Cloud Native (CNCF) – DevopsCurry

Introduction to Kubernetes: The Go-to Container Orchestration Tool

Fri, 16 Aug 2024 06:27:05 +0000

If you google for Kubernetes, you will be hit with terms like orchestration, containers, and Docker. But what are these things? And how are they related to Kubernetes?

That’s what we are covering in today’s article. Here, you will be learning about Kubernetes and its working, plus how it relates to the terms mentioned above.

Let’s start from the beginning: What are Containers?

Containers are the fundamental units of containerization technology. They are lightweight packages that contain the application code and its dependencies like runtime, libraries, databases, etc. They are highly portable and help improve the speed and efficiency of the development and deployment process. The most popular example of containerization technology is Docker, an open-source platform that uses containers to facilitate the development, testing, and deployment of software.

However, although lightweight, the number of containers can often get out of hand for large-scale companies that provide a variety of services. In this case, managing hundreds and thousands of containers requires a separate tool.

That’s where an orchestration tool like Kubernetes comes in…

What is Kubernetes & Container Orchestration?

AWS defines container orchestration as “…the process of automating the networking and management of containers so you can deploy applications at scale.” As businesses grow, they add more and more services or features to their applications, with each of them having its own container. If a business keeps growing in this way, a time comes when there are thousands of containers that need to work simultaneously to keep the whole application well alive. However, managing such huge numbers of containers manually can be impractical and lead to a variety of problems and inefficiencies. This is why a container orchestration tool is required – to manage the containers.

Kubernetes (also known as K8s) is a container orchestration tool that was originally developed by Google and released as an open-source platform in 2014. Although there are other orchestration tools like Docker Swarm and Mesos as well, Kubernetes is the most popular one and is considered an industry standard.

Kubernetes Architecture: Components and Working

Image credits: The Kubernetes Architecture

Kubernetes cluster: A Kubernetes cluster is a set of nodes (or, in simple terms, computers) that run containerised applications. A cluster consists of 2 kinds of nodes: the master node and several worker nodes.
Nodes: The worker nodes are those that do the actual work of running the applications. The master node, on the other hand, manages these worker nodes by monitoring and scheduling various processes. It is further made up of 3 components: API server, scheduler, and controller manager.
Components of master node: The Application Programming Interface (or API) server acts as the link between the user and the various components of the K8s cluster. It is through this that one interacts with pods, services, and nodes within the cluster. The controller manager simply monitors the performance of the cluster. The scheduler, as the name suggests, schedules the placement of pods and containers based on the current capacity and availability of resources.
Pods: A worker node contains several pods, which are the smallest unit in Kubernetes architecture. Pods can further contain a single container or a group of containers. All the containers in a pod share the same resources and a common IP address. This IP address is used by pods to communicate with each other. Moreover, pods are ‘ephemeral’, which means they can ‘die’ (i.e. fail) in case of application crash or node failure. The backup, in these cases, is provided by services.
Services: Failed pods are quickly replaced or recreated by the master node. However, the newly created pod always comes with a new IP address. Since pod failure happens frequently, the IP address also changes often, which can affect the communication network between the pods. To solve this issue, services act as the permanent IP address of a pod. Even if the pod behind a service changes, the service remains as it is and keeps the communication going.
Kubelet: Kubelet is an important component of the K8s cluster, which is present on every worker node. It monitors and facilitates coordination and communication between all the components (pods and nodes) of the cluster.

Benefits of Using Kubernetes

Kubernetes orchestration helps businesses implement containerization effectively, especially when the containers are in large numbers.
It can be used to automate container deployment and scaling. During peak times, it can automatically scale up the resources (by adding pods) for better performance. During low traffic, it can scale down the resources (by removing pods) to reduce waste.
Kubernetes reduces downtime and ensures the availability of the application 24/7 through load balancing and automatic replacement of failed or unhealthy pods.
It helps to save on costs and resources by automating the various processes mentioned above.
Kubernetes overall complements and supports modern approaches to software development like DevOps and microservices.

Conclusion

Kubernetes has become a game-changer in the world of container orchestration, providing a robust and scalable solution for managing complex applications. Its ability to automate deployment, scaling, and operations across clusters has made it an essential tool for modern DevOps practices. As organisations continue to embrace cloud-native technologies, Kubernetes will play a critical role in enabling more efficient and resilient application management. Whether you’re just starting out or looking to optimise your existing infrastructure, Kubernetes offers the flexibility and power needed to meet the demands of today’s fast-paced tech environment.

