1.3 /etc/hosts
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1.3: /etc/hosts
In order to correctly resolve name to IP address we need some sort of name resolution. We already have a DNS name server which is capable of doing this as per section 7.0: BIND DNS; however it is desirable to have a backup feature such as entries in the /etc/hosts file.
Step1
On node1 we will edit the hosts file to reflect our configuration.
[root@node1 ~]# vi /etc/hosts
# Do not remove the following line, or various programs # that require network functionality will fail. 127.0.0.1 node1 localhost.localdomain localhost 192.168.0.2 node1.differentialdesign.org 192.168.0.3 node2.differentialdesign.org 192.168.0.4 nodes.differentialdesign.org
Step2
Login to node2 and edit the /etc/hosts file.
[root@node2 ~]# vi /etc/hosts
# Do not remove the following line, or various programs # that require network functionality will fail. 127.0.0.1 node2 localhost.localdomain localhost 192.168.0.2 node1.differentialdesign.org 192.168.0.3 node2.differentialdesign.org 192.168.0.4 nodes.differentialdesign.org