On Thu, Aug 4, 2011 at 6:47 PM, apvr <[email protected]> wrote:
> I am using Ubuntu 11.04.
> I am behind a proxy with authentication to connect to the Internet. I
> had set up the system-wide proxy via System Settings. But Synaptic
> Package Manager did not take the proxy. So I configured the settings
> in the Synaptic for the proxy and auth. It worked.
>
> Now the proxy's username and password got changed. I updated the
> proxy and auth in both Synaptic and System-wide settings. But when I
> reload or install any packages in Synaptic, it is now throwing this error.
>
> "Failed to fetch http://extras.ubuntu.com/ubuntu/dists/natty/main/
> binary-i386/Packages  407  Proxy Authentication Required"
>
> Then I tried setting the http, ftp and https proxies in /etc/apt/apt.conf
> file in the format.
> Acquire::http::Proxy "http://username:password@proxy:port/";;
> Acquire::ftp::Proxy "ftp://username:password@proxy:port/";;
> Acquire::https::Proxy "https://username:password@proxy:port/";;
>
> Now I tried apt-get install. It also threw the same error.
>
> Note that there is no problem with the proxy server, as I am able to
> access the Internet via Firefox.
>
> Could anyone help on this ?

Does apt-get work from command line? Did you check again if you have
updated username and password in Synaptic? Also, have you checked for
typos?


-- 
With Regards,
Mehul Ved
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