source control devops For Beginners

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Source Control or Version Control in DevOps

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Slide Title

• In our last tutorial we saw about DevOps practice
  based on Agile Manifesto. Here, we will see more
  about Source Control or Version Control in
  DevOps.
• One of the key factors that the success of DevOps
  depends upon is the Source control.

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So, we will study

• What is source control or version control?
• What to source control?
• How do we version control?
• Benefits of version control?

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we will study

• Version controlling Infrastructure set up and
  configuration details as a code is the key
  differentiator in DevOps practice. Standardizing
  the coding practices, carrying out development
  activity in parallel, removing the dependency,
  are the main benefits of source control.

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What is Source/Version Control?

• We all know that change is inevitable and we
  believe that change is for a betterment. Thus,
  changes happen day in and out to everything and
  anything. So, it is extremely important for a
  program to maintain the history of these changes
  to the program artifacts, which is called
  Version control.

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How do we Version Control them?

• Earlier, version control used to happen manually
  in the absence of tools, where the team used to
  save a physical copy of back up and then make the
  changes.
• These days lot of sophisticated version
  controlling tools have come to market, and it
  automatically takes care of version controlling
  by managing the check-ins and check-outs by
  multiple people simultaneously thereby preventing
  the hassle of manual management.
• These tools also enable the team to view the
  difference between versions very easily. Maybe a
  test or deployment script which passed in the
  previous version has failed in the current
  deployment.

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What are the Benefits of Version Control?

• 1) First of all version control ensures that dev
  is in source control and ops is in source control
  and the beauty of DevOps is that both of them are
  in source control and that too in the same source
  control tool and hence everyone can see what is
  there in the source and each version of it,
  clearly and transparently.

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What are the Benefits of Version Control?

• 2) It prevents the team members from following
  their own knowledge, information and code to use.
• 3) Source control helps in understanding the
  difference between versions and also the purpose
  of making these changes.
• 4) Version control helps in carrying out
  development in parallel and managing the merges.
  More than one person can work on the same code or
  script or document by picking the base code from
  the source control and taking a copy of them on
  to their local machines and then merging back to
  the master, once the changes are done.

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What are the Benefits of Version Control?

• 5) In addition to this, version controlling
  infrastructure as a code allows anyone to create
  environments without having a dependency on
  individuals knowledge and also helps in creating
  environment purely from the information available
  in the source control and not based on
  individuals intelligence.
• 6) Version control makes the debugging of the
  software deployment failures and production
  issues very fast because the team can go back to
  the previous version and check what is the
  difference, in case of failures and fix it fast.

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