How to install Git Credential Manager on Ubuntu?

Check the installation instructions for Linux in the GCM docs, but note that it only guarantees support for Ubuntu versions officially supported by .NET. You may need to add Microsoft package repositories for the installer.

Git Credential Manager vs Git's built-in credential helpers: which should I use?

GCM is better for multi-factor authentication and cross-platform consistency, while built-in helpers like wincred or osxkeychain are simpler but limited to username/password and platform-specific. Choose GCM if you need enhanced security across different OSes.

Does Git Credential Manager work with SSH keys?

No, GCM only supports HTTP(S) remotes for authentication. For SSH, you must configure SSH keys separately using each Git host's documentation, such as GitHub SSH or Azure DevOps SSH guides.

How to configure a proxy with Git Credential Manager?

Use Git configuration settings or environment variables as detailed in the GCM proxy support documentation. This allows it to work in enterprise environments with restricted network access.

Is Git Credential Manager secure for storing credentials in an enterprise?

Yes, it uses platform-specific secure storage like Windows Credential Vault and supports multi-factor authentication, making it more secure than plain text. However, ensure your OS and .NET runtime are up-to-date for best practices.

What Linux distributions are supported by Git Credential Manager?

GCM guarantees support only for Linux distributions officially supported by .NET, such as specific versions of Ubuntu, Red Hat, and others. Check the .NET documentation for the latest list to avoid compatibility issues.

Git Credential Manager

NOASSERTIONC#v2.7.3

A secure, cross-platform Git credential helper that provides authentication to GitHub, Azure DevOps, Bitbucket, and GitLab.

GitHub

What is Git Credential Manager?

Git Credential Manager (GCM) is a secure Git credential helper that provides authentication to popular Git hosting services like GitHub, Azure DevOps, Bitbucket, and GitLab. It solves the problem of managing Git credentials securely across different platforms, offering features like multi-factor authentication and secure storage. It replaces older platform-specific credential managers and works seamlessly with Git's existing workflow.

Target Audience

Developers and teams using Git with cloud-based or on-premises Git hosting services who need secure, cross-platform credential management with support for multi-factor authentication.

Value Proposition

Developers choose GCM because it provides a consistent, secure authentication experience across Windows, macOS, and Linux, with built-in support for multi-factor authentication and secure credential storage, eliminating the need for platform-specific solutions.

Overview

Secure, cross-platform Git credential storage with authentication to GitHub, Azure Repos, and other popular Git hosting services.

Use Cases

Best For

Securely managing Git credentials across Windows, macOS, and Linux

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Using multi-factor authentication with Azure DevOps or GitHub

Teams needing consistent authentication across different Git hosting services

Enterprise environments requiring proxy support for Git operations

Replacing older platform-specific Git credential managers

Automating Git authentication in CI/CD pipelines securely

Not Ideal For

Environments that exclusively use SSH for Git authentication without HTTP(S) remotes
Systems running unsupported Git versions like Git 1.x or the problematic Git 2.26.2
Linux distributions not officially supported by .NET, as GCM guarantees compatibility only with those

Pros & Cons

Pros

Cross-Platform Consistency

Provides installers for Windows, macOS, and Linux, ensuring a uniform authentication experience across all major operating systems, as highlighted in the README's cross-platform support feature.

Multi-Factor Authentication Support

Enables two-factor or multi-factor auth for Azure DevOps, GitHub, Bitbucket, and GitLab, offering enhanced security over Git's built-in credential helpers that only handle username/password.

Secure Credential Storage

Utilizes platform-specific secure mechanisms like Windows Credential Manager or macOS Keychain to store credentials safely, as noted in the README's secure credential storage feature.

Automatic Authentication Flow

Called implicitly by Git during operations like `git push`, automatically opening authentication windows when needed, reducing manual configuration and user effort.

Cons

HTTP(S)-Only Limitation

Does not support SSH remotes; users must manage SSH keys separately, which can be inconvenient for teams standardized on SSH, as admitted in the README's current status section.

.NET Runtime Dependency

Requires the .NET runtime to be installed, adding overhead and potential compatibility issues, especially on lightweight or non-standard Linux distributions.

Limited Legacy Compatibility

Incompatible with Git 1.x and Git 2.26.2, forcing upgrades or workarounds for older systems, as specified in the supported Git versions section.

Frequently Asked Questions

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