NODEJS
- Linux
About
Node.js is an open-source server environment that is designed to develop scalable network applications. It is a cross-platform JavaScript runtime environment and runs the V8 JavaScript engine.
Features of Node.js include:
Event-driven or Asynchronous: The APIs of the Node.js library is asynchronous which means that Node.js based server does not have to wait for an API to return data. The server automatically moves to the next API after calling it and a notification mechanism of Events of Node.js helps the server to attain a response from the previous API call.
Faster: It is evident that the Node.js library is very fast when it comes to code execution as it is built on Google Chrome’s V8 JavaScript Engine.
Single-Threaded Yet Highly Scalable: Node.js makes use of a single-threaded model with event looping. Event mechanism helps the server to respond in a non-blocking manner and makes the server highly scalable as opposed to outdated servers that develop limited threads to manage requests. Node.js makes use of a single-threaded program and the same program has the potential to offer service to a much larger number of requests in comparison to traditional servers such as Apache HTTP server.
No Buffering: One of the best features of Node.js applications is that they never buffer any data as these applications simply output the data in chunks.
- Type virtual machines in the search.
- Under Services, select Virtual machines.
- In the Virtual machines page, select Add. The Create a virtual machine page opens.
- In the Basics tab, under Project details, make sure the correct subscription is selected and then choose to Create new resource group. Type myResourceGroup for the name.*.
- Under Instance details, type myVM for the Virtual machine name, choose East US for your Region, and choose Ubuntu 18.04 LTS for your Image. Leave the other defaults.
- Under Administrator account, select SSH public key, type your user name, then paste in your public key. Remove any leading or trailing white space in your public key.
- Under Inbound port rules > Public inbound ports, choose Allow selected ports and then select SSH (22) and HTTP (80) from the drop-down.
- Leave the remaining defaults and then select the Review + create button at the bottom of the page.
- On the Create a virtual machine page, you can see the details about the VM you are about to create. When you are ready, select Create.
It will take a few minutes for your VM to be deployed. When the deployment is finished, move on to the next section.
Connect to virtual machine
Create an SSH connection with the VM.
- Select the Connect button on the overview page for your VM.
- In the Connect to virtual machine page, keep the default options to connect by IP address over port 22. In Login using VM local account a connection command is shown. Select the button to copy the command. The following example shows what the SSH connection command looks like:
bashCopy
ssh azureuser@10.111.12.123
- Using the same bash shell you used to create your SSH key pair (you can reopen the Cloud Shell by selecting >_ again or going to https://shell.azure.com/bash), paste the SSH connection command into the shell to create an SSH session.
Usage / Deployment Instructions
Step 1: Access the Nodejs in Azure Marketplace and click on Get it now button.
click on continue and create,
Step 2: In the create a virtual machine window, enter or select appropriate values for zone, machine type, and so on.
Click on Create;
Once your Deployment is successfull,
Step 3: Open putty and connect with your machine. Add IP address of the running EC2 instance.
Step 4: check node -v
Check npm –version
Check nvm –version
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Highlights
- JavaScript: Node.js offers great support for the JavaScript programming language.
- Open Source: It is open-source and properly maintained by contributors across the globe.
- Everywhere: It has been used in a wide variety of places.
Application Installed
