AngularJS setup in Linux

1. Remove the older NPM / NODE / NG modules
    sudo apt purge ng-common ng-latin
    sudo apt purge node
    sudo apt purge npm
    sudo apt-get update

2. Install new version
     curl -sL https://deb.nodesource.com/setup_11.x | sudo -E bash - sudo 
OR
     curl -sL https://deb.nodesource.com/setup_11.x | sudo -E bash
      apt-get install -y nodejs
OR
     sudo apt-get update  
     apt-cache policy nodejs  
     sudo apt install nodejs
     sudo npm install -g @angular/cli

   npm --version
   node --version

3. Go to your folder
    npm install

4. type
    ng serve --host=ip

 OR to run in background
    nohup ng serve --host=ip &


RUN = http://ip:4200

NodeJS - Request Plugin for file attachment MULTIPART/FORM-DATA

package.json

{
  "name": "sample",
  "version": "1.0.0",
  "description": "",
  "main": "apicall.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "dependencies": { 
    "request": "^2.83.0" 
  }
}

apicall.js

var fs = require("fs");

var request = require("request");

var fs = require('fs');

var request = require('request');

request.post({

    url: 'https://url/upload',

    formData: {

keyName1: 'value1',

                keyName2: 'value2',               

               file: fs.createReadStream('d:/temp/30off.jpg')

    },

}, function(error, response, body) {

    console.log(body);

});

steps

npm install
node apicall.js

Nodejs nodemailer - Send Email

1. go to cmd prompt in your root project folder 
   Type npm install nodemailer


2. create mail.js

var express = require('express');
var nodemailer = require("nodemailer");
var smtpTransport = require("nodemailer-smtp-transport")
var app = express();

var smtpTransport = nodemailer.createTransport(smtpTransport({
    host : "smpt.gmail.com",
    secureConnection : false,
    port: 587,
    auth : {
        user : "drvijayy2k2@gmail.com",
        pass : "test123"    }
}));
app.get('/send',function(req,res){
    var mailOptions={
        from : "drvijayy2k2@gmail.com",
        to : "drvijayy2k2@gmail.com",
        subject : "Your Subject",
        text : "Your Text",
        html : "HTML GENERATED",
        /*attachments : [
            {   // file on disk as an attachment                //filename: 'a.txt',                path: 'd:/a.txt' // stream this file, use only path property and send the file name in the end, else you may get folder read error            }
        ]*/
    }
    console.log(mailOptions);
    smtpTransport.sendMail(mailOptions, function(error, response){
        if(error){
            console.log(error);
            res.end("error");
        }else{
            console.log(response.response.toString());
            console.log("Message sent: " + response.message);
            res.end("sent");
        }
    });
});

app.listen(3000,function(){
    console.log("Express Started on Port 3000");
});

3. Go to command prompt where the mail.js stored

    Type node mail.js

4. open brower

 http://localhost:3000/send