APT Package Manager

  1. System Maintenance and Upgrades
    1. Routine Maintenance Procedures
      1. Update Cycle Management
        1. Maintenance Scheduling
          1. System Health Monitoring
          2. Standard Maintenance Steps
            1. Index Updates
              1. Package Upgrades
                1. System Cleanup
                  1. Security Updates
                2. Distribution Upgrades
                  1. Upgrade Preparation
                    1. System Backup Procedures
                      1. Release Notes Review
                        1. Compatibility Assessment
                          1. Downtime Planning
                          2. Configuration Updates
                            1. sources.list Modification
                              1. Distribution Codename Changes
                                1. Repository URL Updates
                                2. Upgrade Execution
                                  1. Distribution Upgrade Commands
                                    1. do-release-upgrade Tool
                                      1. Upgrade Monitoring
                                        1. Post-Upgrade Verification
                                        2. Post-Upgrade Tasks
                                          1. System Validation
                                            1. Configuration Review
                                              1. Application Testing
                                                1. Performance Assessment

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                                            5. Advanced Package Operations

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                                            7. APT Configuration Management