Questions about network configuration

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Hi,

I'm currently reading chapter 13 of the RHEL Deployment Guide, and taking some notes. I have a few minor questions:

/etc/sysconfig/network

According to the doc: "This file specifies routing and host information for all network interfaces."

Here's how mine looks like:

--8<-----------------
NETWORKING=yes
NETWORKING_IPV6=yes
HOSTNAME=fujitsu.zuhause
GATEWAY=192.168.1.254
--8<-----------------

NETWORKING_IPV6= -> I wonder if I can switch that to 'no', since I simple don't use IPV6. Will some apps mysteriously refuse to work when I do this? (You never know...)

HOSTNAME=... -> this looks like a redundancy with information provided in /etc/hosts. So what is it for? Can it be left out?

GATEWAY=... -> another redundancy, since it's also to be found in /etc/sysconfig/network-scripts/ifcfg-<interface>. Leave it out if it's in the individual interface scripts?

More questions to come, but here's a first bunch :o)

Cheers,

Niki

PS: I've started on Linux with Slackware (7.1), hence a habit of configuring my system with Vi rather than some configuration helpers. Even if they do the job as good, it's just a matter of personal taste and habits.
--
Dyslexics have more fnu.
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