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Course Outline

Kernel and Performance Optimization

  • Sysctl parameters and permanent tuning strategies
  • CPU and memory optimization profiles
  • Real-time performance tracking and bottleneck identification

Security Reinforcement

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

Advanced Networking and Firewalld

  • Advanced firewalld application with rich rules and direct configuration
  • Managing NAT, port forwarding, and masquerading
  • Network namespaces and isolated network environments

High Availability and Clustering

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

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 deployment

System Logging and Centralized Monitoring

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

Summary and Future Directions

Requirements

  • Successfully completing Oracle Linux 9: System Administration II or possessing comparable practical experience.
  • Working knowledge of shell scripting, storage management, and service administration.

Target Audience

  • Senior system administrators and Linux engineers.
  • DevOps specialists operating within enterprise Oracle Linux environments.
  • Technical personnel preparing for high-availability setups and advanced automation tasks.
 21 Hours

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