实现ssh无密码登录 shell脚本
默认远程主机上已经存在 ~/.ssh 目录。在自己PC上执行下面脚本,输入服务器用户名和ip地址,下次登录可实现无密码登录。
#!/bin/bash id_res_pub=~/.ssh/id_rsa.pub if [ ! -f "$id_res_pub" ];then ssh-keygen -t rsa else echo "id_rsa.pub is exist!" fi echo echo "Enter remote host user name" read rname echo echo "Enter remote host ip address" read ip_address echo echo "You remote host :" echo "${rname}@${ip_address}" cat .ssh/id_rsa.pub | ssh ${rname}@${ip_address} 'cat >> .ssh/authorized_keys'
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