this being quite not a newbie question, i shall cross post to PLUG \8)

There are several ways to go about this -

1. have your linux box 'face' the net and have several NT boxen behind a
private IP firewall.  Via Linux virtual server (LVS)
(http://www.linuxvirtualserver.org) Your linux box can load balance your
NT boxen.  Additionally, if it detects that one NT box is down it won't
send any requests to it anymore.  With this you can make sure that your
site has 99.999...% uptime.  Another advantage is that you can shield your
NT boxen from the numerous exploits available for NT which the script
kiddies just love to run...

2. What if the linux box goes down?  Using the 'heartbeat' and 'fake'
programs, you can create a 'sidekick' for your linux box, which will
detect if it is down, and if it does, take over the IP address of that
box, and continue on providing the LVS service as if nothing happened.
Cool, yea?

Answering your question directly, if you want a Linux box to 'kick-in' and
provide web service for a downed NT box, why go NT in the first place when
Linux can do it much better?  The only reason i can see for an NT web
server is if your app uses proprietary MS tools like ASP, in which case,
you really need the LVS solution i enumerated above.

HTH!





On Tue, 12 Jun 2001, lito lampitoc wrote:

>
> Can anybody recommend a how-to make a Linux machine automatically kick
> in as a failover machine for http when the NT machine goes down.
>
>
>
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