1. What is Nexus?

Nexus is a repository manager used for managing and storing artifacts such as software components, libraries, and build artifacts.

2. What is the role of Nexus in the software development lifecycle?

Nexus plays a critical role in the development lifecycle by providing a centralized repository for storing and managing dependencies, ensuring consistency across builds.

3. What are the key features of Nexus Repository Manager?

Key features of Nexus include artifact management, dependency management, security and access control, proxy repositories, and support for various repository formats.

4. What repository formats does Nexus support?

Nexus supports popular repository formats like Maven, npm, NuGet, Docker, and more, making it versatile for different types of projects.

5. How does Nexus improve build performance?

Nexus improves build performance by caching dependencies locally, reducing the need to download them from remote repositories repeatedly.

6. What is Nexus IQ Server?

Nexus IQ Server is a component of Nexus Lifecycle that provides intelligence about open-source components used in software development, helping identify and manage security and license risks.

7. How does Nexus handle artifact versioning?

Nexus manages artifact versioning through a versioning scheme specified by the build tools and repositories, ensuring consistency and traceability.

8. Can Nexus be used for managing Docker images?

Yes, Nexus supports Docker repositories, allowing organizations to manage and distribute Docker images efficiently.

9. What is the Nexus Smart Proxy?

The Nexus Smart Proxy is a feature that allows the caching and distribution of artifacts across different geographic locations, improving download speeds and reducing load on central repositories.

10. How does Nexus support dependency management?

Nexus supports dependency management by providing a centralized repository for storing and managing dependencies, reducing the risk of relying on external and potentially unreliable sources.

11. Can Nexus be integrated with CI/CD tools?

Yes, Nexus can be integrated with various CI/CD tools like Jenkins, Bamboo, and others, facilitating seamless artifact management within the continuous integration and delivery pipelines.

12. What is the role of Nexus Repository Manager in DevOps practices?

In DevOps practices, Nexus supports the automation of dependency management, ensuring consistency and reliability across different stages of the software development lifecycle.

13. How does Nexus improve security in software development?

Nexus improves security by providing insights into the open-source components used in a project, helping identify and mitigate security vulnerabilities through Nexus IQ Server.

14. Can Nexus enforce access control and permissions?

Yes, Nexus allows administrators to enforce access control and permissions, ensuring that users have appropriate access to repositories and actions.

15. What is the Nexus Lifecycle?

Nexus Lifecycle is a component of Nexus that focuses on managing the security and licensing aspects of open-source components used in software development.

16. How does Nexus help in managing license compliance?

Nexus helps manage license compliance by providing information about the licenses associated with open-source components, enabling organizations to track and comply with licensing requirements.

17. What is Nexus Firewall, and how does it enhance security?

Nexus Firewall is a feature that helps enhance security by blocking the download of components that violate security policies, preventing the introduction of risky dependencies.

18. Can Nexus support multiple repository formats in a single instance?

Yes, Nexus is designed to support multiple repository formats within a single instance, providing flexibility for projects with diverse requirements.

19. How does Nexus handle proxy repositories?

Nexus uses proxy repositories to cache external dependencies, reducing the reliance on remote repositories and improving build performance.

20. Can Nexus integrate with cloud-based artifact repositories?

Yes, Nexus can integrate with cloud-based artifact repositories, allowing organizations to manage and distribute artifacts across on-premises and cloud environments.

21. What is Nexus Professional?

Nexus Professional is a commercial version of Nexus Repository Manager that provides additional features and support for enterprise use.

22. How does Nexus support artifact promotion in the CI/CD pipeline?

Nexus supports artifact promotion by providing the ability to promote artifacts across different repositories, ensuring that only approved artifacts move through the pipeline.

23. What is the Nexus Exchange?

The Nexus Exchange is a community-driven platform where users can share and contribute plugins, integrations, and other extensions for Nexus products.

24. How does Nexus handle snapshots and releases in Maven repositories?

Nexus handles snapshots and releases in Maven repositories by providing separate repositories for snapshot and release artifacts, ensuring proper versioning and stability.

25. What is Nexus Repository Health Check?

The Nexus Repository Health Check is a feature that assesses the health and status of repositories, identifying issues and recommending optimizations.

