helpful hint

If it’s a big pain when a workstation’s ssh keypair gets lost, back it up.


#!/bin/sh

HOSTNAME=`hostname`
sudo cat /etc/ssh/ssh_host_dsa_key > ws_keys/ssh_host_dsa_key.${HOSTNAME}
sudo cat /etc/ssh/ssh_host_dsa_key.pub > ws_keys/ssh_host_dsa_key.pub.${HOSTNAME}
sudo cat /etc/ssh/ssh_host_rsa_key >    ws_keys/ssh_host_rsa_key.${HOSTNAME}
sudo cat /etc/ssh/ssh_host_rsa_key.pub > ws_keys/ssh_host_rsa_key.pub.${HOSTNAME}

chmod go-r ws_keys/*.${HOSTNAME}


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