If you want to write down your role and achievements in linux operation and maintenance projects on your resume, you can use the following skills to organize your content:

Project Name: Briefly describe the purpose and scope of the project.

Role Description: Describe your role in the project in detail, including your responsibilities and contributions.

Technology stack: list the technologies you use in the project, including operating system, software, tools, etc.

Achievements: Describe your achievements in the project, including problems solved, functions realized, goals achieved, etc.

Reflection: Summarize the experience you have learned in the project and share how you can use it in future projects.

For example, you can describe your experience like this:

Project name: Building the internal server cluster of the company.

Role description: Responsible for building and maintaining internal server cluster, including configuring server hardware, installing operating system, configuring network services and applications.

Technology stack: CentOS 7, Docker, Ansible, Gitlab CI.

Results: Docker was used to containerize the internal services of the company, which greatly shortened the service deployment time; The batch management server configuration is realized by Ansible, which improves the efficiency of server maintenance. Use Gitlab CI to realize continuous integration and deployment and ensure service quality.

Reflection: In this project, I learned how to use containerization technology to manage services and the importance of continuous integration and deployment. In future projects, I will continue to use these technologies to improve the availability and stability of services.

I hope this information is helpful to you. Please feel free to let me know if you have any other questions.