How to install node, how to install latest node

Node.js is a well-known server-side but also a network-based website runtime environment. Developers use this software all over the world to lớn make immersive và event-driven applications. All common website servers, especially IIS and Apache, work fine with Node.js code. The backend of Node.js applications was javascript.

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The Linux Foundation has collaborated on Node.js. As a result, Node.js speaks lớn a "JavaScript anywhere" worldview, uniting web application development around a single programming language rather than several dialects for server- & client-side content.


Node.js is an interface technology that developers are increasingly exploring & integrating. Several well-known web applications và utilities now use this tool. Here are some of Nodejs' most notable general functions.

Nodejs is better suited for real-time website apps because it uses push technologies over sockets.It is data-driven, lightweight, và effective.Capacity to lớn accommodate a much larger number of simultaneous links.It runs on a single thread, taking less energy and delivering content faster.Ensures that both the front end và the back end are developed consistently.Using both automated and scripts, Nodejs framework testing has proved lớn be much simpler.A package manager for Node.js

This is mostly used lớn load node programmes. It can also be used during the implementation period, as it allows specifying & linking dependencies a breeze. This utility only works with the command prompt or shell, and it takes a basic understanding of DOS or Shell to get started with Nodejs ứng dụng dependency.

To tìm kiếm the version of Node.js you have installed, type the following line:

nodejs -v

After you've installed the Node.js update from the Ubuntu repository, you will decide if you want to giảm giá with separate releases, tệp tin files, or version managers. Following that, we'll discuss these components as well as more adaptable & durable assembly methods.

Install using NPM

We'll install Nodejs first, followed by Node Package Manager (npm):

To install nodejs on your Ubuntu device, mở cửa the terminal & type the command:

sudo apt-get install nodejs


To install npm, enter the following command on the terminal until Nodejs is installed.

sudo apt-get install npm


Completing all of these must not take longer than a few minutes. Because of its enormous success, the Nodejs module is now included in the Ubuntu package manager. This is supported by any current Linux package manager.

To see npm module tư vấn and various command-line choices, run the following command.

npm --help


As you can see, there are a few options for getting Node.js operating on Ubuntu 16.04. You'll know which option is better for you based on your conditions. The prepackaged variant in Ubuntu's repositories is the most straightforward, but the nvm approach is more flexible like E2E networks which is a self-service cloud platform that is designed to lớn provide high capacity for the web/mobile server-side applications.

Let’s talk about the products và services offered by E2E Cloud:

E2E Block Storage

E2E Block Storage allows us khổng lồ use block-level data capacities for our computing nodes. These volumes can be connected lớn the computing nodes, allowing them to lớn access their data và file system. If your node runs Linux, you should instal this volume file system in the same way you can any other file system.

Database as a Services(DBaaS)

E2E Database as a Services(DBaaS) makes it easy khổng lồ set up, operate, and scale a relational database in the cloud. E2E Cloud offers a choice of fully managed relational databases, lớn fit the needs of modern ứng dụng developers. Infrastructure management—including scalability, availability and security—is automated, saving you time and money. Focus on building applications while E2E managed databases make your job simpler.

Cloud GPUs

Cloud GPU compute for Al, machine learning, and deep learning. Accelerate your machine learning và high-performance computing applications with powerful E2E Cloud GPUs. Supports all the popular deep learning frameworks.

Windows on E2E Cloud

E2E offers the best cloud for Windows, and it is the right cloud platform for running Windows-based applications today & in the future. Windows computing nodes are one of our most popular compute nodes among developers and enterprise customers. Windows on E2E Cloud enables you to lớn increase or decrease capacity within minutes. You can commission as many servers as you require.

High Memory Cloud

The 2nd generation Memory Intensive computing node plans are designed lớn offer double the amount of vCPUs và more than triple the amount of RAM at the same price compared to the first generation. Experience higher throughputs by enhanced storage and improved networking.

Final Words

Nodejs is a programming language that can be used lớn build web applications of any scale and complexity. It is thought khổng lồ be the future of website growth, và therefore we should continue lớn see improvements in the immediate future.

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Any business is enlivened by its customers. Therefore, a strategy to constantly bring in new clients is an ongoing requirement. In this regard, having a proper customer acquisition strategy can be of great importance.

