Linux CentOS - Enable Network Adaptor and Assign Static IP Address

To deploy OVA or OVF file, 

• Login to VCenter with the Administrator account
• Make sure to use FQDN in URL instead of IP Address
• In case image file cannot be recognized by the version of VCenter, run command shell as admin and issue the following command
• tar -xvf yourfilename.ova

Follow the link below to assign a static IP address to the network adaptor. CentOS may or maybe use eth0 as network adaptor name and could be something like: ens32

Use #ip a to see the network interfaces. more...

NodeJS and SQL

// npm install express --save
// npm install mssql --save
// npm install -g nodemon
// nodemon app.js

var express = require('express');
var sql = require('mssql');
var app = express();

app.use(express.json()); // parse json body

var _PROTOCOL = 'HTTP';
var _SERVER = 'localhost';
var _PORT = 4444;
var _DEFAULTPORT = 9000;

// config for database
var config = {
    user: '****',
    password: '****',
    server: 'localhost',
    database: 'mosis_portal',
    stream: false,
    options: {
        trustedConnection: true,
        encrypt: true,
        enableArithAbort: true,
        trustServerCertificate: true, // incase recieve error: self signed certificate
    }
};

app.get('/posts', function(req, res) {
    sql.connect(config, function(err) {
        if (err) console.log(err);
        var request = new sql.Request();
        request.query('select * from posts').then(recordset => {
            console.log(recordset.recordsets);
            res.status(200).send(recordset.recordsets);
        });
    });
});

app.get('/post/:id', function (req, res) {
    var id = req.params.id;
    sql.connect(config, function(err, result, fields) {
        if (err) console.log(err);
        var request = new sql.Request();
        request.query(`select * from posts where id= ${id}`).then(recordset => {
            res.status(200).send(recordset.recordsets.pop().pop());
        });
    });
});

app.get('/title/:id', function (req, res) {
    var id = req.params.id;
    sql.connect(config, function(err, result, fields) {
        if (err) console.log(err);
        var request = new sql.Request();
        request.query(`select top 1 * from posts where id= ${id}`).then(recordset => {
            var info = recordset.recordsets.pop().pop();
            var title = info.post_title;
            var id = info.id;
            console.log(info.id)
            res.status(200).send(`<h1 onclick="location.href='http://localhost:4444/post/${id}'">${title}</h1>`);
        });
    });
});

app.listen(_PORT || _DEFAULTPORT, function() {
    console.log(`\n\nServer running: ${_PROTOCOL}://${_SERVER}:${_PORT || _DEFAULTPORT}`);
});