How to run a linux command from java code

How to run a linux command from java code

Download opensource java ssh client from 

http://ift.tt/2fVObXE

Use the following java docs , to review the API

http://ift.tt/2gR53TO

package client;

import java.io.BufferedReader;

import java.io.FileInputStream;

import java.io.InputStream;

import java.io.InputStreamReader;

import com.sshtools.net.SocketTransport;

import com.sshtools.ssh.PasswordAuthentication;

import com.sshtools.ssh.SshAuthentication;

import com.sshtools.ssh.SshClient;

import com.sshtools.ssh.SshConnector;

import com.sshtools.ssh.SshSession;

public class Class1 {

    public Class1() {

        super();

    }

    public static void main(String[] args) throws Exception {

        Class1 class1 = new Class1();

        SshConnector con = SshConnector.createInstance();

         SshClient ssh = con.connect(new SocketTransport("localhost", 22),

                        "root");

         PasswordAuthentication pwd = new PasswordAuthentication();

         pwd.setPassword("Welcome1");

         if (ssh.authenticate(pwd) == SshAuthentication.COMPLETE) {

                System.out.println("Authentication succeeded");

                SshSession sesison = ssh.openSessionChannel();

         } else {

                System.out.println("Authentication failed");

         }

        if (ssh.isAuthenticated()) {

                SshSession session = ssh.openSessionChannel();

               session.executeCommand("xm list");

            

               InputStream stdout =  session.getInputStream();

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

                       System.out.println("the output of the command is");

                       while (true)

                       {

                           String line = br.readLine();

                           if (line == null)

                               break;

                           System.out.println(line);

                       }

                session.close();

                ssh.disconnect();

        }

    }

}

Tags: Publish
December 03, 2016 at 12:38PM
Open in Evernote