ganymedssh2 java执行linux命令

需要下载ganymed-ssh2-262.jar

package ganymed;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import ch.ethz.ssh2.Connection;
import ch.ethz.ssh2.Session;
import ch.ethz.ssh2.StreamGobbler;

public class SShUtil {
    public static String execShellScript(String host, String username,
            String password,  

            String cmd, int port) throws IOException {  

        System.out.println(("running SSH cmd [" + cmd + "]"));
        Connection connection = null;  

        Session sess = null;  

        InputStream stdout = null;  

        BufferedReader br = null;  

        StringBuffer buffer = new StringBuffer("exec result:");
        buffer.append(System.getProperty("line.separator"));// 换行
        try {  

             connection = new Connection(host, port);
             connection.connect();

             if (!connection.authenticateWithPassword(username, password)) {
                 throw new RuntimeException("authenticateWithPassword failed");
             }

            sess = connection.openSession();  

            sess.execCommand(cmd);  

            stdout = new StreamGobbler(sess.getStdout());  

            br = new BufferedReader(new InputStreamReader(stdout));  

            while (true) {
                String line = br.readLine();
                if (line == null)  {
                    break;
                }
                buffer.append(line);
                buffer.append(System.getProperty("line.separator"));// 换行
                System.out.println(line);
            }  

        } finally {
            if(br != null){
                br.close();
            }
            if(sess != null){
                sess.close();
            }
            if(connection != null){
                connection.close();
            }
        }  

        return buffer.toString();  

    }  

    public static void main(String[] args) {
        String cmd = "cd /usr/local/mysql/bin&&./ndb_mgm -e show";
        try {
            String info = execShellScript("192.168.1.240", "root", "test",cmd,22);
        } catch (IOException e) {
            e.printStackTrace();
        }  

    }  

}