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where does domain name come from?

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rhumbliner
n00b
n00b

n00b

Joined: 15 Nov 2004
Posts: 59
Location: Las Vegas

Posted: Sat Oct 05, 2013 3:15 pm Post subject: where does domain name come from?

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i ran across an interesting problem today. i'm maintaining several servers and typically set the domain name in the hosts file:

Code:

10.1.1.5 server1.mydomain.com

but when building a new server i overlooked the hosts entry and was surprised to see that it picked up the correct domain name anyway. a little research showed i had this line in /etc/resolv.conf:

Code:

search mydomain.com

i decided this was a cleaner method for setting the domain name so i adjusted my other servers so that hosts simply lists the hostname and resolve.conf lists the domain name. problem is, that method only works for my new server and not the rest. what am i missing here?

in summary, this setup works on some machines but not others:
/etc/hosts

Code:

10.1.1.5 server1

/etc/resolv.conf

Code:

search mydomain.com

Code:

hostname -f
server1.mydomain.com

tia

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Jaglover
Watchman

Watchman

Joined: 29 May 2005
Posts: 8291
Location: Saint Amant, Acadiana

Posted: Sat Oct 05, 2013 4:39 pm Post subject:

What's in /etc/conf.d/hostname _________________ My Gentoo installation notes. Please learn how to denote units correctly!

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rhumbliner
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n00b

Joined: 15 Nov 2004
Posts: 59
Location: Las Vegas

Posted: Sat Oct 05, 2013 9:03 pm Post subject:

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Code:

{~} cat /etc/conf.d/hostname
# Set to the hostname of this machine
hostname="server1"

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