Err http://ppa.launchpad.net wheezy/main Sources
  404  Not Found
Err http://ppa.launchpad.net wheezy/main amd64 Packages
  404  Not Found
Hit https://deb.nodesource.com wheezy Release
Err http://ppa.launchpad.net wheezy/main i386 Packages
  404  Not Found
Ign http://ppa.launchpad.net wheezy/main Translation-en
Err http://ppa.launchpad.net wheezy/main Sources
  404  Not Found
Err http://ppa.launchpad.net wheezy/main amd64 Packages
  404  Not Found
Hit https://deb.nodesource.com wheezy/main Sources
Err http://ppa.launchpad.net wheezy/main i386 Packages
  404  Not Found
Ign http://ppa.launchpad.net wheezy/main Translation-en
Hit https://deb.nodesource.com wheezy/main amd64 Packages
Hit https://deb.nodesource.com wheezy/main i386 Packages
Ign https://deb.nodesource.com wheezy/main Translation-en
W: There is no public key available for the following key IDs:
7638D0442B90D010
W: There is no public key available for the following key IDs:
9D6D8F6BC857C906
W: Failed to fetch http://ppa.launchpad.net/ondrej/php5-5.6/ubuntu/dists/wheezy/main/source/Sources  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/ondrej/php5-5.6/ubuntu/dists/wheezy/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/ondrej/php5-5.6/ubuntu/dists/wheezy/main/binary-i386/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu/dists/wheezy/main/source/Sources  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu/dists/wheezy/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu/dists/wheezy/main/binary-i386/Packages  404  Not Found

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