Ubuntu – How to configure apt to use a Proxy.pac file

10.10aptPROXY

So I have a proxy.pac file at work (it doesn't have a username or password) it's just a simple .pac file.

I've gotten it to work with Chrome so I can surf the web, but apt-get and update do not work. How would I go about making this work?

Im on 10.10 btw.

Best Answer

In system --> preferences --> network proxy, enable Automatic proxy configuration and enter the URL of the PAC.

Then press apply system wide, and that should do the trick.

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Ubuntu – How to configure apt-get to use a Pac file for a proxy

I do not know if APT is able to use a PAC file directly but you can (with quite a bit of work/understanding) extract the relevant proxy information from the PAC file itself and use this information to configure APT to use a HTTP proxy.

The PAC file essentially consists of a JavaScript function. The return statement (one or more) of the function returns the proxy server address and port, for example:

return "PROXY proxy.some.site:8080; DIRECT";

Just look at your PAC file by entering its address in a browser. With this information you can create an APT configuration file:

sudo gedit /etc/apt/apt.conf.d/proxy

You should modify the file so that it contains the following information:

Acquire::http::Proxy "http://proxy.some.site:8080";

Save the file and the next apt-get run should use the configured proxy setting.

It would be nice if APT could work with PAC files because we also use them in our company. Perhaps somebody else knows if/how it works...

The Ubuntu Wiki Page for AptGet also has some hints how to configure a proxy for APT.

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Ubuntu – How to configure apt-get to use a Pac file for a proxy

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