Java SSH remote command execution example using JCraft's JSch (http://www.jcraft.com/jsch/)
package info.compute.example;
import java.io.InputStream;
import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelExec;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;
public class SSHExec {
public static void main(String[] args) {
String cmd = "uptime";
String host = "10.0.0.2"; int port = 22; String user = "root"; String sshkey = " c:/ssh/id_rsa ";
try {
JSch jsch = new JSch();
jsch.addIdentity(sshkey);
Session session=jsch.getSession(user, host, port);
java.util.Properties config = new java.util.Properties();
config.put("StrictHostKeyChecking", "no");
session.setConfig(config);
session.connect();
Channel channel = session.openChannel("exec");
((ChannelExec)channel).setCommand(cmd);
channel.setInputStream(null);
((ChannelExec)channel).setErrStream(System.err);
InputStream in=channel.getInputStream();
channel.connect();
byte[] tmp=new byte[1024];
while(true){
while(in.available()>0){
int i=in.read(tmp, 0, 1024);
if(i<0)break;
System.out.print(new String(tmp, 0, i));
}
if(channel.isClosed()){
System.out.println("exit-status: "+channel.getExitStatus());
break;
}
try{Thread.sleep(1000);}catch(Exception ee){}
}
channel.disconnect();
session.disconnect();
}
catch(Exception e) {e.printStackTrace();}
}
}
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