使用 bash 无密码的 ssh 密钥 [英] ssh key passwordless using bash

问题描述

我想使用 ssh 密钥认证.我有一个包含以下内容的文件:

I would like to use ssh key authentication. I have a file that contains:

ip 位置

ip 位置

等

我有一个 bash 脚本如下:

i have a bash script as follow :

 declare -A mylist
 declare -A myarray

 i=1

while read line ; do

        mylist[$i]=$(echo $line | awk '{print $1}')
        myarray[$i]=$(echo $line | awk '{print $2}')

((i++))

done <file.conf

for ip in "${mylist[@]}"; do
 for location in "${myarray[@]}" ; do

        ssh ${ip} tail -f ${location} > /home/log_${ip} 2>/dev/null &


 done

done

当我这样做时，它一直要求我输入密码.我不知道如何生成密钥，您能告诉我步骤吗.

When i do this it asks me for password all the time.I have no idea how to generate a key can you please show me the steps.

推荐答案

以普通用户身份从主机执行以下命令.这将在该主机上为该用户生成一个公钥-私钥.

Execute the following command from your host machine as the usual user. This will generate a public-private key for this user on that host.

ssh-keygen

默认情况下，密钥将在 ~/.ssh 下创建，通常命名为 id_rsa(私钥) id_rsa.pub(公钥)现在可以将公钥复制到任意数量的远程计算机，并且所有进一步安全登录到这些主机都不会提示输入密码.

The keys will by default be created under ~/.ssh and usually named as id_rsa (private key) id_rsa.pub (public key) Now the public key can be copied to any number of remote computers and all further secure log-ins to those hosts will not prompt for the password.

ssh-copy-id user@machine

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