[Yum] Tunneling yum connections through ssh's SOCKS proxy.

[Seth Vidal]

On Fri, 14 Aug 2009, Daniel Fishman wrote:

> Hello everybody,
> 
> My machine (A) is located on a lan behind a firewall, and the only way outside is ssh.
> I have another machine (B) outside the lan. B has ssh server, and I can ssh from A to B.
> 
> In order to be able to perform software updates with yum I set up ssl tunnel from A to B
> using dynamic port forwarding, that is: I ssh from A to B, and ssh client on A serves
> as SOCKS proxy. In addition, SOCKS client wrapper is installed on A (I use dante's
> socksify).
> 
> The mentioned SOCKS proxy works properly, for example I can use the web.
> But when I try to use yum (running 'socksify yum update', for example), it fails to ran
> properly. I see (using ssh's escape characters) that ssh forwards yum's connections,
> but yum tells that either network is unreachable or that connection timed out.
> 
> 
> That is what I get from yum:
> 
> --------------------------------------------------------------------
> [root at centos .ssh]# socksify yum update
> Loaded plugins: fastestmirror
> Loading mirror speeds from cached hostfile
>  * base: ftp.plusline.de
>  * updates: mirror.netcologne.de
>  * addons: ftp.plusline.de
>  * extras: mirror.silyus.net
> http://ftp.plusline.de/centos/5.3/os/i386/repodata/repomd.xml: [Errno 4] IOError: <urlopen error (114, 'Operation already
> in progress')>

I bet this is a behavior b/c of how the tunneling works and how 
fastestmirror works.

disable fastestmirror and try it again.

-sv