Day 5:Advanced Shell Scripting:

Day 5:Advanced Shell Scripting:

Welcome to the fascinating world of Linux shell scripting, tailored specifically for DevOps engineers! 🎉 In this blog, we'll dive into advanced techniques for automating tasks, managing users, and boosting your productivity using the power of the command line. Get ready to level up your Linux skills and unlock the full potential of your DevOps journey! 🚀

User Management and Permissions 🙎🔐

Managing users and permissions is crucial in any Linux environment. As a DevOps engineer, you need to ensure proper user access, security, and user administration. Let's explore some essential commands and techniques to help you accomplish these tasks efficiently.

1. User Management Commands

  • adduser ➡️ Create a new user account

  • usermod ➡️ Modify user account properties

  • deluser ➡️ Remove a user account

  • passwd ➡️ Change user password

2. Managing User Groups

  • addgroup ➡️ Create a new user group

  • groupmod ➡️ Modify user group properties

  • delgroup ➡️ Remove a user group

3. User Permissions

  • chmod ➡️ Change file permissions

  • chown ➡️ Change file ownership

  • chgrp ➡️ Change group ownership

4. User Information

  • id ➡️ Display user and group information

  • finger ➡️ Retrieve user information

5. Advanced User Management

  • su ➡️ Switch user context

  • sudo ➡️ Execute commands with elevated privileges

  • visudo ➡️ Configure sudoers file safely

Remember, it's essential to exercise caution when performing user management tasks, as they directly impact system security. Always double-check your commands and validate the changes before proceeding.

Conclusion:

Congratulations on completing our Advanced Linux Shell Scripting for DevOps Engineers with User Management blog series! 🎉 Throughout the series, we covered a wide range of topics, including user management, permissions.