Course Outline

Introduction

Review of Oracle Linux 8 Fundamentals

  • Recap of key concepts from Oracle Linux System Administration I for government use
  • Understanding advanced shell scripting techniques for enhanced system management
  • Review of file system management and permissions to ensure data integrity and security

User and Group Management

  • Advanced user and group management practices to support organizational needs
  • Configuring system-wide user environments for consistent user experiences
  • Managing user quotas and monitoring usage to optimize resource allocation

Security Enhancements

  • Implementing SELinux for robust security policies in government systems
  • Managing firewalls with firewalld to protect against unauthorized access
  • Utilizing security auditing tools and techniques to maintain compliance and accountability
  • Configuring sudo for fine-grained administrative access control

Performance Monitoring and Tuning

  • Using performance monitoring tools to identify and address system bottlenecks
  • System logging and log management with rsyslog and journald for enhanced visibility
  • Performance optimization strategies for CPU, memory, and I/O to improve efficiency

System Maintenance and Troubleshooting

  • Configuring and analyzing system logs to diagnose issues promptly
  • Kernel crash analysis using kdump for thorough problem resolution
  • Diagnosing and resolving boot issues to ensure system availability
  • Handling disk space management and partitioning effectively to maintain performance

Automation with Bash and Shell Scripting

  • Advanced Bash scripting techniques for automating complex tasks
  • Using cron jobs and systemd timers for scheduled automation in government environments
  • Writing scripts to automate routine administrative tasks and reduce manual effort

Network Configuration and Management

  • Managing and troubleshooting network services to ensure reliable connectivity
  • Configuring network interfaces with NetworkManager for dynamic network management
  • Firewall configuration using iptables and nftables to enhance security
  • Implementing secure remote access solutions such as SSH and VPNs for government operations

Package Management and Software Installation

  • Advanced dnf usage for efficient package management in government systems
  • Configuring repositories and installing third-party software to meet specific requirements
  • Managing software updates and patches to maintain system security and functionality

System Backup and Recovery

  • Using rsync and tar for reliable backups of critical data
  • Implementing automated backup strategies to ensure data integrity
  • Restoring systems from backups to minimize downtime and data loss

Summary and Next Steps

Requirements

  • Completion of Oracle Linux System Administration I or equivalent experience
  • Fundamental understanding of Linux command-line tools

Audience

  • System administrators for government and other public sector organizations
  • IT professionals for government and other public sector entities
 21 Hours

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