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Course Outline

Introduction

Refresher on Oracle Linux 8 Essentials

  • Recap of core concepts from Oracle Linux System Administration I
  • Exploration of advanced shell scripting techniques
  • Review of file system management and permission structures

User and Group Administration

  • Advanced management of users and groups
  • Setting up system-wide user environments
  • Oversight of user quotas and usage monitoring

Security Improvements

  • Deploying SELinux for enforcing security policies
  • Controlling firewalls using firewalld
  • Application of security auditing tools and methodologies
  • Configuring sudo for granular administrative access

Performance Monitoring and Tuning

  • Utilization of performance monitoring utilities
  • System logging and management via rsyslog and journald
  • Optimization strategies for CPU, memory, and I/O performance

System Maintenance and Troubleshooting

  • Configuration and analysis of system logs
  • Kernel crash analysis and utilization of kdump
  • Identification and resolution of boot-related issues
  • Efficient handling of disk space and partition management

Automation via Bash and Shell Scripting

  • Sophisticated Bash scripting techniques
  • Leveraging cron jobs and systemd timers for automation
  • Development of scripts to automate routine administrative duties

Network Configuration and Administration

  • Management and troubleshooting of network services
  • Configuration of network interfaces using NetworkManager
  • Firewall setup with iptables and nftables
  • Implementation of secure remote access via SSH and VPNs

Package Management and Software Deployment

  • Advanced application of dnf for package management
  • Repository configuration and installation of third-party software
  • Oversight of software updates and patch management

System Backup and Recovery

  • Utilization of rsync and tar for backup operations
  • Development of automated backup strategies
  • Process for restoring systems from backups

Summary and Next Steps

Requirements

  • Successful completion of Oracle Linux System Administration I or comparable practical experience
  • Familiarity with fundamental Linux command-line utilities

Target Audience

  • System administrators
  • IT professionals
 21 Hours

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