Linux Administration

  1. System Services and Daemons
    1. Introduction to Systemd
      1. Systemd Architecture
        1. Systemd Units
          1. Service Units
            1. Socket Units
              1. Timer Units
                1. Target Units
                2. Managing Services with systemctl
                  1. Starting and Stopping Services
                    1. Restarting and Reloading Services
                      1. Enabling and Disabling Services
                        1. Masking and Unmasking Services
                          1. Checking Service Status
                          2. Analyzing Boot Process
                          3. Managing Services
                            1. Listing Active Services
                              1. Enabling Services at Boot
                                1. Troubleshooting Failed Services
                                2. Introduction to SysVinit (Legacy)
                                  1. SysVinit Architecture
                                    1. Runlevels and Their Meanings
                                      1. Init Scripts in /etc/init.d/
                                        1. Managing Services with service
                                        2. Journaling and Logging with journalctl
                                          1. Viewing Logs
                                            1. Filtering and Searching Logs
                                              1. Persistent vs. Volatile Logs

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                                            6. Software and Package Management

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                                            8. Networking