shell: build trust relations between linux hosts

makeauth.sh

#!/bin/bash

# build trust relations between linux hosts
user="wangshijun"
machine="hostname1 hostname2 hostname3"
for i in $machine
do
	scp ~/.ssh/id_rsa.pub ${user}@$i:./
	ssh ${user}@$i 'cat id_rsa.pub >>.ssh/authorized_keys; chmod 700 .ssh;chmod 600 .ssh/authorized_keys'
done