with default names ~/.ssh/id_rsa and ~/.ssh/id_rsa.pub. For security reasons highly recomended to use only passphrase protected keys.
ssh-keygen |
change passphrase of default key if needed
ssh-keygen -p |
copy to servers ( if password login allowed)
ssh-copy-id login@servername |
generate public key from existing private
ssh-keygen -y -f ~/.ssh/rsa_id > ~/.ssh/rsa_id.pub |
AGENT=`ps -ef |grep ssh-agent|grep $USER|grep -v grep` if [ "${AGENT}" = "" ]; then ssh-agent > .ssh/agent_env source .ssh/agent_env else source .ssh/agent_env fi KEYLIST=`ssh-add -l` if [ "${KEYLIST}" = "The agent has no identities." ]; then ssh-add fi |
sed -i 's/^PasswordAuthentication no/PasswordAuthentication yes/' /etc/ssh/sshd_config service sshd restart |