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HomeBackend DevelopmentPHP Tutorial关于使用ssh2_exec修改user密码的有关问题

关于使用ssh2_exec修改user密码的问题
我要把用户名test的密码改一下,有经验的朋友看下哪里错了?感觉用ssh2_exec不太好,是不是得shell?是的话,应该怎么写???先谢谢了!

PHP code
<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->$con = ssh2_connect( 'IP', '22' );    if ( ssh2_auth_password( $con, 'root', 'root_pwd' ) ) {            $stream = ssh2_exec( $con, "passwd test\n123456\n123456\n" ); //把用户名“test”的密码改成“123456”            echo $stream;    } else echo 'Cannot log in';


------解决方案--------------------
"passwd test\n123456\n123456\n" 这个应该是不行的, 

试下这样
echo "123456" | passwd "test" --stdin
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