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sunny5280
May 8th, 2011, 08:13 PM
I recently installed Ubuntu 9.04 and I'm having issues with apt-get and proxy configuration.

Upon initial install I attempted to set the proxy configuration through the GUI and opted for the "manual proxy" configuration. Part way through entering the proxy server name I decided to use the "automatic proxy" configuration option instead. I checked this radio box and entered the URL to automatically configure the proxy information.

At this point everything seeemed to work fine. I ran "apt-get update" and, partway through the update process, I decided to abort the update by pressing control-c. Now I am unable to use apt-get to perform any updates. It gives me several errors stating it is unable to resolve "www" (which is the partial name of the proxy server I began to enter before deciding to use the auto configuration option).

No problem I thought...I'll just go into "/etc/apt/apt.conf" and change the name. Except the name in the apt.conf file is correct. I brought up "synaptic" and changed the network configuration there (as it had the same issue) and now synaptic works fine. I am also able to use the GUI Update Manager to update my system. Still apt-get update fails. Here is one of the error lines it spits out:



Err http://security.ubuntu.com (http://security.ubuntu.com/) jaunty-security Release.gpg
Could not resolve 'www'


This is repeated with a number of other different URLs. The problem being the "www". As I mentioned earlier it was the part of the proxy server name I initially entered before selecting the "Automatic configuration" option. My question is: Where else do I need to look to change this name? Here is the contents of my /etc/apt/apt.conf file (name changed to a generic name):



user@ubuntu9.04:/etc/apt$ more apt.conf
Acquire::http:proxy "http://my-proxy.mycompany.com:80/";
Acquire::ftp:proxy "ftp://my-proxy.mycompany.com:80/";
Acquire::https:proxy "https://my-proxy.mycompany.com:80/";


These were configured through the GUI with the "Apply system wide" setting. I used the Update Manager to ensure the system is up to date and still I receive the error.

Any help appreciated.

sunny5280
May 10th, 2011, 12:49 AM
Update for future reference. The issue appears to have resolved itself. I am now able to use apt-get without problem. As I did not change anything I can only assume there was a cache issue which expired.