How to SSH Without a Password (like a boss)

在做系统运维的时候，可能以免密码通过ssh方式登录到远程主机，这时就首先需要将本机的公钥复制到远程主机，用ssh-copy-id命令可以轻松做到。

I am trying to securely pass a ssh password through the ssh-copy-id command in a way that doesn't pass the password in plain text over the local network.

上一節免密碼設定的複雜過程，linux 上已幫你寫好一支腳本ssh-copy-id，先執行ssh-keygen 產生ssh key。 · 執行ssh-copy-id 參數為要登入的主機，就可以將public key 傳送到該 ...

Create a file with the hosts that you want to copy the public ssh key; Install sshpass if needed; With the following command you can deploy the ...

Take a look at sshpass. Place your password in a text file and do something like this: $ sshpass -f password.txt ssh-copy-id user@yourserver.

You must specify port_number like this: sshpass -p server_password ssh-copy-id user@IP -p port_number.

The following script will copy your ssh key to a large number of hosts (listed in hosts.txt) very fast without having to put your password on the command line.

You might want to try installing sshpass, and altering your call to ssh-copy-id : sshpass -p $TMP_PASS ssh-copy-id user@host.

For those that do not know the useful ssh-copy-id command, it is a tool part of OpenSSH that adds an SSH public key on a server as an authorized ...

ssh-copy-id installs an SSH key on a server as an authorized key. Its purpose is to provide access without requiring a password for each login.