php_ssh2操作linux

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2018/9/15
 * Time: 14:11
 */
header("content-type:text/html;charset=utf8");
ignore_user_abort();
ini_set(‘default_socket_timeout‘, -1);
set_time_limit(0);

$host = ‘***‘;//被控制的linux的ip
$user = ‘root‘;//用户名
$passwd = ‘123456‘;//密码
///////////////////
//链接远程服务器
///////////////////
$connection = @ssh2_connect($host, 2222);
if (! $connection) {
    die("Connection failed.");
}
///////////////////
//可否通过密码连接
///////////////////
$auth_methods = ssh2_auth_none($connection, $user);
if (!in_array(‘password‘, $auth_methods)) {
    die("Unable to login to remote server by password.");
}
///////////////////
//验证密码
///////////////////
if (!ssh2_auth_password($connection, $user, $passwd)) {
    die("Password error.");
}
$shell=ssh2_shell($connection, ‘xterm‘);
//由于一些模糊的原因，在命令之后，您需要睡眠以确保命令已经到达服务器并正在运行
sleep(2);
fwrite( $shell, ‘ls -al‘.PHP_EOL);
sleep(5);
while($line = fgets($shell)) {
    echo $line."<br />";
}