Function monitor

lib/API/pm2-plus/process-selector.js:22–25

(pm_id, cb)

    }

    function monitor (pm_id, cb) {
      // State can be monitor or unmonitor
      that.Client.executeRemote(state, pm_id, cb);
    }
    if (target === 'all') {
      that.Client.getAllProcessId(function (err, procs) {
        if (err) {