使用 Jsch 连接远程服务器

<dependency>
        <groupId>com.jcraft</groupId>
           <artifactId>jsch</artifactId>
           <version>0.1.53</version>
    </dependency>

import java.io.IOException;  
import java.io.InputStream;  
import org.apache.commons.io.IOUtils;  

import com.jcraft.jsch.ChannelExec;  
import com.jcraft.jsch.JSch;  
import com.jcraft.jsch.JSchException;  
import com.jcraft.jsch.Session;  

public class SSHLinux {  

    public static void main(String[] args) throws IOException, JSchException {  
        // TODO Auto-generated method stub  
        String host = "172.19.28.253";  
        int port = 22;  
        String user = "root";  
        String password = "123456";  
        String command = "whatweb --output-xml http://216.139.147.75:443/";  
        String res = exeCommand(host,port,user,password,command);  

        System.out.println(res);  

    }  


public static String exeCommand(String host, int port, String user, String password, String command) throws JSchException, IOException {  

        JSch jsch = new JSch();  
        Session session = jsch.getSession(user, host, port);  
        session.setConfig("StrictHostKeyChecking", "no");  
    //    java.util.Properties config = new java.util.Properties();  
     //   config.put("StrictHostKeyChecking", "no");  

        session.setPassword(password);  
        session.connect();  

        ChannelExec channelExec = (ChannelExec) session.openChannel("exec");  
        InputStream in = channelExec.getInputStream();  
        channelExec.setCommand(command);  
        channelExec.setErrStream(System.err);  
        channelExec.connect();  
        String out = IOUtils.toString(in, "UTF-8");  

        channelExec.disconnect();  
        session.disconnect();  

        return out;  
    }  

}  

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参考资料：

1、java使用ssh连接Linux并执行命令
https://blog.csdn.net/angel_xiaa/article/details/52355625

2、Java通过SSH连接Linux服务器
https://blog.csdn.net/u014234061/article/details/51445540

3、Java实践 — SSH远程执行Shell脚本
https://blog.csdn.net/jmyue/article/details/14003783

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