Linux Administration

  1. Shell Scripting and Automation
    1. Bash Scripting Fundamentals
      1. Script Structure and Shebang
        1. Declaring and Using Variables
          1. Command Substitution
            1. Quoting and Escaping in Scripts
              1. Conditional Statements
                1. if Statements
                  1. case Statements
                  2. Loops
                    1. for Loops
                      1. while Loops
                        1. until Loops
                        2. Functions
                          1. Defining and Calling Functions
                            1. Passing Arguments
                            2. Reading User Input
                              1. read Command
                                1. Input Validation
                                2. Error Handling and Exit Status
                                  1. Debugging Scripts
                                  2. Task Scheduling
                                    1. Scheduling Recurring Tasks with cron
                                      1. Crontab Syntax
                                        1. User vs. System Crontabs
                                          1. Managing Crontab Entries
                                          2. Scheduling One-Time Tasks with at
                                            1. at Command Usage
                                              1. Managing at Jobs

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                                          10. System Security

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                                          12. System Monitoring and Performance