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Sustainable DevOps: Optimizing DevOps For The Planet

Wed, 07 Aug 2024 06:02:17 +0000

Detail Information About Sustainable DevOps

Introduction & History Of Sustainable DevOps

Sustainable DevOps is a concept that combines the principles of sustainable development with the practices of DevOps. DevOps, a blend of “Development” and “Operations,” is a methodology aimed at improving collaboration between software developers and IT operations. It focuses on automating and integrating the processes of software development and IT operations to increase the speed and reliability of software delivery.

Sustainability in this context refers to practices that ensure long-term environmental, social, and economic health. Sustainable DevOps aims to make the process of developing, deploying, and maintaining software more environmentally friendly, cost-effective, and socially responsible.

DevOps emerged in the late 2000s as a response to the traditional separation between software development and IT operations. This separation often led to inefficiencies and slow release cycles. DevOps sought to break down these silos by fostering a culture of collaboration, continuous integration, and continuous delivery (CI/CD). By the mid-2010s, organizations began to recognize the importance of incorporating sustainability into their DevOps practices.

Environmental impacts of Software Development

You use a variety of software’s and applications throughout the day. Each software drains your mobile’s or PC’s battery at different speeds. To keep your battery and your device working, you need to charge or power them with electricity. Now unless you are getting it from solar panels or windmills, high chances are that the electricity you use comes from burning fossil fuels. These fossil fuels, as you must have read a hundred times in your school, are limited and cause pollution when burnt. In short, the software’s that you are using is directly linked to pollution, or in technical terms, carbon emission.

The carbon footprint of an individual software or the software carbon footprint is affected by the software’s code quality, architecture, network usage, etc.

Moreover, the devices and hardware that runs the software also emits large amounts of carbon during its manufacturing. After their life ends, they are dumped in landfill while only a minimal percentage of them gets recycled. This is called embodied carbon (or embedded carbon) which is the amount carbon emitted during the manufacturing and disposal of a device. This means that even if a hardware is not using much electricity, it has already contributed to the carbon footprint during its manufacturing. An FPT TV and desktop computers have a much higher embodied carbon while a smartphone has the least.

Image Credit: https://learn.greensoftware.foundation/assets/images/17_embodioed_carbon-9e6e805fdc5d2381d34fb0b391618e11.png

What is Sustainable DevOps?

Sustainable DevOps, also referred to as Green DevOps or DevGreenOps, is a DevOps approach that focuses on reducing the environmental impact of software development processes. In other words, you can say it is an ideology that sees DevOps as the key to reduce the carbon footprint of the IT development industry. It involves the use of eco-friendly DevOps practices and instilling a sense of responsibility among the company’s teams.

In another terms, it refers to the practice of integrating sustainability principles into the DevOps processes, aiming to create software and manage IT infrastructure in an environmentally friendly way. This involves optimizing resource usage, reducing energy consumption, and minimizing the carbon footprint of IT operations.

Sustainable DevOps practices

Improving code efficiency

Poorly written or longer codes can increase the energy consumption of software and ultimately lead to more carbon emissions.

Green coding is defined by Stl Partners as “programming code that has been produced and written in a way that minimizes the energy consumption of software, thereby limiting the potential environmental impact.” Lazy loading (loading only those resources that are required at the moment) and caching mechanisms (locally storing frequently accessed data) are some green coding practices that help to save energy.

Using cloud services

Cloud computing allows businesses to use computing resources (servers, storage, infrastructure, etc.) whenever required without relying on physical hardware. In addition to being cost-efficient, cloud computing has numerous environmental benefits as well.

Firstly, it reduces the need for physical hardware that, as discussed before, reduces carbon emissions. Then, some cloud providers use green data centers that run on renewable energy. Lastly, cloud resources are auto-scalable. This ensures that no extra energy or hardware is wasted while business requirements are also met.

Continuous monitoring

In DevOps, continuous monitoring refers to constant monitoring and analysis of the development and operations processes. But in terms of sustainable DevOps, continuous monitoring refers to constantly checking the environmental impact of software’s instead. It involves tracking parameters like carbon emissions, energy consumption, and resource utilization.

Carbon Footprint, released by Google Cloud in 2022, is a monitoring tool that helps businesses track their carbon emissions based on their Google Cloud platform usage.

