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Old 08-09-2017, 09:52 PM   #1
killingthemonkey
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Red Hat RHCE/RHCSA 7 Cert Guide Virtual Machine Setup


OK, I'm trying to follow the instructions in Appendix D of the Red Hat RHCE/RHCSA 7 Cert Guide.

Following the setup guide for the IPA box, I'm running into the following issue.

First, I've set up three servers, Server1, Server2, and IPA. Server1 functions as a bridge to the internet for the other two.

With my IPA server, when trying to set up the ipa running the command
Code:
ipa-server-install --setup-dns
I get the error
Code:
Checking DNS domain example.com., please wait ...
ipa.ipapython.install.cli.install_tool(Server): ERROR    DNS zone example.com. already exists in DNS and is handled by server(s): a.iana-servers.net., b.iana-servers.net.
ipa.ipapython.install.cli.install_tool(Server): ERROR    The ipa-server-install command failed. See /var/log/ipaserver-install.log for more information
Look in the ipaserver-install.log and it just repeats that error.

I attempted to do the install with the network connection disabled and it fails when it gets to the point of checking DNS and times out.

Could I get pointed in the right direction?

Thanks,
Doug


Note: I understand what the error is. Example.com is a domain out there on the interwebs. What I'm trying to figure out is how to set up the IPA as explained by the book's companion website so that I can follow the examples.

Last edited by killingthemonkey; 08-09-2017 at 09:59 PM.
 
Old 08-15-2017, 11:02 AM   #2
sundialsvcs
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Let resolving this problem be the first step in your journey. The answer is in front of you.

Step back and try to visualize the setup. What are the roles of each computer? How is each computer resolving the issue?

What happens if you dig example.com on some other computer that is connected to the Internet right now ...? Well, let me tell you:
Code:
; <<>> DiG 9.8.3-P1 <<>> example.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61193
;; flags: qr ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;example.com.			IN	A

;; ANSWER SECTION:
example.com.		78954	IN	A	93.184.216.34

;; Query time: 18 msec
Continue thinking on it ... you'll get it soon.
 
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