From: Dave Thompson (davidlt77@hotmail.com)
Date: Fri Jan 24 2003 - 08:56:09 EST
Philip Ford and Bill Hassell recommended changing the hosts line in
nsswitch.conf to look at /etc/hosts first. Bill also recommended removing
the arguments for the dns portion of the entry. I have made use of both
suggetions. See Bill's explanation below.
Thanks, Philip and Bill!
Dave
----Original Message Follows----
From: "Bill Hassell" <pooderbill@mindspring.com>
To: "Dave Thompson" <davidlt77@hotmail.com>
Subject: RE: [HPADM] RE: SUMMARY: How to Configure a DNS Client
Date: Thu, 23 Jan 2003 10:07:02 -0500
Just a note for simplicity: the default behavior (from: man switch) is
to always return on success and always continue if something doesn't work.
So the hosts linb can be simplified to: hosts: dns files
A performance note: if your DNS servers are a bit slow or you do a lot of
work with your local machines (like a network backup), you can avoid
querying the DNS servers for machines they know nothing about by changing
to: hosts: files dns
What this does is to allow you to put your most important IP addresses
into /etc/hosts (which remains in memory) and if the query isn't found
in /etc/hosts, go on to the DNS server(s). Backup programs like Omniback,
Legato, Veritas, etc all query the hostname for EVERY file. So for millions
of files, there will be millions of hostname lookups (I know, it's a dumb
design). So putting your production machine IP addresses into /etc/hosts
and looking there fiorst will avoid a huge network load on the DNS servers.
Your DNS administrator can verify this behavior.
/etc/hosts doesn't need to be very big...just put the important local
machines
there. And since you won't be changing the IP addresses on these servers
every
week, maintenance is simple.
--
Best regards,
Bill Hassell
blhconsulting@mindspring.com
> -----Original Message-----
> From: hpux-admin-owner@DutchWorks.nl
> [mailto:hpux-admin-owner@DutchWorks.nl]On Behalf Of Dave Thompson
> Sent: Thursday, January 23, 2003 8:03 AM
> To: mdang@link.com.au; hpux-admin@DutchWorks.nl
> Subject: [HPADM] RE: SUMMARY: How to Configure a DNS Client
>
>
> Certainly, Muoi. The files to edit are /etc/resolv.conf and
> /etc/nsswitch.conf. Following is what my nsswitch.conf now looks like:
>
> ---BEGIN PASTE---
> #
> # /etc/nsswitch.files:
> #
> # An example file that could be copied over to /etc/nsswitch.conf; it
> # does not use any name services.
> #
> passwd: files
> group: files
> hosts: dns [SUCCESS=return NOTFOUND=continue UNAVAIL=continue
> TRYAGAIN=continue] files
> services: files
> networks: files
> protocols: files
> rpc: files
> publickey: files
> netgroup: files
> automount: files
> aliases: files
> ---END PASTE---
>
> The only line I edited was the one that begins with "hosts".
>
> Following is what my resolv.conf now looks like:
>
> ---BEGIN PASTE---
> domain <domain_name>
> nameserver <IP_address_of_DNS_nameserver>
> ---END PASTE---
>
> Of course, replace <domain_name> with your company's domain name, and
> replace <IP_address_of_DNS_nameserver> with the IP address of
> your company's
> DNS nameserver.
>
> No, I didn't need to start any daemons. I just edited the two files, and
> DNS works.
>
> Dave
>
>
>
>
> ----Original Message Follows----
> From: "Dang, Muoi" <mdang@link.com.au>
> To: "'Dave Thompson'" <davidlt77@hotmail.com>, hpux-admin@DutchWorks.nl
> Subject: RE: [HPADM] SUMMARY: How to Configure a DNS Client
> Date: Thu, 23 Jan 2003 09:36:39 +1100
>
> Dave,
>
> Could you please explain what you edited into those files and do
> you need to
> stop/start anything before make it happen?
