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https://access.redhat.com/site/documentation/en-US/OpenShift_Enterprise/2/html-single/Deployment_Guide/index.html#Configuring_OpenShift_Enterprise_Node_Host_Name_Resolution 6.3. Configuring Node Host Name Resolution --- Replace the contents of /etc/resolv.conf on Host 2 with the following to configure node host name resolution. Replace 10.0.0.1 with the IP address of Host 1: ==> *replacing* will break the rest of the install -- needs to be like on Host 1: Edit the /etc/resolv.conf file on Host 2 and add the following entry as the first name server, replacing 10.0.0.1 with the IP address of Host 1: === 6.4. Configuring the Node Host DHCP and Host Name Procedure 6.3. To Configure the DHCP Client on the Node Host: As with https://bugzilla.redhat.com/show_bug.cgi?id=1040199 the "supersede" lines here should be removed.