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SSH user equivalency still prompt for password

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Operating Systems Linux SSH user equivalency still prompt for password
# 1  
Old 05-27-2010
SSH user equivalency still prompt for password
Hi All,

I've followed the exact same steps of how to setup and enable SSH user equivalent including the right permission, but when I "ssh" it still prompts for password. Could you help to see what I did wrong?

I appreciate any helps.

Smilie

Code:
server1.com:/u01/oracle
RAC1 > mkdir -p ~/.ssh
RAC1 > chmod 700 ~/.ssh
server1.com:/u01/oracle
RAC1 > /usr/bin/ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/u01/oracle/.ssh/id_rsa): 
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
Your identification has been saved in /u01/oracle/.ssh/id_rsa.
Your public key has been saved in /u01/oracle/.ssh/id_rsa.pub.
The key fingerprint is:
1a:35:46:e5:d4:f7:12:9a:e6:dd:f1:ea:47:dd:69:8a oracle@server1.com
server1.com:/u01/oracle
RAC1 > cd .ssh
server1.com:/u01/oracle/.ssh
RAC1 > ls -ltr
total 8
-rw-r--r-- 1 oracle oinstall  409 May 27 14:12 id_rsa.pub
-rw------- 1 oracle oinstall 1675 May 27 14:12 id_rsa
server1.com:/u01/oracle/.ssh
RAC1 > touch ~/.ssh/authorized_keys
server1.com:/u01/oracle/.ssh
RAC1 > ls -ltr
total 8
-rw-r--r-- 1 oracle oinstall  409 May 27 14:12 id_rsa.pub
-rw------- 1 oracle oinstall 1675 May 27 14:12 id_rsa
-rw-r--r-- 1 oracle oinstall    0 May 27 14:13 authorized_keys
server1.com:/u01/oracle/.ssh
RAC1 > ssh server1.com cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
The authenticity of host 'server1.com (10.100.69.101)' can't be established.
RSA key fingerprint is 04:1b:1a:73:04:60:40:9c:a3:fd:e0:a4:b8:7d:a7:45.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'server1.com,10.100.69.101' (RSA) to the list of known hosts.
oracle@server1.com's password: 
server1.com:/u01/oracle/.ssh
RAC1 > ssh server2.com cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
The authenticity of host 'server2.com (10.100.69.102)' can't be established.
RSA key fingerprint is 3d:4c:f0:ea:84:de:c3:95:24:bd:1c:28:80:63:4b:90.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'server2.com,10.100.69.102' (RSA) to the list of known hosts.
oracle@server2.com's password: 
server1.com:/u01/oracle/.ssh
RAC1 > ls -ltr
total 16
-rw-r--r-- 1 oracle oinstall  409 May 27 14:12 id_rsa.pub
-rw------- 1 oracle oinstall 1675 May 27 14:12 id_rsa
-rw-r--r-- 1 oracle oinstall  832 May 27 14:15 known_hosts
-rw-r--r-- 1 oracle oinstall  818 May 27 14:15 authorized_keys
server1.com:/u01/oracle/.ssh
RAC1 > cat authorized_keys
ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAtDSLNO5xMQWAlyWfYyiwIQdTTE/Tw8MJzlxKjJaYO/tp/YlI5W8btIAkIm3RPhDd2QBl71RIcoXq2eIxEcxH0v6S6m/AWDMEtQGN/DdFUyW1rOpGnqkk73mxeTbDTJzrGZzpOmsODCXJxnHyFGuExTVv6Z2uVETCMqvFYblysANYWDMuDYIJ4MRTivkVQNRSZ71/IlqVAhwZbUiTaE1IkXtbqrBdi5BcVR4DyKkUdJDdgN8Mt9R1Ap7ExHQizf86Bcpn44keFaCEvpnySwA4iBP+UFPtXxhqKssrkhMFHSgw4pUrTGDpNBQnzPpaF5HwOtg4U4KOK6l4iCY7ho1F7w== oracle@server1.com
ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA0N8iAJaUMzQf3lxv4Lhpd0Sw12ISKdnpuw7FkJwEHg9pA7PLbovKCivUhqyonBRoDBKRESseEK0HRtK1tHmVtnfejV2tAVx2wZeDy1kR3AmkFXUuZ4bY/Q6ed5uk2HH5aLvx2e2krmk4oaXd5bTejwOEyErBtzeOyVC/AnxBwqTdTDD+vY71x+c9aGkVaw6wvj1oUjMtLPIEPgHyV/HePTt1DOiu8QTwgKt6EwP69elr8pmB8JBuLhzIymQKUAY+mE/4q6EjVChyd7/KaGQ+1r0i+4IQn08tqZK5WI35iswaSqyPef7lqShpBcwulPK57QDUbRQltySpxHq+tUPNuQ== oracle@server2.com
server1.com:/u01/oracle/.ssh
RAC1 > scp ~/.ssh/authorized_keys server2.com:.ssh/authorized_keys
oracle@server2.com's password: 
authorized_keys                                                                                  100%  818     0.8KB/s   00:00    
server1.com:/u01/oracle/.ssh
RAC1 > chmod 600 ~/.ssh/authorized_keys
server1.com:/u01/oracle/.ssh
RAC1 > ssh server1.com hostname
oracle@server1.com's password: 
server1.com
server1.com:/u01/oracle/.ssh
RAC1 > ssh server2.com hostname
oracle@server2.com's password:

Last edited by pludi; 05-27-2010 at 05:07 PM.. Reason: code tags, please...
# 2  
Old 05-28-2010
Say you want to connect from server1 to server2 without password

You have to copy the pulic key of server 1 (~/.ssh/id_rsa.pub ) and paste this key in authirize file of server2 (~/.ssh/authorized_keys). Are you doing it correctly? This link might help you.

3 Steps to Perform SSH Login Without Password Using ssh-keygen & ssh-copy-id (link removed)
# 3  
Old 05-28-2010
I don't see anything wrong per se with what you've done so far. Could you post the output of
Code:
ssh -vv server2.com hostname

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