26. Can Nexus be used for storing and managing Helm charts?

Yes, Nexus supports the storage and management of Helm charts, making it a valuable tool for Kubernetes-based projects.

27. How does Nexus support the migration of artifacts between repositories?

Nexus supports the migration of artifacts between repositories through repository management features and tools, allowing for organized and controlled movement of artifacts.

28. Can Nexus perform vulnerability scanning on artifacts?

Nexus, especially with Nexus IQ Server, can perform vulnerability scanning on artifacts to identify and mitigate security risks associated with open-source components.

29. What is Nexus Repository Manager 3?

Nexus Repository Manager 3 is the latest major version of Nexus, featuring improvements in performance, scalability, and new features compared to previous versions.

30. How does Nexus ensure high availability and reliability?

Nexus can be set up in a high-availability configuration with multiple instances to ensure reliability and minimize downtime, providing continuous access to artifacts.

31. What is the Nexus Ruby Gem Repository?

Nexus Ruby Gem Repository is a repository format in Nexus that supports RubyGems, enabling Ruby developers to manage and share gems.

32. How does Nexus handle third-party repository integration?

Nexus can integrate with third-party repositories, allowing organizations to proxy and manage artifacts from external sources in a controlled and secure manner.

33. What is the Nexus YAML Repository?

The Nexus YAML Repository is a repository format designed for storing and managing YAML-based artifacts, providing support for modern configuration management practices.

34. How does Nexus support repository cleanup and maintenance?

Nexus provides tools and features for repository cleanup and maintenance, helping organizations manage storage space efficiently and ensure optimal performance.

35. What is Nexus Repository Manager OSS?

Nexus Repository Manager OSS (Open Source Software) is the free and open-source version of Nexus, offering core repository management capabilities.

36. Can Nexus be used for managing .NET artifacts and packages?

Yes, Nexus supports the management of .NET artifacts and packages, including NuGet packages, providing a central repository for .NET projects.

37. How does Nexus help in managing transitive dependencies?

Nexus helps manage transitive dependencies by storing and managing all dependencies, including transitive ones, in a central repository, ensuring consistent builds.

38. What is Nexus Stage?

Nexus Stage is a feature that allows the promotion of artifacts through different staging repositories, ensuring a controlled and audited release process.

39. How does Nexus support organizations with multiple development teams?

Nexus supports organizations with multiple development teams by providing a centralized repository that can be segmented or shared based on team requirements.

40. What is Nexus Snapshot Repository?

Nexus Snapshot Repository is a repository format designed specifically for storing and managing snapshot artifacts in Maven repositories.

41. How does Nexus handle proxying and caching of artifacts?

Nexus handles proxying and caching of artifacts by fetching dependencies from remote repositories and caching them locally, reducing download times and improving build performance.

42. What is Nexus Repository Health Check and Cleanup?

Nexus Repository Health Check and Cleanup is a set of tools and features that assess and optimize the health of repositories, ensuring they operate efficiently.

43. Can Nexus be used for storing and managing Python packages?

Yes, Nexus supports the storage and management of Python packages, providing a central repository for Python projects.

44. How does Nexus assist in artifact search and discovery?

Nexus provides powerful search capabilities, allowing users to search and discover artifacts based on various criteria, including group, artifact, version, and more.

45. What is the Nexus Repository Manager Plugin API?

The Nexus Repository Manager Plugin API allows developers to create custom plugins and extensions to enhance and extend the functionality of Nexus.

46. How does Nexus help in optimizing repository storage space?

Nexus provides features for optimizing repository storage space, including repository cleanup tools and settings to manage artifacts and snapshots efficiently.

47. Can Nexus be used for managing and distributing npm packages?

Yes, Nexus supports the management and distribution of npm packages, providing a reliable and centralized repository for Node.js projects.

48. How does Nexus handle artifact deployment and promotion?

Nexus handles artifact deployment by providing a secure and organized process, and promotion can be done through staging repositories to ensure controlled releases.

49. What is the Nexus Raw Repository?

The Nexus Raw Repository is a repository format designed for storing arbitrary binary content, providing flexibility for organizations with diverse storage needs.

50. How does Nexus assist in ensuring artifact integrity and authenticity?

Nexus ensures artifact integrity and authenticity through secure storage, access controls, and support for checksums and digital signatures, providing a reliable source of truth for artifacts.