DevOps Tools You Must Know In 2021

Introduction

DevOps is the combination of various cultural philosophies, practices, and tools. They help in increasing the organization’s ability to deliver services and applications at high speed. They also help to evolve and improve the products at a much faster pace than the traditional software development and the conservative infrastructure management process used by the organization.

DevOps tools help in ensuring automation, collaboration, and transparency in the developmental processes. It is highly confusing and intimidating to choose the most appropriate development tools from various tools available in the market. One should have the proper knowledge and know the use of each device to benefit from it. Also, one must remember that there is no one size fits all solution, and for every requirement, there is a unique DevOps tool.

Read More: Top Reasons to get DevOps Certification

Let’s look at the top 10 DevOps tools that you should know in the year 2021  

Splunk

Splunk is a software platform helpful in searching, analyzing, and visualizing various machine-generated logs or data brought together or collected from multiple devices, websites, sensors, applications, etc., to create the whole IT infrastructure and business.

Features of Splunk

Search, analyze and visualize machine-generated logs or data.  

The course curriculum for Splunk consists of weekday or weekend batches of the following study pattern :

• To put away data in multiple file formats
• To create knowledge of objects for operational intelligence
• To monitor business metrics for getting log insights
• To receive DevOps certification training.

ELK Stack

ELK is a log management platform used to collect insights from the logs or data that enables DevOps engineers to make better decisions for their company. Elk is a powerful combination of Elasticsearch, Logstash, and Kibana open-source software. The elastic company offers them. ELK stack, which is often referred to as Elasticsearch, enhances the ability to aggregate logs from all systems and applications, analyze these logs, and create visuals for applications. It is also helpful for faster troubleshooting, monitoring infrastructure, security analytics, and much more.

Features of ELK Stack

• It is an Open Source tool with multiple plugins

• It is a Lightweight tool and easy to deploy

• It performs a search in the most near-real-time   

• It helps in collecting and analyzing logs from any Excel file to a server or database

• It also consists of an Active and Supportive discussion forum

Nagios

Nagios is which enables which helps keep tabs on the applications servers and the overall business infrastructure. The tool is a great help for large organizations with countless circuitries such as switches, servers, routers, and so on in the back end. It alerts the users if a particular fault occurs on the backend or in case of device failure. It also regularly maintains and monitors performance charts and tends to alert the user of any possible loss.

Features of Nagios

• Monitoring and troubleshooting server performance issues

• Planning infrastructure upgrades before outdated systems cause failures

• Automatically fix problems when detected

Ansible

Ansible is one of the most simple but effective tools for managing configuration and IT orchestration. It is an open-source tool that provides automation to all the apps and IT infrastructures such as cloud deployments, network configuration, and the creation of development environments. It efficiently manages data, roles, attributes, cookbooks, and so on. Ansible is primarily used for pushing new changes within the already existing system, thereby lowering the costs of infrastructure and increasing the scalability speed. These two reasons have made Ansible an absolute favorite amongst many IT companies.

Features of Ansible

• It is an open-source management configuration tool
• It supports push configuration
• It is based on master-slave architecture
• It is entirely agentless and uses simple syntax or written language YML  

Chef

Chef is a powerful management configuration automation tool that automates processes and tasks across several servers and other organization devices in some straightforward steps. It transforms infrastructure into code using Ruby and Erlang as specific languages. Chef uses pure-Ruby domain-specific language (DSL) for writing system configuration codes or recipes.

Features of Chef

• It is yet another open-source management configuration tool
• It supports multiple platforms like FreeBSD, AIX, RHEL, or CentOS
• This tool is easy to integrate with cloud-based platforms
• The device is active and intelligent with fast-growing community support.

Read More: Top Reasons to get DevOps Certification

Puppet

Puppet is an open-source software configuration tool for management and deployment. It is mainly used on Linux and windows to collaborate with multiple application servers at once. Puppet does more than just automating the system administration. It automates inspecting, delivering, and operating software across the entire life cycle through an independent platform. It works by using a pull model where the managed nodes run the puppet agent application as a background service.

Features of puppet

• It is an open-source configuration management tool
• It is based on master-slave architecture
• It has a long commercial track record

Docker

Docker is a lightweight tool that uses a container for every application and contains the source code, supporting files, system configuration files, runtime, etc., which are responsible for the execution of the application. Docker is a tool that allows secure packaging, deploying, and running of applications irrespective of the environment used for running it. When used, the Docker engine can enable access to containers, which can help execute applications even in a remote setting. This application or tool has reduced the infrastructure costs of many organizations. With Docker, you can build, ship, and run your software anywhere. This tool is at the center of containerization, which is quickly gaining momentum in the IT world.

Features of Docker

• It uses a container with any language
• It can ship the container wherever you want, such as to your team or a Q/A, or even the cloud
• It scales up to 1000’s node
• It updates with zero downtime

Selenium

Selenium is a portable open-source software testing framework for web-based applications. It is capable of operating on any operating system. It provides the user with an easy interface for developing automated tests.

Features of Selenium

• It is an open-source, free tool
• It creates a robust browser-based regression automation suites and tests
• It also supports multiplatform-testing like IOS and Android
• It can write test scripts in multiple languages like Java, JavaScript, Python, Ruby, PHP, Perl, C#
• It is easy and quick to build a keyword-driven framework using selenium for a web driver.

Jenkins

Jenkins is an open-source continuous integration server. It automates the complete build cycle of any software project. Its main aspect is the pipeline feature that it offers, which is helpful in automatically committing code into the repository, running test cases, and fetching reports obtained after testing in the near real-time. It enables a developer to rapidly find and solve bugs in the code while automating their build testing. It is a tool from developers for developers.

Features of Jenkins

• It is a free open source tool
• It is good in integrating all the DevOps stages using around 1000 plugins
• It can script the pipeline having one or more build jobs into a single workflow
• It can quickly start the Jenkins with its WAR file
• It provides multiple ways of communication such as CLI, REST API, and web-based GUI

GitHub

GitHub remains one of the top DevOps tools useful for easy collaboration. GitHub is a tool that enables the developers to make rapid iterations to the code and send a notification to other team members instantly about any changes to the code. Immediate rollbacks in case of any error or fallout are done to the previous version within seconds. The tool is a version control system that allows you to track changes in the file and easily coordinates the work among the team.

Features of GitHub

• It is a free open source tool
• It has a feature of branch workflow
• It allows for the distributed development
• It supports the pull request
• It enables a faster release cycle

Conclusion

To conclude, these are the top 10 DevOps apps that have been increasingly adopted by companies globally. These are some of the DevOps apps which you should know about in 2021.

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