2. Run ssh.conf1.ksh on node1.
3. Make changes of ssh.conf1.ksh on node2 and then run it.
4. Run ssh.conf2.ksh on node1.
5. Run command on all nodes: chmod 600 .ssh/authorized_keys
6. Test the configuration on all nodes. The command is: ssh node1 [node2] date
ssh.conf1.ksh
------------------------------------------------------------
#!/bin/ksh
# Run this script as user oracle on node1, and then on node2.
# Make sure the package ssh is installed under /usr/local.
# Written by [email]susbin@chinaunix.net[/email] 071906
# Put the hostname of the two nodes below
node1=rac1
node2=rac2
sc_name=ssh.conf1.ksh
home_dir=/u01/app/oracle
key_dir=${home_dir}/.ssh
ssh_base=/usr/local/bin
echo ================================================================
echo $sc_name started at `date`.
echo " "
echo "You need to run this script on $node1 and $node2."
echo "Make changes on this script before you run it on $node2."
echo " "
/bin/rm -r $key_dir
/bin/mkdir $key_dir
/bin/chmod 700 $key_dir
${ssh_base}/ssh-keygen -t rsa
echo " "
${ssh_base}/ssh-keygen -t dsa
/bin/touch ${key_dir}/authorized_keys
echo " "
echo "Now save the keys into the file authorized_keys."
echo " "
## comment out the lines when you run it on node2.
${ssh_base}/ssh $node1 cat ${key_dir}/id_rsa.pub >> ${key_dir}/authorized_keys
${ssh_base}/ssh $node1 cat ${key_dir}/id_dsa.pub >> ${key_dir}/authorized_keys
## end of the lines
## uncomment the lines below when you run it on node2.
#${ssh_base}/ssh $node2 cat ${key_dir}/id_rsa.pub >> ${key_dir}/authorized_keys
#${ssh_base}/ssh $node2 cat ${key_dir}/id_dsa.pub >> ${key_dir}/authorized_keys
#${ssh_base}/ssh $node1 cat ${key_dir}/id_rsa.pub >> ${key_dir}/authorized_keys
#${ssh_base}/ssh $node1 cat ${key_dir}/id_dsa.pub >> ${key_dir}/authorized_keys
#${ssh_base}/scp ${key_dir}/authorized_keys ${node1}:${key_dir}
## end of the lines
echo " "
echo "It is done."
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