So, if you are just starting your business, or planning to lớn expand it, read on to lớn learn more about this concept.

The problem with customer acquisition

As an organization, when working in a diverse & competitive market like India, you need to lớn have a well-defined customer acquisition strategy to lớn attain success. However, this is where most startups struggle. Now, you may have a great product or service, but if you are not in the right place targeting the right demographic, you are not likely khổng lồ get the results you want.

To resolve this, typically, companies invest, but if that is not channelized properly, it will be futile.

So, the best way out of this dilemma is to lớn have a clear customer acquisition strategy in place.

How can you create the ideal customer acquisition strategy for your business?

Define what your goals are

You need to lớn define your goals so that you can meet the revenue expectations you have for the current fiscal year. You need khổng lồ find a value for the metrics –

MRR – Monthly recurring revenue, which tells you all the income that can be generated from all your income channels.CLV – Customer lifetime value tells you how much a customer is willing to lớn spend on your business during your mutual relationship duration. CAC – Customer acquisition costs, which tells how much your organization needs to lớn spend khổng lồ acquire customers constantly.Churn rate – It tells you the rate at which customers stop doing business.

All these metrics tell you how well you will be able to lớn grow your business and revenue.

Identify your ideal customers

You need to understand who your current customers are & who your target customers are. Once you are aware of your customer base, you can focus your energies in that direction & get the maximum sale of your products or services. You can also understand what your customers require through various analytics và markers & address them lớn leverage your products/services towards them.

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Choose your channels for customer acquisition

How will you acquire customers who will eventually tell at what scale & at what rate you need khổng lồ expand your business? You could market và sell your products on social truyền thông channels like Instagram, Facebook và YouTube, or invest in paid sale like Google Ads. You need lớn develop a chất lượng strategy for each of these channels. 

Communicate with your customers

If you know exactly what your customers have in mind, then you will be able to develop your customer strategy with a clear perspective in mind. You can vày it through surveys or customer opinion forms, email contact forms, blog posts and social truyền thông posts. After that, you just need to measure the analytics, clearly understand the insights, and improve your strategy accordingly.

Combining these strategies with your long-term business plan will bring results. However, there will be challenges on the way, where you need khổng lồ adapt as per the requirements khổng lồ make the most of it. At the same time, introducing new technologies like AI and ML can also solve such issues easily. Lớn learn more about the use of AI and ML and how they are transforming businesses, keep referring lớn the blog section of E2E Networks.

Reference Links


3D reconstruction is one of the most complex issues of deep learning systems. There have been multiple types of research in this field, và almost everything has been tried on it — computer vision, computer graphics and machine learning, but lớn no avail. However, that has resulted in CNN or convolutional neural networks foraying into this field, which has yielded some success.

The Main Objective of the 3 chiều Object Reconstruction

Developing this deep learning technology aims to lớn infer the shape of 3d objects from 2 chiều images. So, to lớn conduct the experiment, you need the following:

Highly calibrated cameras that take a photograph of the image from various angles.Large training datasets can predict the geometry of the object whose 3d image reconstruction needs to lớn be done. These datasets can be collected from a database of images, or they can be collected và sampled from a video.

By using the apparatus và datasets, you will be able to lớn proceed with the 3d reconstruction from 2d datasets.

State-of-the-art giải pháp công nghệ Used by the Datasets for the Reconstruction of 3d Objects

The công nghệ used for this purpose needs to stick to lớn the following parameters:


Training with the help of one or multiple RGB images, where the segmentation of the 3d ground truth needs khổng lồ be done. It could be one image, multiple images or even a đoạn phim stream.

The testing will also be done on the same parameters, which will also help lớn create a uniform, cluttered background, or both.


The volumetric output will be done in both high và low resolution, and the surface output will be generated through parameterisation, template deformation and point cloud. Moreover, the direct và intermediate outputs will be calculated this way.

Network architecture used

The architecture used in training is 3D-VAE-GAN, which has an encoder & a decoder, with TL-Net và conditional GAN. At the same time, the testing architecture is 3D-VAE, which has an encoder & a decoder.

Training used

The degree of supervision used in 2d vs 3 chiều supervision, weak supervision along with loss functions have khổng lồ be included in this system. The training procedure is adversarial training with joint 2D & 3D embeddings. Also, the network architecture is extremely important for the speed and processing chất lượng of the output đầu ra images.

