After installing RAC, I encountered [INS-06006] Passwordless SSH connectivity not set up between the following node(s) when installing Oracle, rac1 and rac2 mutual trust. When the Setup was executed successfully, the passwordless login was already available on the OS, but Test did not work, so the following steps could not be performed.
Solution: I found that the problem lies in the virtual NIC virbr0 that comes with the virtual machine, remove the virtual NIC.
1. ifconfig virbr0 down
2. brctl delbr virbr0
3. systemctl disable libvirtd
4. Restart the virtual machine
5.Remove the original /home/oracle/.ssh file, and reset,test it.
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