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Server Setup

Requirements:

  • Server CentOS9
  • Minimum 500 GB hard drive
  • 8 GB RAM

API's Require:

  • Digio PAN Verification
  • Digio ADDHAR SIGN
  • Digio IFSC Verification
  • Digio Bank Account Verification
  • Google Map's Geocoding API
  • SMS API Credentials
  • EMAIL Server Credentials
  • KRA/CVL
  • Razor Pay

Company Logo Require:

  • .PNG format 186x32
  • .SVG format 186x32
  • favicon.ico 16x16

Server Setup

1) Here’s a step-by-step guide to installing Node.js on CentOS 9:

Step 1: Update the System

Start by updating the system to ensure all packages are up-to-date.

sudo dnf update -y

Step 2: Add Node.js Repository

Node.js provides its official repository for different versions. To add the Node.js repository:

  1. Install the dnf-utils package to manage repositories easily:

    sudo dnf install -y dnf-utils

  2. Add the Node.js repository:

    sudo dnf module reset nodejs 
sudo dnf module enable nodejs:18 -y

    (Replace 18 with the desired version of Node.js, e.g., 20 for the latest LTS.)

Step 3: Install Node.js

Now, install Node.js along with npm (Node Package Manager):

sudo dnf install -y nodejs

Step 4: Verify Installation

Check the installed versions of Node.js and npm:

node -v 
npm -v

2) Here’s a step-by-step guide to installing Nginx on CentOS 9:

Step 1: Update the System

Ensure your system is up-to-date before installing Nginx:

sudo dnf update -y

Step 2: Install Nginx

The Nginx package is available in the CentOS AppStream repository. To install it:

sudo dnf install -y nginx

Step 3: Start and Enable Nginx

After installation, start the Nginx service and enable it to start automatically on boot:

sudo systemctl start nginx 
sudo systemctl enable nginx

Step 4: Adjust the Firewall

If the firewall is active, allow HTTP and HTTPS traffic:

sudo firewall-cmd --permanent --add-service=http 
sudo firewall-cmd --permanent --add-service=https 
sudo firewall-cmd --reload

Step 5: Verify the Installation

  1. Check the status of the Nginx service:

    sudo systemctl status nginx

3) Here’s a step-by-step guide to installing Stunnel on CentOS 9:

Step 1: Update the System

Ensure the system is up-to-date:

sudo dnf update -y

Step 2: Install Stunnel

Stunnel is available in the EPEL (Extra Packages for Enterprise Linux) repository. Install the EPEL repository first:

sudo dnf install -y epel-release

Then install Stunnel:

sudo dnf install -y stunnel

Step 3: Start and Enable Stunnel

  1. Enable the Stunnel service to start automatically:

    sudo systemctl enable stunnel

  2. Start the Stunnel service:

    sudo systemctl start stunnel

  3. Check the service status:

    sudo systemctl status stunnel

Step 4: Adjust the Firewall

If you're using a firewall, open the required ports (e.g., 443 for HTTPS):

sudo firewall-cmd --permanent --add-port=443/tcp 
sudo firewall-cmd --reload

Here’s a step-by-step guide to installing MongoDB on CentOS 9:

Step 1: Add the MongoDB Repository

MongoDB is not available in the default CentOS repositories, so you need to add the official MongoDB repository.

  1. Create the repository file:

    sudo nano /etc/yum.repos.d/mongodb-org-6.0.repo

  2. Add the following repository configuration:

    [mongodb-org-6.0]
name=MongoDB Repository 
baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/6.0/x86_64/ 
gpgcheck=1 
enabled=1 
gpgkey=https://www.mongodb.org/static/pgp/server-6.0.asc

    (Replace 6.0 with the version you want if newer versions are available.)

Step 2: Install MongoDB

  1. Install MongoDB using dnf:

    sudo dnf install -y mongodb-org

Step 3: Start and Enable MongoDB

  1. Start the MongoDB service:

    sudo systemctl start mongod

  2. Enable MongoDB to start on boot:

    sudo systemctl enable mongod

  3. Verify that MongoDB is running:

    sudo systemctl status mongod

Step 4: Verify the Installation

  1. Access the MongoDB shell to verify installation:

    mongo

  2. Check the version:

    db.version()

Install Certbot on centos9

sudo dnf install -y certbot python3-certbot-nginx

Install pm2 for managaing processes

npm i -g pm2

Upload "e-kyc-website-frontend" folder to server then run below command

cd /e-kyc-website-frontend
npm i
pm2 start server.js

Upload "e-kyc-admin-frontend" folder to server then run below command

cd /e-kyc-admin-frontend
npm i
pm2 start admin.js

To save Process for faster management run

Used to Save Process List in Dump File faster start/stop process.

 pm2 save

To check list is save or no after reboot of server do

pm2 status

if list is empty start manually using

pm2 start <filepath>

to stop

pm2 stop <filepath>

To Start Stop Restart if List is Exist Do

pm2 start all
pm2 stop all
pm2 restart all

command for Enforcing access to server

setenforce 0

or

  setenforce Permissive

Hellow World

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