• alexlai@hc4Jammy:~$ cat ~/.mongoshrc.js

// connect to relicationSet odroid01
const db = connect("mongodb://siteRootAdmin:b23258585@x8664Arch.yushei.com.tw:27017,hc4Jammy.yushei.com.tw:27017,n2Jammy.yushei.com.tw:27017/YuSheiDBTest?replicaSet=odroid01&authSource=admin");

// let log =  rs.status().members;
// console.table(log);

function alert() {
        let log =  rs.status().members;
        let simpleLog = [];
        // console.log(log);
        for (let i = 0; i < log.length; i++){
            // console.log("_id: ", log[i]._id, "name: ", log[i].name, "health: ", log[i].health, "state: ", log[i].state, "stateStr: ", log[i].stateStr);
                simpleLog[i] = {
                        "_id": log[i]._id,
                        "name": log[i].name,
                        "health": log[i].health,
                        "state": log[i].state,
                        "stateStr": log[i].stateStr
                }
        }
        console.table(simpleLog);
        console.log(Date().toLocaleString());
}

alert();

// Connect to the MongoDB server and select your database
// const conn = new Mongo();
// const db = conn.getDB('your_database_name');

// Replace 'your_capped_collection_name' with the name of your capped collection
const collection = db.getCollection('inLaneCapped');

// Watch the capped collection for changes
const changeStream = collection.watch();

// Function to process each change and print specific fields
const processChange = (change) => {
  if (change.operationType === 'insert') {
   // _id: , plateText: 'NEF6953', cameraSource: '002',  inTime: '2023-07-25T17:17:04', inCarJpg
    const { _id, plateText, cameraSource, inTime, inCarJpg } = change.fullDocument; // Add the specific fields you want to print
    // Create a simple textual representation of the image
    // const imageText = 'Image data: ' + inCarJpg.slice(0, 50) + '...'; // Display only a portion of the base64 data
    // const imageLink = `data:image/jpeg;base64,${inCarJpg}`;
    print(`Change ID: ${_id}`);
    print(`plateText: ${plateText}`);
    print(`camerSource: ${cameraSource}`);
    print(`inTime: ${inTime}`);
    // print(`inCarJpg: ${imageText}`);
    // print(`Image Link: ${imageLink}`);
    //print(`inCarJpg: <img src="${inCarJpg}" alt="Car Image" />`);
  }
};

// Start the change stream and monitor for changes
const monitorChanges = async () => {
  while (true) {
    const change = await changeStream.tryNext();
    if (change) {
      processChange(change);
    } else {
      // Sleep for a short interval before checking again
      sleep(100);
    }
  }
};

monitorChanges().catch(printjson); // Start monitoring changes

The above is the code I am runnning on a terminal. Please change to a web site, and put the above code in it.