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();
        }  
 
    }  
 
}