After instllation, /etc/hosts is, 127.0.0.1 node01.localdomain node01 localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 I changed the first line to 127.0.0.1 localhost.localdomain localhost 10.0.18.19 node01.localdomain node01 it solved. Thanks. ----- Original Message ----- From: "jdow" <[log in to unmask]> To: <[log in to unmask]> Sent: Friday, May 20, 2011 8:38 AM Subject: Re: SL 5.6 beta 2 bug? All machines return the same HOSTID > On 2011/05/19 09:08, Brett Viren wrote: >> "Toshiaki Shingu"<[log in to unmask]> writes: >> >>> I installed SL 5.6 beta 2 to three nodes using PXE boot. >>> ip addresses were obtained by dhcp, so all nodes have diferent ips. >>> After the successful installation hostid command returns the same >>> value '007f0100' on all machines. >> >> This happens when you have the host name in /etc/hosts bound to >> 127.0.0.1. Edit that file so it has the FQDN attached to the IP number >> for your NIC. For eg, here is mine: >> >> head -2 /etc/hosts >> 127.0.0.1 localhost >> 130.199.36.67 lycastus.phy.bnl.gov lycastus >> >> -Brett. > > Incidentally the file /etc/sysconfig/network sets the host name with > this line: > HOSTNAME=scientific.wizardess.wiz > > {^_^} Joanne