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Best DevOps Tools in 2021

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DevOps entails using many technologies to aid in creating software through the use of technology and other factors such as automation, synchronization, and automation. It simplifies and expedites the development process. The term "DevOps" refers to the joint effort of software development and software operation.

DevOps is a novel alternative to traditional software development processes. It has added new features such as standardization, cloud technologies, and automation. DevOps is adding more and more tools in the Stack, as we reviewed DevOps tools in 2019 and now it's time to refresh the list with the latest stack in 2021.

DevOps is more than simply a culture shift; it also necessitates the use of excellent tools. I have compiled a list of popular DevOps tools available today. However, investing heavily in sophisticated SaaS solutions might soon deplete the cloud budget.

There are several DevOps tools accessible, which may be confusing to many of its users. They may be concerned about which option is the best. To determine the best solution, you must first grasp how different tools work and their primary goals. Continuous integration (CI), continuous deployment (CD), continuous testing, and continuous monitoring are provided by various technologies. They also provide feedback. Here are some of the most excellent DevOps tools for you to use.

Kubernetes

With the prevalence of microservices and container-based software, it's no wonder that Kubernetes is at the top of this year's list of open-source DevOps tools. Kubernetes, which had a 48 percent increase in use in 2020, is used to orchestrate containers. Rather than manually releasing microservices, Kubernetes can automate the deployment, maintenance, and scalability of groups of containers in production.

Jenkins

Finding methods to automate and deliver new iterations more effectively is a vital component of the DevOps concept. Creating a simplified continuous integration and continuous delivery (CI/CD) pipeline is part of this aim. Jenkins is an open source server for automation with hundreds of plugins for automating software project development, deployment, and testing. 

Git

Git is a highly well-known software versioning tool. Linus Torvalds is the creator of Git. Git runs on a client-server, with a central server solely responsible for the repository of code. This code is available for download from the principal repository.

It is easily accessible to many consumers and developers. It is a fantastic technology that allows individuals who are thousands of kilometers distant to collaborate on a project, such as Google. Many prominent websites utilize Git, and their pipelines are CI/CD-based. Also It's not hard to learn Git as there are many free resources available like aCompiler blog, it has many detailed advanced blogs like git head, git commands and more.

SVN

As an alternative to GIT and centralized software versioning and revision control systems, SVN can be utilized. SVN is built in such a manner that anytime a team member or patron desires to alter a piece of code, he and he must notify the central server or repo of all changes done.

Subversion may be used straight from the command line, but there are also GUIs and IDE plugins that facilitate subversion integration. AnkhSVN, for example, is a Visual Studio-integrated subversion client.

GitHub Actions

GitHub is probably the world's most popular source control and development collaboration site.  The GitHub platform, which is built on Git, has undergone considerable changes in recent years. The most significant feature is the GitHub Actions functionality. GitHub Actions allow software packages hosted on GitHub to take input and activate different processes.

This may aid in the automation of some unique DevOps workflows within GitHub, such as code reviews, branch management, or CI/CD procedures – the possibilities are limitless. GitHub Actions are YAML files maintained in Git repositories that use GitHub webhooks. With a maximum of 100 actions, Actions is free for public repositories.

The ELK Stack

Elasticsearch, Logstash, and Kibana are the three open-source projects that make up the ELK Stack. Developers may use these three components to collect and log data from any source and build valuable visualizations.

A NoSQL database supports this centralized logging for storage, Elasticsearch for processing and data collecting, and Kiba for visualization.

Chef

Chef is yet another infrastructure-as-code (IaC) solution for configuration management automation. Chef automates server settings with Ruby and works well with all major cloud service providers (CSPs). This is very handy for establishing and provisioning vast numbers of computers.

The user specifies their components and states in a declarative style, like with the other automation tools on this list. These are known as "recipes" in Chef, and they may be organized into "cookbooks." You can't criticize Chef for being off-theme!

Terraform

Terraform is another IaC tool used for building a start-up, versioning, and additional automation via configuration files. According to GitHub, "Terraform is a tool for securely and quickly constructing, modifying, and versioning infrastructure." Terraform executes an "execution plan" created by the user using high-level syntax.

One distinguishing feature of Terraform is its emphasis on versioning, which allows you to version the blueprint of your service in the same way that you would software.

Docker

Docker is a free and open-source platform for building, shipping, and running applications in lightweight containers. Containers bundle together the binaries, libraries, configuration files, and dependencies needed for a program to execute. Containers have played an essential part in agile development over the last decade, with Docker containers spearheading the change.

The Docker Engine is at its heart. Docker Hub is also a great place to locate and share pre-configured functionality as containers. Additionally, free source container auditing tools such as Docker Bench or Anchor may be helpful in identifying container vulnerabilities.

Summary

Programming is much more than just delivering high-quality code; it is also about executing it efficiently. This effort to enhance overall operations is essentially infusing Ops into everything. With unique open-source DevOps technology, more and more architects can include a DevOps approach into their deployment models.

DevOps as a practice and its underlying technologies are constantly changing. Much work is being put towards managing the impacts of implementing a microservices development approach in 2021. As a result, we've seen the development of container orchestrators and service mesh.

Another requirement for developing automated build and release pipelines is blueprinting infrastructure as code and creating automatic, repeatable setups. Not to mention that numerous no-code and low-code systems are extending DevOps features to non-programmers, although on a proprietary basis.

DevOps technologies help to automate software deployment. Here, we've endeavored to compile a list of some of the most intriguing tools for automating that procedure.

Please share your thoughts in the comments section below!

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