Bug 253903 - [RFE] Warn about /etc/hosts being obviously wrong
[RFE] Warn about /etc/hosts being obviously wrong
Product: Red Hat Cluster Suite
Classification: Red Hat
Component: conga (Show other bugs)
All Linux
low Severity low
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Assigned To: Jim Parsons
Brian Brock
Depends On:
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Reported: 2007-08-22 15:48 EDT by Lon Hohberger
Modified: 2009-04-16 16:35 EDT (History)
4 users (show)

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Doc Type: Bug Fix
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Last Closed: 2009-03-12 21:57:48 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Lon Hohberger 2007-08-22 15:48:35 EDT
Description of problem:

Sometimes, people do bad things in /etc/hosts, like: my-test.redhat.com  my-test localhost.localdomain localhost

If you add 'my-test.redhat.com' to Luci, it will work fine, but there are some
side effects which will be hit later:

(a) If you fix /etc/hosts, the host must be deleted from Conga (Ryan noticed
this) and re-added in order to continue administration, despite the certificates
being available and "trusted".  (If part of a cluster, cluster.conf may need to
me manually updated as well.)

(b) If you don't fix /etc/hosts, CMAN will refuse to start, citing inability to
find broadcast (or multicast) matches.

The request is to minimally check /etc/hosts and make sure the hostname we're
talking to isn't listed on the same line as localhost and/or 127.x.x.x (or the
equivalent in ipv6 notation)

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