Practical applications và use cases

Volumetric representations và surface representations can bởi the reconstruction. Powerful computer systems need lớn be used for reconstruction.

Given below are some of the places where 3 chiều Object Reconstruction Deep Learning Systems are used:

3D reconstruction technology can be used in the Police Department for drawing the faces of criminals whose images have been procured from a crime site where their faces are not completely revealed.It can be used for re-modelling ruins at ancient architectural sites. The rubble or the debris stubs of structures can be used lớn recreate the entire building structure và get an idea of how it looked in the past.They can be used in plastic surgery where the organs, face, limbs or any other portion of the toàn thân has been damaged and needs to be rebuilt.It can be used in airport security, where concealed shapes can be used for guessing whether a person is armed or is carrying explosives or not.It can also help in completing DNA sequences.

So, if you are planning to lớn implement this technology, then you can rent the required infrastructure from E2E Networks and avoid investing in it. And if you plan to learn more about such topics, then keep a tab on the blog section of the website. 

Reference Links

For all data science enthusiasts who would love khổng lồ dig deep, we have composed a write-up about Q-Learning specifically for you all. Deep Q-Learning và Reinforcement learning (RL) are extremely popular these days. These two data science methodologies use Python libraries like TensorFlow 2 and openAI’s thể hình environment.

So, read on khổng lồ know more.

What is Deep Q-Learning?

Deep Q-Learning utilizes the principles of Q-learning, but instead of using the Q-table, it uses the neural network. The algorithm of deep Q-Learning uses the states as input và the optimal Q-value of every kích hoạt possible as the output. The agent gathers & stores all the previous experiences in the memory of the trained tuple in the following order:

State> Next state> Action> Reward

The neural network training stability increases using a random batch of previous data by using the experience replay. Experience replay also means the previous experiences stocking, & the target network uses it for training and calculation of the Q-network và the predicted Q-Value. This neural network uses openAI Gym, which is provided by taxi-v3 environments.

Now, any understanding of Deep Q-Learning is incomplete without talking about Reinforcement Learning.

What is Reinforcement Learning?

Reinforcement is a subsection of ML. This part of ML is related to lớn the action in which an environmental agent participates in a reward-based system và uses Reinforcement Learning to lớn maximize the rewards. Reinforcement Learning is a different technique from unsupervised learning or supervised learning because it does not require a supervised input/output pair. The number of corrections is also less, so it is a highly efficient technique.

Now, the understanding of reinforcement learning is incomplete without knowing about Markov Decision Process (MDP). MDP is involved with each state that has been presented in the results of the environment, derived from the state previously there. The information which composes both states is gathered & transferred khổng lồ the decision process. The task of the chosen agent is to maximize the awards. The MDP optimizes the actions & helps construct the optimal policy.

For developing the MDP, you need khổng lồ follow the Q-Learning Algorithm, which is an extremely important part of data science và machine learning.

What is Q-Learning Algorithm?

The process of Q-Learning is important for understanding the data from scratch. It involves defining the parameters, choosing the actions from the current state & also choosing the actions from the previous state và then developing a Q-table for maximizing the results or output đầu ra rewards.

The 4 steps that are involved in Q-Learning:

Initializing parameters – The RL (reinforcement learning) model learns the phối of actions that the agent requires in the state, environment and time.Identifying current state – The model stores the prior records for optimal kích hoạt definition for maximizing the results. For acting in the present state, the state needs to lớn be identified & perform an kích hoạt combination for it. Choosing the optimal kích hoạt set and gaining the relevant experience – A Q-table is generated from the data with a mix of specific states và actions, và the weight of this data is calculated for updating the Q-Table lớn the following step.Updating Q-table rewards and next state determination – After the relevant experience is gained và agents start getting environmental records. The reward amplitude helps to lớn present the subsequent step.

In case the Q-table kích cỡ is huge, then the generation of the mã sản phẩm is a time-consuming process. This situation requires Deep Q-learning.

Hopefully, this write-up has provided an outline of Deep Q-Learning and its related concepts. If you wish lớn learn more about such topics, then keep a tab on the blog section of the E2E Networks website.

Reference Links

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