gistfile1.js

var fs = require('fs');
var Connection = require('ssh2');

var c = new Connection();
c.on('ready', function() {
  c.exec('bash -s', function(err, stream) {
    if (err) throw err;

    // allow us to close stdin but still allow output from server
    stream.allowHalfOpen = true;

    fs.createReadStream('localscript.sh')
      .pipe(stream)
      .on('data', function(data, extended) {
        console.log((extended === 'stderr' ? 'STDERR: ' : 'STDOUT: ')
                    + data);
      }).on('exit', function(code, signal) {
        c.end();
      });
  });
}).connect({
  host: 'server',
  port: 22,
  username: 'user',
  agent: process.env.SSH_AUTH_SOCK
});