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I need to get passwordless SSH working between two red hat VMs. Here's the scenario:
On both VMs I have user bob. On VM1 as user bob I run ssh-keygen -t rsa. Then as user bob I run ssh-copy-id i bob@<ip of vm2>. I enter bobs password on vm2 and the public key is copied over to the authorized_keys file. I've verified that the key listed in the authorized keys file on vm2 is the same as the id_rsa.pub key on vm1. I've also verified that the permissions of bobs home, home/.ssh, home/.ssh/id_rsa, and home/.ssh/id_rsa.pub are correct.
Now I should be able to simply run the command 'ssh bob@<ip of vm2> and immediately get a terminal on vm2. Instead I'm still prompted for a password.
I've found that if I run these two commands on vm2 it will work:
service sshd stop
(running 'service sshd start' does not work)
After running those two commands I can run the command 'ssh bob@<ip of vm2>' and get a terminal with no password required. What's going on here?
Main reason for ssh passwordless failure could be permission .Cross check whether you had enable wright permission for keys & .ssh file
Check the sshd_ config file you had whether enable authorized_ keys file path file & pubkey attentication yes in your sshd_ config file
Thanks for the help everyone. It turns out that there was an issue with the user's home directory. I had used puppet to create the users (does RHEL encrypt the home dir by default?). When I changed the location of the authorized_keys file to a different directory and point the sshd_config to that new directory everything worked fine.