>
> Regards,
>
> Muoi Dang
>
>
>
> -----Original Message-----
> From: Dave Thompson [mailto:davidlt77@hotmail.com]
> Sent: Thursday, 23 January 2003 3:26 AM
> To: hpux-admin@DutchWorks.nl
> Subject: [HPADM] SUMMARY: How to Configure a DNS Client
>
>
> Thanks to all who have responded. I edited /etc/resolv.conf and
> /etc/nsswitch.conf, and names are resolving wonderfully.
>
> Dave
>
>
>
>
> ----Original Message Follows----
> From: "Dave Thompson" <davidlt77@hotmail.com>
> To: hpux-admin@dutchworks.nl
> Subject: [HPADM] How to Configure a DNS Client
> Date: Wed, 22 Jan 2003 10:33:41 -0500
>
> I've never configured DNS, but I need to do so now in order to install
and
> use ISEE. We've been using hosts files up to now. I imagine there is an
> easy way to configure a DNS client in SAM, but I've never done this. I've
> searched docs.hp.com, ITRC, and the Web, and I haven't found a document
> about doing this. Does anyone have instructions?
>
> Dave
>
>
>
> _________________________________________________________________
> Add photos to your messages with MSN 8. Get 2 months FREE*.
> http://join.msn.com/?page=features/featuredemail
>
>
> --
> ---> Please post QUESTIONS and SUMMARIES only!! <---
> To subscribe/unsubscribe to this list, contact
> majordomo@dutchworks.nl
> Name: hpux-admin@dutchworks.nl Owner:
> owner-hpux-admin@dutchworks.nl
>
> Archives: ftp.dutchworks.nl:/pub/digests/hpux-admin (FTP, browse
> only)
> http://www.dutchworks.nl/htbin/hpsysadmin (Web, browse &
> search)
>
>
> _________________________________________________________________
> The new MSN 8: advanced junk mail protection and 2 months FREE*
> http://join.msn.com/?page=features/junkmail
>
>
> --
> ---> Please post QUESTIONS and SUMMARIES only!! <---
> To subscribe/unsubscribe to this list, contact
> majordomo@dutchworks.nl
> Name: hpux-admin@dutchworks.nl Owner:
> owner-hpux-admin@dutchworks.nl
>
> Archives: ftp.dutchworks.nl:/pub/digests/hpux-admin (FTP, browse
> only)
> http://www.dutchworks.nl/htbin/hpsysadmin (Web, browse &
> search)
>
>
> **********************************************************************
> This email and any files transmitted with it are confidential and
> intended solely for the use of the individual or entity to whom they
> are addressed. If you have received this email in error please notify
> the system manager.
>
> This footnote also confirms that this email message has been swept by
> MIMEsweeper for the presence of computer viruses.
>
> www.mimesweeper.com
> **********************************************************************
>
>
> _________________________________________________________________
> MSN 8 with e-mail virus protection service: 2 months FREE*
> http://join.msn.com/?page=features/virus
>
>
> --
> ---> Please post QUESTIONS and SUMMARIES only!! <---
> To subscribe/unsubscribe to this list, contact
> majordomo@dutchworks.nl
> Name: hpux-admin@dutchworks.nl Owner:
> owner-hpux-admin@dutchworks.nl
>
> Archives: ftp.dutchworks.nl:/pub/digests/hpux-admin (FTP,
> browse only)
> http://www.dutchworks.nl/htbin/hpsysadmin (Web,
> browse & search)
>
_________________________________________________________________
Protect your PC - get McAfee.com VirusScan Online
http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963
--
---> Please post QUESTIONS and SUMMARIES only!! <---
To subscribe/unsubscribe to this list, contact majordomo@dutchworks.nl
Name: hpux-admin@dutchworks.nl Owner: owner-hpux-admin@dutchworks.nl
Archives: ftp.dutchworks.nl:/pub/digests/hpux-admin (FTP, browse only)
http://www.dutchworks.nl/htbin/hpsysadmin (Web, browse & search)
This archive was generated by hypermail 2.1.7 : Sat Apr 12 2008 - 11:02:24 EDT