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how to set proxy for rpm and yum

I am trying to follow the "fedorafaq.org" instruction to set up yum. I was able to set proxy for wget through /etc/wgetrc and did
"wget http://www.fedorafaq.org/samples/yum.conf". It went well.
When I try
rpm -Uvh http://www.fedorafaq.org/yum http://rpm.livna.org/livna-release-5.rpm

PHP Code:




I got this error message:  
Retrieving http://www.fedorafaq.org/yum 
error: skipping http://www.fedorafaq.org/yum - transfer failed - Unknown or unexpected error 
Retrieving http://rpm.livna.org/livna-release-5.rpm 
error: skipping http://rpm.livna.org/livna-release-5.rpm - transfer failed - Unknown or unexpected error 
rpm: url.c:103: XurlFree: Assertion `u && u->magic == 0xd00b1ed0' failed. 
Aborted

It probably the proxy issue. How do set it up?
I did try downloading "yum" and "livina-release-5.rpm" and issued
"rpm yum livina-release-5.rpm" (is this the same thing as using "rpm http://..."?). It went well, but yum still does not work. I did put proxy, proxy_username, proxy_password in yum.conf. Does the location matter in that file?
Here is part of the error message when I issue "yum list available"

PHP Code:




Loading "installonlyn" plugin 
Setting up repositories 
livna                                                                [1/7] 
http://rpm.livna.org/fedora/5/x86_64/repodata/repomd.xml: [Errno 4] IOError: <urlopen error nonnumeric port: '8080?'> 
Trying other mirror.

execute the following command

Code:

# export http_proxy=http://you_proxy_server:port

From the Unofficial Fedora FAQ:

For more info about yum, see the yum project page. (Thanks to Ron Kuris for this tip.)

To get yum through a proxy, see the Fedora documentation about yum and proxies.

BTW: if you just want to display a code box rather than the colorful php-code box, just use "code" in square brackets.

Thanks,
Now I got it work by setting: export http_proxy=http://username:password@proxyserver:8080/.
It seems the only way. I tried setting proxy in GNOME, in yum.conf, and creating script file setting http_proxy. They all didn't work. Why this scrip does not work?

Quote:

http_proxy=http://username:password@proxyserver:8080/
export http_proxy

It seems perfectly the same as the above command line.
Anybody bother to tell me why?

Quote:

Originally Posted by sammy11

How do you execute the script if it is ./script_name it won't work you have to do "source script_name"