Automation

Automation can help in efficient resource utilization and make sure resources are used only when necessary. It can automatically scale up resources (like servers) during peak times and scale down during peak-off times. In this way, it also helps in reducing unnecessary costs. Automated monitoring tools can help monitor carbon and energy efficiency as discussed before. They can also be used to detect anomalies and inefficient codes.

Conclusion

Sustainable DevOps is about making the process of developing and running software more environmentally friendly and responsible. It combines the speed and efficiency of DevOps with sustainable practices like using energy-efficient technology, writing efficient code, and reducing waste. By adopting Sustainable DevOps, organizations can not only improve their software delivery but also help protect the environment and support long-term social and economic health. Embracing these practices benefits everyone—businesses, customers, and the planet.

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Cloud Security Best Practices

Shiwani Sharma — Thu, 13 Jun 2024 02:34:05 +0000

Best Top 10 Cloud Security Best Practices

For those companies who have a plan for moving to a cloud, they must know about cloud security best practices. It’s a necessity for all organizations and nowadays, almost 90% of organizations and industries utilize several cloud services which are based online and all the hackers in the market prefer cloud services. Cloud security integrates and preserves your cloud-based system, data, and infrastructure and that includes the processes, controls, policies and technology. Here are some best cloud security practices, let’s discussed and understand below:

1. Understand the data about how it is stored and accessed

It is very difficult to analyze and infer what data they are operating and if the data is safe or not although most of the data is inhabiting in cold services there is no assurance for 100% safety of data. The total amount of files in the cloud includes susceptible data elements. For all cloud users, it is important to pay attention to the security of data and sensitive data have required stronger safety. A company has to follow and pertain to important migration strategies and for the safety of the data firstly it is necessary to identify data that includes the most organized information.

2. Providing instruction to staff

It is very important to provide all the information and skill to your staff for the protection of your data. Delivering all the information, tricks regularly to your staff helps them to recognize the problems and love them easily and quickly. To analyze and be safe from all the risks, all the users and the employee suggest the security of the cloud, an organization can examine the network firewalls, event management system catches the security information by this it reduces the risk level towards the administrative security. This also enables the user to have finalized or access to the cloud account of an organization.

3. Protect a comfortable list

For the company’s success and goal, every employee has to utilize the cloud services. An organization has to create and protect a safe and secure list of all the workers can access through their cloud accounts. This list helps to analyse the fewer problems that are occurring from losses.

To stipulate the data which every worker can access, have to organize a safe and secure list that facilitates an organization. Though whatever the data can utilize in the cloud environment, a safe list gives all users of the cloud a full list of applications and also it gives a proper knowledge of security practices to notice when interacting with the application and also the cloud data.

4. Regular monitor the atmosphere for security

To assure that all the security SLAs are fulfilled regularly and for the safety of applications and data, the existing cloud safety efforts are enough and for assuring this, an organization must have to perform a regular audit, vulnerability tests and routine penetration. First thing that has to be kept in mind is that both the user and cloud provider are equally responsible for the cloud security.

5. Is the cloud provider providing security?

All the data a provider captures belongs to you and you can ask several issues regarding the data and the methodology that your cloud provider is using. Many of the cloud provider security solutions can differ being sure of their data services and of their application.

6. You can trust the user but have to verify

There is an extra verification method for different security practices such as having to prefer a password for security that cloud buyers can accept. Providing the best cloud security on some items can comprise a code sent to mobile that only a user knows about, this will help to provide a bolstered cloud security. A company must assure that a user has the power to approach and interact with that cloud data. On the other hand, employees have to enact the verification process, which users might require to permit special types of cloud application and data.

7. Prevent and Regulate

For all the cloud security issues a buyer or a cloud provider both have equal duties for regulating and reacting. They can also utilize the data to regulate the immediate differences in concerns to a user’s business with the application and cloud data. A cloud dealer regulates IT infrastructure which is utilized to give computation resources and services and this will consist of networks, SaaS applications, virtual machines etc. Here a cloud provider is required to notify all the activities which can organize an acceptable response to a customer.

8. Knowledge About Shared Responsibility Model

When it is decided to select a cloud partner it is necessary to know about what security factors a partner will be going to rectify and important to examine the policies of the partner about the shared security. By this, it gives both the parties apparent responsibility and that prevents security and high risk.

9. Method for endpoint security

Protecting the end-user devices such as mobile, desktops, the laptop is the definition of endpoint protection. For many devices and their corporate network, an organization wants to save an endpoint to permit the cloud accounts and by improving endpoint security a company is saved from dangerous activities.

