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ssh 直接使用 TTY 訪問,以確保密碼是用戶鍵盤輸入的。 sshpass 在專門的 tty 中運(yùn)行 ssh,以誤導(dǎo) ssh 相信它是從用戶接收到的密碼,下面為大家詳細(xì)講解一下Linux下使用sshpass繞過SSH密碼驗(yàn)證具體方法。

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Desktop sudo yum install sshpass
[sudo] password for xuyaowen:
Last metadata expiration check: 0:04:22 ago on Mon 02 Jul 2018 11:25:32 AM CST.
Package sshpass-1.06-5.fc28.x86_64 is already installed, skipping.
Dependencies resolved.
Nothing to do.
Complete!
檢查是否安裝
[root@yaowenxu Desktop]# rpm -qa sshpass
sshpass-1.06-5.fc28.x86_64
View Code
[root@yaowenxu Desktop]# sshpass
Usage: sshpass [-f|-d|-p|-e] [-hV] command parameters
-f filename Take password to use from file
-d number Use number as file descriptor for getting password
-p password Provide password as argument (security unwise)
-e Password is passed as env-var "SSHPASS"
With no parameters - password will be taken from stdin
-P prompt Which string should sshpass search for to detect a password prompt
-v Be verbose about what you're doing -h Show help (this screen) -V Print version information At most one of -f, -d, -p or -e should be used
~ sshpass -p 123 ssh [email protected]
ssh -o StrictHostKeyChecking=no
來解決
Desktop sshpass -p 123 ssh -o StrictHostKeyChecking=no [email protected]
Warning: Permanently added '10.66.8.142' (ECDSA) to the list of known hosts.
Last login: Mon Jul 2 10:51:29 2018
優(yōu)點(diǎn): 快速,便捷
缺點(diǎn): 密碼明文暴露,可以使用 history 命令查找到

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