407 Аутентификация прокси-сервера Требуется при попытке установить пакет, но нет прокси-сервера

Следуя этим инструкциям http://docs.mongodb.org/master/tutorial/install-mongodb-on-ubuntu/ о том, как установить mongodb, я получил сообщение об ошибке:

$ sudo apt-get install  mongodb-org
[sudo] password for alex: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  libjpeg62 python-colorama python-distlib python-html5lib
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
  mongodb-org-mongos mongodb-org-server mongodb-org-shell mongodb-org-tools
The following NEW packages will be installed:
  mongodb-org mongodb-org-mongos mongodb-org-server mongodb-org-shell
  mongodb-org-tools
0 upgraded, 5 newly installed, 0 to remove and 15 not upgraded.
Need to get 50.7 MB of archives.
After this operation, 157 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
WARNING: The following packages cannot be authenticated!
  mongodb-org-shell mongodb-org-server mongodb-org-mongos mongodb-org-tools
  mongodb-org
Install these packages without verification? [y/N] y
Err http://repo.mongodb.org/apt/ubuntu/ trusty/mongodb-org/3.0/multiverse mongodb-org-shell amd64 3.0.5
  407  Proxy Authentication Required
Err http://repo.mongodb.org/apt/ubuntu/ trusty/mongodb-org/3.0/multiverse mongodb-org-server amd64 3.0.5
  407  Proxy Authentication Required
Err http://repo.mongodb.org/apt/ubuntu/ trusty/mongodb-org/3.0/multiverse mongodb-org-mongos amd64 3.0.5
  407  Proxy Authentication Required
Err http://repo.mongodb.org/apt/ubuntu/ trusty/mongodb-org/3.0/multiverse mongodb-org-tools amd64 3.0.5
  407  Proxy Authentication Required
Err http://repo.mongodb.org/apt/ubuntu/ trusty/mongodb-org/3.0/multiverse mongodb-org amd64 3.0.5
  407  Proxy Authentication Required
E: Failed to fetch http://repo.mongodb.org/apt/ubuntu/dists/trusty/mongodb-org/3.0/multiverse/binary-amd64/mongodb-org-shell_3.0.5_amd64.deb  407  Proxy Authentication Required

E: Failed to fetch http://repo.mongodb.org/apt/ubuntu/dists/trusty/mongodb-org/3.0/multiverse/binary-amd64/mongodb-org-server_3.0.5_amd64.deb  407  Proxy Authentication Required

E: Failed to fetch http://repo.mongodb.org/apt/ubuntu/dists/trusty/mongodb-org/3.0/multiverse/binary-amd64/mongodb-org-mongos_3.0.5_amd64.deb  407  Proxy Authentication Required

E: Failed to fetch http://repo.mongodb.org/apt/ubuntu/dists/trusty/mongodb-org/3.0/multiverse/binary-amd64/mongodb-org-tools_3.0.5_amd64.deb  407  Proxy Authentication Required

E: Failed to fetch http://repo.mongodb.org/apt/ubuntu/dists/trusty/mongodb-org/3.0/multiverse/binary-amd64/mongodb-org_3.0.5_amd64.deb  407  Proxy Authentication Required

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

no proxy Я иду в Интернет через.