DevOps Technology Stack

Version control system

A unique form of database is used by version control software to keep track of each time the code is modified. Developers can go back in time and compare prior iterations of the code to help address errors while causing the least amount of interruption to the entire team.

The source code is a priceless resource whose value must be preserved for practically all software projects. The source code is a storehouse for the invaluable knowledge and expertise the developers have amassed and honed through meticulous work about the issue domain for most software teams. Version control shields source code from disaster and human mistakes' unintentional and casual deterioration.

Software developers' teams are constantly writing and updating new source code. A folder structure or "file tree" is generally used to organize the code for a project, application, or software. Each developer may make modifications in different locations within the file tree, such as while another developer on the team is working on a new feature and another addresses an unrelated bug.

What is a version control system?

Version Control is a system that tracks edits made to a file or group of files, as the name would imply. The term "system" describes a group of software tools that enable the software team to manage source code updates as needed. The system keeps track of all file alterations, allowing for future rollback to a particular version.

The version control system is accountable for maintaining communication among the team members. Most significantly, it guarantees that everyone on the team can work concurrently on the same project while using the most recent file version.

A single repository serves as a server, and there are three workstations, or three different developers, at three different places. This repository is used by the workstations for either updating or committing tasks.

A sizable number of workstations might utilize a single server repository. Every workstation will have its functioning copy, and they will all be saving their source code to a specific server repository.

As a result, accessing the work being done with the help of the repository is simple for any developer. There will be a copy of the source code in the central repository, so work will continue even if one developer's system malfunctions.

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Benefits of Version Control System

A detailed history of all files' long-term changes. This refers to each modification made over time by a variety of people. In terms of changes, files can be added, removed, or have their contents modified. Regarding handling file renaming and transferring, different VCS programs perform differently. The author, date, and textual justification for every change should also be included in this history. Access to the whole history is necessary to pinpoint the cause of errors. This is especially important when fixing issues with more than a few years old software. Most things can be regarded as "older versions" of the software if it is still actively developed.

spherical and fusion. It goes without saying that team members should be able to work simultaneously, but even lone workers can gain from having separate streams of changes they can work on. When using VCS tools, "branch" creation maintains the separation of different work streams while simultaneously allowing for their re-merging, allowing developers to confirm that the changes on each branch do not conflict. The practice of branching for each feature, or even for each release, or even for both, is one that many software teams use. Teams can choose from various processes when deciding how to use the branching and merging features of a VCS.

Traceability. The ability to log every change made to the software, link it to project management and issue tracking software like Jira and annotate every change with a statement outlining the reason and intent of the modification can aid in more than just forensic root cause investigation. Developers may make proper and harmonic changes that are in line with the planned long-term design of the system by having access to the annotated history of the code when they are reading it, attempting to understand what it is doing, and why it is created in that way.

Main tools of the version control system

  • Git
  • Mercurial
  • Subversion


Git is a DevOps technology used for managing source code. It is a version control system that is open-source, free, and can efficiently manage projects of all sizes. Git is a tool that allows numerous developers to collaborate on non-linear development by tracking changes in the source code.

  • Git is a version control program that keeps track of changes made to digital assets. When developing software, it is typically employed for source code management.
  • Git is a tool for monitoring changes to source code.
  • For managing source code, we use the distributed version control tool.
  • It enables collaboration between numerous developers.
  • Due to the thousands of parallel branches, it promotes non-linear development.

Features of Git

  • Tracks history
  • Free and open source
  • Encourages non-linear development
  • Backups are made
  • Scalable
  • Branching is simpler when collaboration is supported.
  • Development that is spread out

Git Workflow

There are three different states in the Git workflow.

  • Working directory - Files in your working directory can be modified.
  • Staging area (Index) - Prepare the documents and add copies of them to your staging area.
  • Git directory (Repository) - Commit the snapshots to your Git directory so they are kept there permanently. Make any necessary modifications, stage them, and commit after checking out an existing version.

Branch in Git

A branch in Git keeps your changes until they are ready. You can work on a branch while the main branch (master) remains stable. After you finish your work, you can merge it with the main office.


Mercurial is a free, distributed source control management tool. It offers you the power to handle projects of any size using an intuitive interface efficiently. It is easy to use and hard to break, making it ideal for anyone working with versioned files. Mercurial is an open-source, crossplatform, distributed revision control tool. Marsupial's design focuses on high performance, scalability, and advanced branching and merging capabilities while remaining conceptually simple. The basic set of commands is similar to Subversion, making it easy to transition from Subversion to Mercurial.

Mercurial Alternatives & Comparisons

  • Apache Storm
    A networked real-time processing system known as Apache Storm is free and open source. Storm accomplishes real-time processing what Hadoop accomplished for batch processing by making it simple to process unlimited streams of data safely. There are various applications for Storm, including real-time analytics, online machine learning, continuous computing, distributed RPC, ETL, and others. Storm is quick; according to a benchmark, it can handle over a million tuples per node per second. It assures that your data will be processed, is scalable, fault-tolerant, and simple to set up and use.
  • Git
    Git is a distributed version control system that is free and open source and is intended to manage any project, no matter how big or small, quickly and effectively.
  • Plastic SCM
    Distributed version control with Plastic SCM is made for large projects. It performs well with branching and merging, graphical user interfaces, and can handle big files and file-locking (great for game devs). It has "semantic" capabilities like refactoring detection to simplify diffing complicated refactors.



Software Configuration Management (SCM) is implemented centrally using Subversion (SVN).

It allows monitoring updates and running concurrent development on duplicate files. A centralized version control system, Subversion, keep all files on a single server to promote team cooperation.

Version control software called Subversion is free and open source (VCS). In other words, Subversion controls the files, folders, and modifications made over time. You can do this to recover earlier versions of your data or to look back at how it changed.

How Does Subversion Work?

SVN was initially intended to be used with a command line interface. You would then open your Terminal and enter text commands, in other words. The SVN setup requires two critical components for Subversion to operate correctly.

  • The server, which contains every revision of every source file
  • On your PC, a local copy of the files

Working files are the documents you have open on your computer. Each user can make changes to these files. User changes are then submitted to the SVN server.

SVN manages and documents any change a user makes by making a new version. Users usually operate with the most recent version, like most version control methods. But you can go back to a previous version if that's what you require.

Why is SVN used?

Several different commercial version control systems are available today, including Git, which has recently surpassed Subversion in popularity. However, SVN is still in use for two reasons: cost and inertia.

It is open-source, which means it is cost-free.

Inertia: Because a significant portion of the code is already written, switching version control systems may be challenging. Companies have been using Subversion since 2004, and their code contains millions of lines. If you've stopped using Subversion, Perforce provides an organizational VCS that enables you to scale without limits.

Subversion's benefits

The following are SVN's key attributes.

  • Versioning is designed for folders that also contain separate files.
  • Copying, deleting, adding, and renaming files and directories follow a standard procedure.
  • Over time, the attributes of files and folders are registered, creating a thorough history.
  • Small, autonomous entities can be designed and dedicated by developers.
  • Current network operations can be carried out quite easily.
  • Text and binary files are saved and maintained similarly.
  • Branches and tags are constructed quickly and efficiently.
  • Different software and programming languages can be used with SVC with ease.

How will this technology help you in career growth?

Subversion IT Services is the appropriate entry point for you if you're thinking about working in a fast-paced setting where there's a great chance you'll improve as a professional. Subversion IT Services can find the proper professional connection for you.

Subversion IT Services receive first-rate benefits, professional advancement, and attractive compensation. Presenting you with the best opportunities, giving you the means to achieve stability in your life, and remove the links holding you back.

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