If your trying to make CentOS/Fedora boxes to get hostname remember you need to have localhost.localdomain in /etc/sysconfig/network. HOSTNAME=localhost.localdomain

see around line 252-261 /etc/sysconfig/network-scripts/network-functions need_hostname () { CHECK_HOSTNAME=`hostname` if [ "$CHECK_HOSTNAME" = "(none)" -o "$CHECK_HOSTNAME" = "localhost" -o \ "$CHECK_HOSTNAME" = "localhost.localdomain" ]; then return 0 else return 1 fi }

______________________________ Andreas Pedersen

On Sun, Jun 28, 2009 at 11:35 PM, Rob Townley rob.townley@gmail.com wrote:

# i do NOT have any kind of use-host-decl-names on; entry. Do you use dnsmasq or dhcpd? # /etc/dhcpd.conf Not sure if a dnsmasq entry would be the same anymore. host babasse { hardware ethernet 00:0d:61:ae:6b:8f; fixed-address 192.168.1.249; option host-name "PutClientHostNameHereNotSureIfItHasToBeSameAsAbove-babasse"; }

#Don't remember what happens when a linux client machine has already been configured. #But know for a fact that all pxe booted and live linux booted and Windows Vista and WinXP #machines use the hostname from the dhcpd entry.

On Sun, Jun 28, 2009 at 10:38 AM, Niki Kovacscontact@kikinovak.net wrote:

...

Hi.

I just setup one of my machines as a DHCP server. I'd like it to handle the hostnames of clients. Don't know if this is an orthodox thing to do (feel free to add your comments :oD). Here's the server's relevant lines of dhcpd.conf:

--8<------- ... # Envoyer les noms d'hôtes aux clients use-host-decl-names on;

# Adresses statiques host babasse { hardware ethernet 00:0d:61:ae:6b:8f; fixed-address 192.168.1.249; } --8<-------

Now the question is: how should the configuration look like on the client side, so the hostname gets effetively fetched from the DHCP server? During the initial install, I assigned hostnames manually to every machine.

Cheers,

Niki Kovacs _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

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Niki Kovacs a écrit :

If I take a look at /var/lib/dhclient/dhclient-eth0.leases (on the client), here's a summary of the lease:

lease { interface "eth0"; fixed-address 192.168.1.2; option subnet-mask 255.255.255.0; option routers 192.168.1.254; option dhcp-lease-time 86400; option dhcp-message-type 5; option domain-name-servers 62.4.16.70,62.4.17.69; option dhcp-server-identifier 192.168.1.252; option broadcast-address 192.168.1.255; option host-name "raymonde"; option domain-name "local"; renew 1 2009/6/29 17:04:30; rebind 2 2009/6/30 04:47:44; expire 2 2009/6/30 07:47:44; }

Here's what 'hostname' returns:

# hostname raymonde

But when I go for the domain name, I get this:

# hostname -d hostname: Hôte inconnu --> means 'Unknown host' in french :o)

Any idea what I'm doing wrong here?

OK, I think I got my mistake. When I specify a domain name (with 'option domain-name'), this is in fact what gets written to the client's /etc/resolv.conf in the 'search' line. But to handle the fully qualified domain name centrally, I have to use DNS.

Correct me if I'm wrong.

Niki

Hi,

On Mon, Jun 29, 2009 at 04:00, Niki Kovacscontact@kikinovak.net wrote:

host raymonde {   hardware ethernet 00:20:ed:b8:e8:ec;   fixed-address 192.168.1.2;   option host-name "raymonde"; }

[...]

lease {   option host-name "raymonde";   option domain-name "local"; } Here's what 'hostname' returns: # hostname raymonde But when I go for the domain name, I get this: # hostname -d hostname: Hôte inconnu --> means 'Unknown host' in french :o) Any idea what I'm doing wrong here?

I guess you have to use this in dhcpd.conf:

option host-name "raymonde.local";

At least, in my dhclient-eth0.leases file I have option host-name with the fully qualified host name...

I am getting host names from DNS with "get-lease-hostnames on;" in dhcpd.conf, so I think it does what I expect (sending FQDNs) in that case...

HTH, Filipe