Re: host ip-address change
From: Florian Anwander (spam.interessiert.nicht_at_mnet-online.de)
Date: 06/22/04
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Date: Tue, 22 Jun 2004 13:36:39 +0200
Hi Ari
> What changes I should do and where; I want to change that machines
> IP-address to a completely different ip address range (from C-class to
> B-class).
Basically I'd recommend the following steps:
0.)make everyone exit the machine and stop all applications and
unconfigure them if they are started via rc-mechanism.
If configured on your machine:
- stop sendmail and unconfigure it in /etc/rc.config.d/mailservs.
- stop DNS- or NIS-Server services and unconfigure them in
/etc/rc.config.d/namesvrs.
1.)reduce the name resolution to local name resolution (/etc/hosts only)
/etc/nsswitch.conf has to be set with all lines to "files".
If you do not have /etc/nsswitch.conf, create it for this task.
2.)change the IP-Address with set_parms (reboot definitely recommended).
3.)change external name resolution (DNS or NIS), to give correct
results. Test that the external nameresolution forward and
reverse(!).
3.)extend the name resolution on your machine as it was before
step #1 and test it.
4.)reconfigure services mentioned in step #0 and start them again.
5.)do a final reboot as test.
To step #1:
/etc/nsswitch.conf has to be set with all lines to "files".
If you do not have /etc/nsswitch.conf, create it for this task.
Never change the network settings if you don't have a commandline based
console access.
Never change nameresolution with X as console user interface.
Florian
-- replyto "fanwander AT mnet MINUS online DOT de"
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