Why GitHub is Essential to Network Automation

The move towards network automation has led to an increase in the demand for IT professionals who work closely with code. This means that they will need to be familiar with source code control systems such as GitHub.
There are often enough new tools and skills that are available in the professional community before they reach a certification exam. Anyone who has worked with automating networks for a while will not be surprised to see GitHub on the Cisco 300-435 exam, Automating Cisco Enterprise Solutions.
Git is a source control software that works in conjunction with a website called GitHub. The 300-435 exam will require you to know seven concepts that git uses.
Adding files
Committing changes
Pushing and pulling
Checking for differences

What is Git? Why does it matter?
Source code control systems are designed to allow you, the programmer or coder, to make changes to the code in a controlled environment. You can then create your own copy of the code, and then, when you are ready, you can add your changes to the main code set. Each copy of the code, the original and the one that you are working on, is called a “branched” of the code. Merging is the process of combining your changes back into original code.
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Start training Most of them require a central location from which team members can get their code (a process called checking in). Git has a slightly different approach. While you still get your code from some central location, that central location (or repo for short) is stored on your computer. If you have multiple coders working on the same code, they also get a complete repository of the code.
Here’s how Git works. Each branch is given a name and the main code is called master. Each of your teammates may have a copy the master branch. You will create a new branch when you are ready to make changes to the code. This is an exact copy master. You will give the branch a name that reflects the feature or fix you are working on. For example, ConnectFeature is a feature that adds network connectivity to the code. After you have completed testing the new features and made your changes, merge them into your master.
Your master will no longer be the same as the master on the computers of your colleagues. Your teammates will then receive your master copy. They’ll treat it as a separate branch, and merge it into their master copies. Now everyone has the same master.
It can be a bit tricky to send the branch to your teammates. Teams will usually create a repository on a server that everyone can access. Changes will merge into the repository. They will treat it as a central repository, just like other version control software, even though technically it is just another copy of the repository. When you make a change to a file, you will copy it up to the server. This is called “pushing”. The team members will then pull down the changes to their repositories and merge them into their own branches.
While you can set up your server and install Git on it for your team, most teams prefer to use a server that is already configured with git. One example is GitHub.com. You can create an account to your team and create a repo within your team’s account. Then you can create accounts for each member of your team and do all your pulls and pushes to the team’s repository.
Let’s now get down to the details of each step.
It is easy to create a repository on GitHub. It is easy to create a repository on GitHub by simply providing a name and answering some basic questions like “what do you want?”