Self-post for me as I have already had to re-learn this 3 times now…

Company firewalls and policies can prevent npm and bower installing correctly.

Switching protocols

Some companies will blacklist the git protocol => git://github.com/modulename so we can change this to use http using:

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git config --global url."http://".insteadOf git://

Setting git to use a proxy

If your company runs a proxy, set git to use it. Get your proxy from your IE settings. Set your git config to use the proxy here:

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export HTTP_PROXY=http://mycompanyproxy:port
export HTTPS_PROXY=http://mycompanyproxy:port

git config --global http.proxy http://mycompanyproxy:port
git config --global https.proxy http://mycompanyproxy:port

Bower will need futher updates as it uses lower case settings on the env variables:

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export http_proxy=http://mycompanyproxy:port
export https_proxy=http://mycompanyproxy:port