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Linux user management is a very important part of the system administration and security in a DevOps environment. It involves creating, modifying, deleting user accounts, and managing user permissions. Efficient user management ensures that the right individuals have the correct level of access, and it plays a critical role in securing the system against unauthorized access.
User Account Types
Within the Linux operating system, user accounts are typically categorized based on their function or intended use:
System Users or Accounts
These are utilized by processes, often referred to as daemons, which operate in the background. Such accounts are associated with services that form part of the core operating system, like networking services (e.g., sshd), or with services at the application level, such as a widely-used relational database service (e.g., mysql).
Regular User Accounts
These are designed for actual people who interact with the Linux system through the shell in an interactive manner. For example, user: tony is a system administrator who uses his regular user account to manage system settings and troubleshoot issues.
The division into system and regular users is not so much a technical differentiation…
