Linux

The foundation of DevOps. Master the command line, file system, permissions, process management, and Bash scripting.

Basic Linux

Introduction to Linux — what it is, the directory structure, navigation, and file operations.

Essential Linux commands for file system management, user administration, text processing, and system monitoring.

Understanding Linux file permissions, octal notation, chmod/chown commands, and Access Control Lists (ACL).

Real-world Linux interview and scenario questions covering services, commands, ACL, file searching, and text processing.

Learn Bash scripting fundamentals: shebang, variables, conditionals, loops, and functions.

Real-world Bash script examples including a full log analysis tool and other practical scripts.