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The Oracle VM Manager Host /etc/hosts Requirements

The Oracle VM Manager Host /etc/hosts Requirements

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All Oracle technology products, including Oracle VM Manager, rely on a properly formatted /etc/hosts file. The hostname in the /etc/hosts file must be associated with the server's public IP address.

The next example shows the proper syntax for an Oracle Linux 5 /etc/hosts file. Note that the localhost entries are on one line, and the IP address with the long and short names are on the next line.

127.0.0.1 localhost.localdomain localhost
192.168.4.8 servername.com servername
 
The next example shows the proper syntax from an Oracle Linux 6 /etc/hosts file. Note that the localhost entries are on one line, and the IP address with the long and short names are on the next line.
 
192.168.3.9 servername.com servername
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

An /etc/hosts file can be edited by the root user by typing “vi /etc/hosts”.
 
Tip: The IPv6 entries in Oracle Linux 5 & 6 /etc/hosts files should be removed to aviod "Bug 13652664 : AGENT DEPLOY FAILS WITH AGENT PORT PASSED BY USER IS BUSY" with Oracle Management Agent installations. The following example shows an IPv6 entry:
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
 
The IPv6 line can be deleted or comment
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