ssh免密码登录

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<br><br>#!/bin/bash   REMOTE_IP_ARRAY="10.10.1.xx" REMOTE_PORT=22 REMOTE_USER=root RSA_FILE=~/.ssh/id_rsa.pub     cd ~/.ssh   if [ -f $RSA_FILE ]; then       echo "rsa file exists!" else         echo "rsa file not exist! now begin gen it"         ssh-keygen -t rsa fi   ip=$REMOTE_IP_ARRAY #ssh-keygen -t rsa #for ip in $REMOTE_IP_ARRAY  #do         REMOTE_IP=$ip         ssh -p$REMOTE_PORT ${REMOTE_USER}@${REMOTE_IP} "mkdir .ssh;chmod 700 .ssh;touch ~/.ssh/authorized_keys;chmod 600 ~/.ssh/authorized_keys"         ssh-copy-id -p$REMOTE_PORT -i ${RSA_FILE} ${REMOTE_USER}@${REMOTE_IP}

　　

执行上面SHELL出现错误

-bash: ssh-copy-id: command not found

 

那么可以用这个方法：

ssh-keygen -t rsa

cat ~/.ssh/id_rsa.pub|ssh root@10.10.1.xx  'cat >> .ssh/authorized_keys'