const { Client } = require('ssh2');

const conn = new Client();

conn.on('ready', () => {
  conn.exec('ls /www/server/panel/vhost/cert/', (err, stream) => {
    if (err) { console.log('ERR:', err); conn.end(); return; }
    stream.on('data', (d) => console.log('DOMAINS:', d.toString()));
    stream.on('close', () => {
      conn.exec('cat /www/server/panel/vhost/nginx/hs.yifenbao.cn.conf', (err2, stream2) => {
        if (err2) { console.log('ERR2:', err2); conn.end(); return; }
        stream2.on('data', (d) => console.log('CONFIG:', d.toString()));
        stream2.on('close', () => conn.end());
      });
    });
  });
});

conn.connect({ host: 'hs.yifenbao.cn', port: 22, username: 'root', password: 'Torch1112' });