temporarily installing packages via proxy

[Hörmetjan Yiltiz <hyiltiz@gmail.com>]

Hi all,

I installed some firmware introduced via official mirror from Debian, and last time I updated my Debian Testing x86-64 with apt-get upgrade, I end up with this following error:

Setting up firmware-b43-installer (1:017-2) ...
No chroot environment found. Starting normal installation
--2013-07-14 00:48:43--  http://www.lwfinger.com/b43-firmware/broadcom-wl-5.100.138.tar.bz2
Resolving www.lwfinger.com (www.lwfinger.com)... 173.254.28.119
Connecting to www.lwfinger.com (www.lwfinger.com)|173.254.28.119|:80...

Apparently it could not connect to lwfinger.com. And I cannot open the website without my GAppProxy 127.0.0.1:8080.

Yet I still cannot smoothly upgrade via the following command. Then what should I do:
sudo http_proxy=http://127.0.0.1:8080/ apt-get upgrade

P.S. I'd rather not change my files under /etc/apt for this, though that could maybe solve the problem.

​Best,
​

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                                                 The Prophet, Gibran Kahlil Gibran