SSH Connection Java

Question

Is it possible to make a ssh connection to a server with java?

Check [stackoverflow.com/questions/3071760/ssh-connection-with-java/… — World
– World, Commented Mar 8, 2012 at 9:00
FWIW, I took a quick look at the ones listed below, and sshtools is only available under a GPL license. (jsch is available under BSD and sshJ is available under Apache.) — Mickalot
– Mickalot, Commented May 20, 2013 at 14:46

theomodsim · Accepted Answer · 2010-07-21 19:46:41Z

4

Yes, I used http://sourceforge.net/projects/sshtools/ in a Java application to connect to a UNIX server over SSH, it worked quite well.

edited Jul 21, 2010 at 19:46

answered Jul 21, 2010 at 19:41

theomodsim

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ClutchDude · Accepted Answer · 2010-07-21 19:46:51Z

3

jsch and sshJ are both good clients. I'd personally use sshJ as the code is documented much more thoroughly.

jsch has widespread use, including in eclipse and apache ant. I've also had issues with jsch and AES encrypted private keys, which required re-encrypting in 3DES, but that could just be me.

answered Jul 21, 2010 at 19:46

ClutchDude

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1 Comment

Benni Over a year ago

ok the jsch library worked fine and was very easy to implement. thank you for your answer.

Ripon Al Wasim · Accepted Answer · 2013-01-03 06:58:51Z

Yes, it is possible. You can try the following code:

package mypackage;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;
import java.io.*;

public class SSHReadFile
    {
    public static void main(String args[])
    {
    String user = "user";
    String password = "password";
    String host = "yourhostname";
    int port=22;

    String remoteFile="/home/john/test.txt";

    try
        {
        JSch jsch = new JSch();
        Session session = jsch.getSession(user, host, port);
            session.setPassword(password);
            session.setConfig("StrictHostKeyChecking", "no");
        System.out.println("Establishing Connection...");
        session.connect();
            System.out.println("Connection established.");
        System.out.println("Crating SFTP Channel.");
        ChannelSftp sftpChannel = (ChannelSftp) session.openChannel("sftp");
        sftpChannel.connect();
        System.out.println("SFTP Channel created.");
        }
    catch(Exception e){System.err.print(e);}
    }
    }

ZZ Coder · Accepted Answer · 2010-07-21 21:55:31Z

1

To make connection to Java servers, you need an implementation of SSHD (ssh client is not enough). You can try Apache SSHD,

http://mina.apache.org/sshd/

Because sshd is already running on most systems, an easier alternative is to connect to the server through a SSH tunnel.

answered Jul 21, 2010 at 21:55

ZZ Coder

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