports/universe Translation-en_US
Ign http://security.ubuntu.com raring-security/main Translation-en_US
Ign http://security.ubuntu.com raring-security/multiverse Translation-en_US
Ign http://security.ubuntu.com raring-security/restricted Translation-en_US
Ign http://security.ubuntu.com raring-security/universe Translation-en_US
W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/raring/main/source/Sources  404  Not Found

W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/raring/main/binary-i386/Packages  404  Not Found

E: Some index files failed to download. They have been ignored, or old ones used instead.