SSH not working from pod to external machine in RHOCP 4

Solution Verified - Updated -

Issue

  • Passwordless SSH from pod to physical machine is not working:
$  oc rsh hello-world-nginx-76798d7f6-ncqmg
/ # ssh root@10.74.236.192
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@         WARNING: UNPROTECTED PRIVATE KEY FILE!          @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
Permissions 0440 for '/root/.ssh/id_rsa' are too open.
It is required that your private key files are NOT accessible by others.
This private key will be ignored.
Load key "/root/.ssh/id_rsa": bad permissions
root@10.74.236.192's password: 

Environment

  • Red Hat OpenShift Container Platform (RHOCP) 4

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