On Thu, Feb 16, 2012 at 12:49:21PM +0530, Amit wrote:
> I am not able to install any packages related to linaro for example
> when I tried that below command
> 
> sudo add-apt-repository ppa:linaro-maintainers/toolchain
> I am getting error like
> Error reading
> https://launchpad.net/api/1.0/~linaro-maintainers/+archive/toolchain:
> <urlopen error [Errno 111] Connection refused>
> 
> But when I use a direct INTERNET connection without proxy its working
> fine.

The problem you're running into is that add-apt-repository is fetching a
GPG key from the Ubuntu keyserver, which is running on port 11371.  You
can indeed punch a hold in the firewall, but you can also just issue

    sudo gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 7BE1F97B

since this is a one-time operation -- once the key is set up
transferring packages is done over regular http.
-- 
Christian Robottom Reis, Engineering VP
Brazil (GMT-3) | [+55] 16 9112 6430 | [+1] 612 216 4935
Linaro.org: Open Source Software for ARM SoCs

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