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Learn Git

Git is a free, open source DevOps tool that is used to track changes in a set of files. These excellent Git resources will teach you common Git terminology, best practices and guidelines, tutorials for beginners, and articles about specific Git commands. Finally, you will find courses, training, and other resources to help you learn GitHub.

Glossary of Git Terminology: A Beginner’s Guide
Before you can become a master of anything, you must first understand the basics. This applies to every subject in the world, including Git. While nothing beats learning on the job, learning Git terminology first can help guide you when…
Git Best Practices, Guidelines, and Resources for Your Software Development Career
If you’re wanting to learn software development, one of the tools that will be most instrumental to a career in the field is Git. Git promotes collaboration and efficiency between developers working on the same project. With a distributed version…
How to Use git merge
When contributing code to an app, usually you’ll be committing that code on a feature branch in git. In this guide, we will look at how to keep the projects commits in sync. We will also take a brief look…
Git fatal: remote origin already exists Solution
The “origin” keyword is commonly used to describe the central source of a Git repository. If you try to add a remote called “origin” that already exists, you will encounter the “fatal: remote origin already exists” error. In this guide,…
Gitignore Not Working? A Help Guide.
The title says it all. There are many cases where you might be troubleshooting the .gitignore file because it is not working as expected. The .gitignore file plays a crucial role in Git repositories. If you're .gitignore file is not…
Git Clone Specific Branch: A How-To Guide
The git clone --single-branch --branch command clones a specific branch. This command lets you copy the contents of a repository without downloading all the branches on the repository. It is useful if a repository is large and you only want…
Git Undo Merge: A Guide
You can undo a Git merge using the git reset --merge command. This command changes all files that are different between your current repository and a particular commit. There is no "git undo merge" command but the git reset command…
Git Remove Remote: A Guide
The git remote remove command removes a remote URL from a repository. The syntax for this command is: git remote remove <remote-url>. You can only remove one remote at once. How to Remove a Git Remote Have you set the…
How to Rename a Git Branch
To rename a Git branch, run the following command: git branch -m <old> <new>. This will change the name of the branch you are viewing to the new name you specify. You do not need to specify the old branch…
Git Diff: A How-To Guide
The git diff command shows the differences between the files in two commits or between your current repository and a previous commit. This command displays changes denotes by headers and metadata for the files that have changed. When you’re working…
How to Set Up Git Using git config
How to Set Up Git Using git config The git config command changes the configuration options in your Git installation. It is often used to set your Git email, editor, and any aliases you want to use with the git…
How to Use the git amend Command
Git commit amend: A Beginner’s Guide The git commit --amend command lets you modify your last commit. You can change your log message and the files that appear in the commit. The old commit is replaced with a new commit…
Git: List Remote Branches
You can list the remote branches associated with a repository using the git branch -r, the git branch -a command or the git remote show command. To see local branches, use the git branch command. The git branch command lets…
Git Cherry Pick: A Step-By-Step Guide
As beginning developers, we learn git simply through repetition. We learn quickly what git pull, git push, and git commit each means. As we transition to work on bigger projects and collaborate with teams, we start to learn more advanced…
How to Change a Git Remote
You can change a Git remote URL using the git remote set-url command. Navigate to the repository whose remote URL you want to change and then execute this command. The set-url command accepts two arguments: the remote name and the…
Git Log: How to Use It
The git log command displays a record of the commits in a Git repository. By default, the git log command displays a commit hash, the commit message, and other commit metadata. You can filter the output of git log using…
How to Use the git rm Command
The git rm command removes a file from a Git repository. This command removes a file from your file system and then removes it from the list of files tracked by a Git repository. The --cached flag lets you delete…
Git Checkout: A Step-By-Step Guide
The git checkout command navigates between two different branches in a Git repository. Checkout is used to view and make changes to different branches. You can check out a past commit in a repository to view how your project appeared…
Removing Untracked Files with Git
You can use the git clean command to remove untracked files. The -fd command removes untracked directories and the git clean -fx command removes ignored and non-ignored files. You can remove untracked files using a .gitignore file. There are two…
Git: Courses, Training, and Other Resources
How to Learn Git At some point in your journey to becoming a programmer, you will likely have heard the term Git come up. But what is Git, and how does it work? That’s the question this guide is going…
Git Status: A Guide to Responses
The git status command can be a helpful tool when you need to know what state your local repository is in with respect to the remote repository.  Basic Terms Some basic terms to be familiar with as we go forward: …
How to Fix the Remote ‘updates were rejected’ Git Error
The Git error “updates were rejected because the remote contains work that you do not have locally” is triggered when you initialize a new Github repo with a readme file or a license. This article dives into the solutions to…
GitHub: Courses, Training, and Other Resources
How to Learn GitHub GitHub is one of those things that you hear about for months or years without ever knowing what it means. We catch the name “GitHub” all the time on television, in web articles (like this one!),…
.gitignore Files: A Guide for Beginners
.gitignore files contain a list of files Git should ignore in a local project. A .gitignore file commonly appears in the main directory of a project. You can ignore single files, multiple files, or folders. You may have files that…
A Step-By-Step Guide to Git Add
The git add command adds a file or folder to the staging area. Files in the staging area are those that you want to add to your next commit. Git add does not modify or otherwise affect your repository or…
Error: the Following Untracked Working Tree Files Would Be Overwritten by Merge
The error above is often triggered when we do not clone the repository we are trying to pull from. The projects may be identical, but we may be working on one locally while trying to pull it from the repo…
Git Delete Branch
Deleting Git branches is common practice after you have merged a branch into your codebase. You can delete a Git branch on your local machine using the git branch -d flag. The git push origin --delete command removes a branch…
Git Push
The git push command uploads your local version of a repository to a remote repository. Pushing is the mechanism through which you upload changes to a remote repository. Once you have pushed your changes, all the collaborators on a project…
Git Stash
Stashing lets you save your code for later in a Git repository. When you’re working with a Git repository, you may make changes to a file that you want to apply to a Git commit later on. That’s where the…
Git Pull
The git pull command retrieves and downloads the contents of a repository to your local machine. Your local repository is updated so that it shows the content from the remote repository. You’ll probably encounter situations where you want to fetch…

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