I'm using Ubuntu 15.10 guest on VMWare Player (7.1.3 build-3206955), with Windows 10 as the host OS. I'm able to use Firefox to browse the web inside the guest, however I'm unable to use apt on the terminal. Whenever i invoke the command sudo apt-get update, it gets stuck at 0% [connecting to in.archive.ubuntu.com], finally failing. Also, using sudo apt-get install <package> always results in the package not even being found. On the other hand, using the same commands with the -E flag on sudo makes them work. Can somebody explain what's happening here?

EDIT: I forgot to add that i'm using multiple internet connections; one with proxy and one without. Regular sudo works on the one without proxy but not on the one with it.

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1 Answer

The magic word here is proxy. In your environment you will have proxy information set that allows you to access the internet.

The environment variable http_proxy contains your proxy settings.
Execute echo $http_proxy to see them (maybe $HTTP_PROXY).

If you run sudo <command>, the command will be executed in its own environment as root. If you add the -E option to sudo, the command will be executed as root, but with most of your environment copied over.

You can check that by executing the following three commands:

• env
• sudo env
• sudo -E env

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