How do I set up ip aliases for virtual web servers?

I am new to Linux (just installed it few weeks since) and I want to get the machine to answer to additional ip addresses and run virtual servers with apache.  Is there a comprehensive guide to this anywhere?  I have read the mini-HowTo on ipaliasing but its not very clear to me (being a newbie!)  and I really need a step-by step guide.  I haven't a clue how to re-compile the kernal or set up modules.  Any help appreciated.
(I am using the latest Debian distribution).

keeffAsked:
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davidzonCommented:
I assume you are on an ethernet line -- use ifconfig to alias IP's (see man ifconfig for more info) and use the Apache httpd.conf (pico it) and its VERY self-explanatory -- simply add the hostnames you want it to answer to...

Tell me if this helps...

-- VSD

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keeffAuthor Commented:
I used
ifconfig eth0:0 xxx.xxx.xxx.xxx

and got
SIOCSIFADDR: NO such device

I understand this has something to do with the kernel or a missing module, but I don't know where to start with this.

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davidzonCommented:
Hmmmm..... ifconfig eth0:1 xxx.xxx.xxx.xxx

Try that

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keeffAuthor Commented:
Just did...  exactly the same thing happened!
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davidzonCommented:
I am on BSDI -- so I may be wrong, but take a look at man ifconfig, specifically the ALIAS option -- see if that helps anything...

I think thats what you need :)

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keeffAuthor Commented:
Can't find any reference to an ALIAS option in man ifconfig - must be differant on this system.


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davidzonCommented:
What is the system you're using?  Linux?

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keeffAuthor Commented:
Debian Linux 1.3 distribution
idconfig options are:
interface, up, down, [-]arp, [-]trailers, [-]promisc, [-]allmulti, metric N, mtu N, dstaddr addr, netmask addr, irq addr, [-]broadcast addr, [-]pointtopoint addr, hw, multicast, address
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