[Openstack] Question about hostname.
Lei Zhang
zhang.lei.fly at gmail.com
Tue Dec 4 03:34:58 UTC 2012
Hi all,
I change the machine hostname by using follow commands
$ hostname puppet-master.domain.com
$ sed -i 's/HOSTNAME=.*/HOSTNAME=puppet-master.domain.com/'
/etc/sysconfig/network
But when checking it. I got following output
$ hostnamepuppet-master.domain.com
$ hostname --long
puppet-master.domain.com.novalocal
$ hostname -A
localhost
If I add the ip-domain mapping to the /etc/hosts file, it became right.
$ echo "10.0.0.10 puppet-master.domain.com puppet-master" >> /etc/hosts
$ hostnamepuppet-master.domain.com
$ hostname --longpuppet-master.domain.com
$ hostname -Apuppet-master.domain.com
I want to know why the hosts contents affect the hostname command
--
Lei Zhang
Blog: http://jeffrey4l.github.com
twitter/weibo: @jeffrey4l
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