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 Duration 21 hours (3 days)

Course Outline

Kernel and Performance Optimization

  • Sysctl parameters and persistent configuration
  • CPU and memory tuning strategies
  • Real-time performance monitoring and identifying bottlenecks

Security Hardening

  • Securing SSH and remote access protocols
  • Restricting root and sudo permissions
  • Implementing system-wide hardening checklists and scripts

Advanced Networking and Firewalld

  • Advanced firewalld usage involving rich rules and direct configuration
  • Managing NAT, port forwarding, and masquerading
  • Network namespaces and isolated environments

High Availability and Clustering

  • Introduction to Oracle Clusterware and Pacemaker/Corosync
  • Building high-availability clusters
  • Failover mechanisms and resource management workflows

Storage and Network File Systems

  • iSCSI targets and initiators
  • Secure utilization of NFSv4 and SMB/CIFS
  • GlusterFS and distributed storage principles

Automation with Ansible

  • Creating and running Ansible playbooks
  • Leveraging roles, handlers, and variables
  • Automating configuration and service rollout

System Logging and Centralized Monitoring

  • Effective use of journald and rsyslog
  • Integration with centralized logging platforms (e.g., ELK)
  • Configuring alerts and audit trails

Summary and Next Steps

Requirements

  • Successful completion of Oracle Linux 9: System Administration II or comparable practical experience
  • Proficiency in shell scripting, storage management, and service administration

Target Audience

  • Lead system administrators and Linux engineers
  • DevOps specialists operating within enterprise Oracle Linux landscapes
  • Technical personnel preparing for high-availability and complex automation challenges

Testimonials (1)

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