$ apt-get update > /dev/nullW: Failed to fetch http://deb.debian.org/debian/dists/wheezy/main/binary-amd64/Packages 404 Not FoundW: Failed to fetch http://security.debian.org/debian-security/dists/wheezy/updates/main/binary-amd64/Packages 404 Not Found [IP: 151.101.192.204 80]W: Failed to fetch http://deb.debian.org/debian/dists/wheezy-updates/main/binary-amd64/Packages 404 Not FoundE: Some index files failed to download. They have been ignored, or old ones used instead.ERROR: Job failed: exit code 1