[ILUG] IP Number - where is it held?

[John Allen]

"Ryan, Philip" wrote:

> Hello Folks
>
> We're looking for where LINUX stores it's IP address.
>

Try /etc/sysconfig/network-scripts/ifcfg-eth0

Where the 0 is the number of the ethernet card you want the ip for.

Also try /sbin/ifconfig eth0 to get the config for a card without
having to know what file contains the config.

>
> Our initial thinking was that /etc/sysconfig/network is sourced at boot time
> by /etc/rc.d/init.d/inet which uses the value of $HOSTNAME to do a lookup in
> /etc/hosts to establish the IP address.
>
> This has proven to be false.
>
> >From further investigation I'm concluding that LINUX is similar to AIX in
> that via SMIT on AIX, one adds or changes the IP address and this change is
> reflected in /etc/hosts & written to the ODM. Whereas on LINUX, one updates
> the IP address via linuxconf and this change is written to some binary
> somewhere but not reflected in /etc/hosts (feature in linuxconf-1.16r10-2
> ?????).
>
> Any pointers on which file linuxconf writes to?
>
> Rgs
>
> Phil
>
> __________________________________________
>
> Phil Ryan @ FISC-Ireland Ltd. / Fidelity Investments, Operations group.
> Email  :                Philip.Ryan at fid-intl.com
>
> FISC - Ireland Ltd., .registered in Ireland no. 245656.  Registered office:
> FISC Ireland LTD / Fidelity Investments Hardwicke House Upper Hatch Street
> Dublin 2 Rep of Ireland. Telephone +353-1-6145400.  Any comments or
> statements made are not necessarily those of Fidelity Investments, its
> subsidiaries, or affiliates
> __________________________________________
>
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