%> sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10 [sudo] password for scott: Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --homedir /tmp/tmp.xi6z5b0aRu --no-auto-check-trustdb --trust-model always --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10 gpg: requesting key 7F0CEB10 from hkp server keyserver.ubuntu.com gpg: key 7F0CEB10: public key "Richard Kreuter <richard@10gen.com>" imported gpg: Total number processed: 1 gpg: imported: 1 (RSA: 1) %> echo "deb http://repo.mongodb.org/apt/ubuntu "$(lsb_release -sc)"/mongodb-org/3.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.0.list deb http://repo.mongodb.org/apt/ubuntu rebecca/mongodb-org/3.0 multiverse %> sudo apt-get update ... <not shown> Err http://repo.mongodb.org rebecca/mongodb-org/3.0/multiverse amd64 Packages 404 Not Found Err http://repo.mongodb.org rebecca/mongodb-org/3.0/multiverse i386 Packages 404 Not Found W: Failed to fetch http://repo.mongodb.org/apt/ubuntu/dists/rebecca/mongodb-org/3.0/multiverse/binary-amd64/Packages 404 Not Found W: Failed to fetch http://repo.mongodb.org/apt/ubuntu/dists/rebecca/mongodb-org/3.0/multiverse/binary-i386/Packages 404 Not Found E: Some index files failed to download. They have been ignored, or old ones used instead.