10. Have to select the cloud vendors gingerly

For generating more customers cloud services have to provide the best cloud services. Every company CISOs (Chief Information Security) have the duty of promoting the best and most secure vendor to their employees. For selecting one of the best and most secure cloud providers, a company have to borrow several points to evaluate their abilities for security.

Conclusion

Implementing robust cloud security best practices is essential to safeguarding your organization’s data and maintaining compliance with industry standards. By adopting a multi-layered security approach, including strategies such as data encryption, access management, regular security audits, and comprehensive incident response plans, businesses can significantly mitigate the risks associated with cloud computing. It’s imperative to stay informed about evolving threats and continuously update security measures to protect against vulnerabilities. By prioritizing cloud security, organizations can confidently leverage the benefits of cloud technology while ensuring the confidentiality, integrity, and availability of their data.

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An Ultimate Guide On Low-Code, No-Code Platform (LCNC)

Shiwani Sharma — Wed, 15 May 2024 07:50:00 +0000

Low Code, No Code Development Platform(LCNC)

Introduction

This LCNC platform is designed for people with limited coding knowledge and for those who know coding but have no time to do it. They may be familiar with real coding languages such as Java, Python, etc. Both platforms aim to speed up the application development process. Nowadays, many organizations prefer LCNC because it accelerates the software development process, reducing dependence on traditional coding.

Both low-code and no-code have become popular and important because they significantly reduce the time required to create software applications and make them available to the audience. LCNC techniques are beneficial for constructing internal tools and implementing applications of various sizes. This is best for those organization and people who are making tools online, and now anybody can make the website and application by their own with the help of LCNC including content creators, designers and owner of any organization.

Let’s understand these two terms separately, as defined below:

Low-Code Development

In traditional development, developers create applications manually, which is time-consuming and error-prone. With low-code development, developers can create applications quickly by avoiding manual coding. They use custom code when necessary and rely on templates and pre-built components to build applications. An important role of low-code development is to address business problems without writing comprehensive code.

Definition of Low-Code Development Platform (LCDP) as per Wikipedia: A low-code development platform (LCDP) provides a development environment used to create application software, generally through a graphical user interface (as opposed to only writing code, though some coding is possible and may be required). A low-coded platform may produce entirely operational applications, or require additional coding for specific situations.

No-Code Development

No-code takes the concept of low-code further by providing a platform where users with little or no coding knowledge can easily and quickly create applications. The targeted audience of the no-code platform includes citizen developers, business users, and individuals without a programming background but possess domain expertise and can identify automation opportunities to streamline processes.

Definition of No-Code Development (NCDPs) as per Wikipedia: No-code development platforms (NCDPs) allow creating application software through graphical user interfaces and configuration instead of traditional computer programming based on writing code.

Image Credit:https://gradientflow.com/ranking-low-code-development-platforms/

The above images shows you the common types of low-code, No-code development tools.

Advantages of LCNC

Here is a list of advantages of LCNC:

Faster Development: LCNC importantly speeds up the development process, reducing the overall development time and enabling faster application development.
Easy to Supervise: LCNC makes it easier to manage the development process and minimizes struggles related to coding.
Easy to Use: Unlike complex code that can be difficult to understand and execute, LCNC is easy to comprehend, making it simple to identify configurations.
Cost Saving: LCNC eliminates the need for a large development team, resulting in indirect cost savings for the organization.
Bridging the Knowledge Gap: LCNC allows non-developers to create applications without coding knowledge, bridging the gap between business requirements and IT.

Disadvantages of LCNC

However, LCNC also has some disadvantages:

Less Customization: LCNC does not support highly customized solutions, limiting the building of high-level applications. Unlike traditional coding, developers may have fewer options for customization.
Less Security: Since LCNC platforms have no control over the source code, applications created by users with limited coding knowledge may have higher security risks.
Performance Issues: Applications built with LCNC may have lower performance compared to those developed using manual methods.
Deliberation Of Cost: With the help of LCNC, the cost of decreasing the requirement of skilled developers is low, organization has to be strictly follow the overall cost of ownership, that consists training cost, potential vendor lock-in, to secure cost-effectiveness over the long term.
Depending on Third-Party Services: Organization should be think of potential changes to those integration which could impact the application functionality and performance.

