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ssh interruption after aix os upgrade

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Operating Systems AIX ssh interruption after aix os upgrade
# 1  
Old 02-17-2012
ssh interruption after aix os upgrade
Hi

Through nimadm (alt_disk_install) we done aix os upgrade in 3 lpars from aix 5.3 to aix 6.1. upgrade was successful.

After the upgrade users complained on their ssh keys.

Does upgrading aix version affects the user's ssh keys ? If so please suggest on options to correct them.
# 2  
Old 02-17-2012
Most likely the host keys are affected, not the ~/.ssh/authorized_users lines = *.pub key one line values, but that affects the users through known_hosts. I am not sure if you can restore the old host keys, but the users can truncate the file and say yes once each to add hosts.
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