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Old 04-09-2011, 11:06 PM   #1
siddharth.buddhiraju
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Registered: Apr 2011
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trouble in sudo apt-get update


Hi,

I have just installed Ubuntu 10.10...when I type in sudo apt-get update in the terminal, it flags an error 407: Proxy Authentication Required. My internet connection requires a proxy authentication, that I have already provided (and I'm able to connect to the net via a web browser). I have also configured the proxy in Synaptic...the error message still remains the same.

sudo apt-get install build-essential says E: unable to locate package build-essential.... I need these two commands to get started...please help.
 
Old 04-10-2011, 12:36 AM   #2
paulsm4
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Registered: Mar 2004
Distribution: SusE 8.2
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Hi -

There are several approaches.

1. One is to edit your proxy and authentication info into "/etc/apt/apt.conf":
Quote:
EXAMPLE:
http://ubuntuforums.org/showthread.php?t=96802

sudo vi /etc/apt/apt.conf
Acquire::http::Proxy "http://MYDOMAIN\MYNAME:MYPASS@MY.PROXY.COM:MYPORT"
2. Another approach is to set the environment variable "http_proxy":
Quote:
EXAMPLE:
http://www.unixtutorial.org/2007/09/...-behind-proxy/

export http_proxy=http://usernameassword@proxy:MYPORT
 
1 members found this post helpful.
Old 04-11-2011, 05:09 AM   #3
bsat
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In case the above two links don't solve the problem you can download ntlmaps from
http://sourceforge.net/projects/ntlmaps/

and try out the steps given here
http://ubuntuforums.org/showthread.php?t=765330
 
Old 06-09-2011, 02:43 AM   #4
zakotsi
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Registered: Jun 2011
Distribution: debian lenny, arch
Posts: 15

Rep: Reputation: Disabled
you might need to issue

sudo -E apt-get install ....

so that sudo reads environment variables first which you must set up in advance (typically during installation).
 
  


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