Difference Between Low-Code And No-Code

S.No.	Low-Code	No- Code
01	Low-code is used for complex application	It is used for tracking the application, for reporting and analytics.
02	In low-code, it’s important to have basis technical knowledge.	In no-code there is no limitations required.
03	It is a advance application.	It is a simple and easy application.
04	It is used by developer.	It is used by business users only.
05	Coding is requires in little basis.	No coding requires in no-code.

Conclusion

This LCNC platform is designed for people with limited coding knowledge and for those who know coding but have no time to do it. Both Low-Code, No-Code platforms aim to speed up the application development process. Both low-code and no-code have become popular and important because they significantly reduce the time required to create software applications and make them available to the audience.

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Understanding Cloud Native in 2024 : An Overview

Shiwani Sharma — Thu, 28 Mar 2024 05:39:56 +0000

Understanding Cloud Native

Cloud Native;This technology is all about skill, speed and improving the way of designing a very important system of business. The procedure of business is developing from facilitating the skill of business to existing some strategic modification that helps to stimulate the speed and growth of business and instantly it provides the ideas to the market. There are some features and pillars or points that procure the bedrock for cloud-native systems that are the Microservices, Containers, Backing services, Automation and the last one is Modern design. Cloud-native is one of the important themes in software development and it is the outlook of software development. It has changed the procedure and the way we understand the operating software product, deploying, developing.

Cloud-native affects the operation of your application, design, deployment and enactment. This provides all this not only operating the prevailing application and many more. Providing the benefit of the cloud computing model, the cloud native is the way to create and operate an application.

What is the Cloud Native Computing Foundation?

CNCF (The Cloud Native Computing Foundation) that is developed in the year 2015 which is an open-source foundation that facilitates the adoption of cloud-native computing and that motive is to organize a society that is vendor irreligious for the developers, IT technology and the service providers to work together as an open-source people.

You can utilize cloud-native computing foundation as open-source software as well as many other technologies to create and deploy applications on some platform-like cloud computing, some of the technologies are microservices, containers, service mesh etc. It also conserves some of the branded technologies and assures them to use them properly for the society elements.

What is Cloud Native Architecture?

It’s an open-source software foundation that consists of some of the big organizations or platforms like Cisco, IBM, Google, VMware, Intel etc. And it’s main function is to be assigned for creating cloud-native computing universal and bearable. Some companies require a software company and it is not necessary of having a software business for that, so for that Cloud Native Computing Foundation is required. Cloud-native permits to work rapidly for all the software and IT companies. You can establish software in the house as well all the people who belong from the business to near partner with the people who belong from IT by accepting the technologies of cloud-native, this contributes sufficient benefits to their clients.

Benefit of Cloud-Native Application

Image Credit: https://www.xenonstack.com/blog/cloud-native-architecture

There are many benefits of cloud native application, some of the benefit we are going to discuss below:

Provided customer satisfaction: Adding more characteristics and giving more speed and creating customer engagement and employee experiences is one of the important benefits of cloud-native applications and by this the customer and it also permits you to Enhance the experience of the customer. Customer can approach the application faster and accurately and by that it impact a positive response to the customers.
Decreased the expenditure: Many of the organizations are utilizing Kubernetes for containers and it operates resources in the cloud for being an open-source platform. At last by all this, it decreases the expenditure and it is beneficial for the organization.
Ease of Management: By utilizing some of the platforms like Azure function, AWS Lambda, on these platforms no one have to take tension and not necessarily about managing as like allocating storage, configuring networking etc.
Cost Efficient: Cloud-Native application helps the organization to improve their infrastructure costs. There are many services that helps to decrease the infrastructure expenses such as pay when you are using the pricing model, auto scaling, resources optimization tools etc. Cloud native infrastructure also helps to decrease the maintenance cost, backup cost and development etc.
Enhanced Security: One of the best benefit of cloud native application is it help to enhanced the security. Though we know CI/CD pipelines can be utilized in the workflow of cloud-native development and these pipelines automate the process of testing, building, deploying applications etc. that will help to enhance the security. Cloud-native has the dynamic scalability that means it can scale dynamically based on demand using the platform container orchestration like Kubernetes. This scalability permits the organization to respond to vary workload while maintaining security.

Conclusion: The journey of cloud native is not merely a technological shift, it represents a cultural transformation. It encourages collaboration, embraces automation, and fosters a mindset that values resilience and adaptability. Cloud native technology is all about skill, speed and improving the ways of designing a very important system of business. The procedure of business is developing from facilitating the skill of business to existing some strategic modification that helps to stimulate the speed and growth of business and instantly it provides the ideas to the market.

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