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Any way to tunnel apache virtual host to an internal apache?

I am upgrading my server and I have a lot of sites. Since I cannot take my server down for a few days, maybe a week until I manage to migrate all the sites to the new machine, I figured I could migrate them one by one. After migrating one, I would somehow tunnel the requests of that name virtual host to my internal machine. When everything is migrated, I would then switch the machines, update ip's and stuff and everything will work just fine.

however I cannot seem to find a way to do this tunneling. is this at all possible? If not, what alternatives do I have?

thanks.

I think mod_proxy will do the job for you...

cheers

can you give a bit more info?
I tried making a reverse proxy since that's what I understood from googleing that I need.
so I have the following config:

Code:

LoadModule proxy_module modules/mod_proxy.so

LoadModule proxy_http_module modules/mod_proxy_http.so

Include conf/proxy_html.conf

<VirtualHost *:80>

    ServerAdmin root@ciuly.com

    ServerName blog.ciuly.com

    ServerAlias blog.ciuly.com

#    DocumentRoot /www/www.blog.ciuly.com/



    ErrorLog logs/error_log-blog.ciuly.com

    CustomLog logs/access_log-blog.ciuly.com combined



    ProxyRequests off

    ProxyPass / http://192.168.1.2/

    ProxyHTMLURLMap http://192.168.1.2 /

    ProxyPassReverse / http://192.168.1.2/

    ProxyHTMLEnable On

    ProxyHTMLURLMap / http://192.168.1.2/

    RequestHeader unset Accept-Encoding

</VirtualHost>

192.168.1.2 is the new server. 192.168.1.1 is the old server which also acts as a router and has the internet connection on it. the above httpd.conf is on 192.168.1.1

what happens is that I either get a 404 for articles OR I am being redirected to http://192.168.1.2/wp-admin/index.php when logging in instead of http://blog.ciuly.com
(the httpd.conf contains all the other needed stuff for apache I just posted the relevant stuff for this issue)
also, proxy_html.conf is the one from mod_proxy_html (http://apache.webthing.com/) which I installed after the login redirect issue as it is advertised to fix that specific problem and more. after installing that and mod_xml2enc (same site) I started getting 404 everywhere.

any ideas what I am doing wrong?

well, I would guess that mod_proxy can be configured somehow to do the job but I just couldn't and this already wasted 2 days of my time so I am now going to install the needed software for all sites with everything they need and test them "empty" and then take the server offline for a while, migrate the DB and get the server back online. hopefully it won't take long and everything will work fine.

thanks for your input anyway

the simple ProxyPass works for me:

<IfModule mod_proxy.c>
ProxyRequests On
ProxyPass /maverick/ http://maverick.us.tekware/
</IfModule>

Hope that helps
Matt

I bet it works, but what I needed was a reverse proxy ;)