Oracle Linux 8: System Administration II

• Completion of Oracle Linux System Administration I or equivalent experience
• Basic knowledge of Linux command-line tools

Audience

• System administrators
• IT professionals

Oracle Linux 8: System Administration II builds on the concepts learned in Oracle Linux 8: System Administration I and delves into more advanced topics like security, networking, system performance tuning, automation, and troubleshooting.

This instructor-led, live training (online or onsite) is aimed at advanced-level system administrators who wish to deepen their knowledge in system management, troubleshooting, and performance tuning.

By the end of this training, participants will be able to:

• Configure and manage advanced user and group settings, including implementing user quotas and system-wide user environments.
• Use security auditing tools and configure sudo for controlled administrative access.
• Monitor and optimize system performance.
• Configure, analyze, and troubleshoot system logs.
• Develop and implement backup and recovery solutions.

Format of the Course

• Interactive lecture and discussion.
• Lots of exercises and practice.
• Hands-on implementation in a live-lab environment.

Course Customization Options

• To request a customized training for this course, please contact us to arrange.

Introduction

Review of Oracle Linux 8 Fundamentals

• Recap of key concepts from Oracle Linux System Administration I
• Understanding advanced shell scripting
• Review of file system management and permissions

User and Group Management

• Advanced user and group management
• Configuring system-wide user environments
• Managing user quotas and monitoring usage

Security Enhancements

• Implementing SELinux for security policies
• Managing firewalls with firewalld
• Security auditing tools and techniques
• Configuring sudo for fine-grained administrative access

Performance Monitoring and Tuning

• Using performance monitoring tools
• System logging and log management with rsyslog and journald
• Performance optimization strategies for CPU, memory, and I/O

System Maintenance and Troubleshooting

• Configuring and analyzing system logs
• Kernel crash analysis and using kdump
• Diagnosing and resolving boot issues
• Handling disk space and managing partitions effectively

Automation with Bash and Shell Scripting

• Advanced Bash scripting techniques
• Using cron jobs and systemd timers for automation
• Writing scripts for automating routine administrative tasks

Network Configuration and Management

• Managing and troubleshooting network services
• Configuring network interfaces with NetworkManager
• Firewall configuration with iptables and nftables
• Implementing secure remote access with SSH and VPNs

Package Management and Software Installation

• Advanced dnf usage for package management
• Configuring repositories and installing third-party software
• Managing software updates and patches

System Backup and Recovery

• Using rsync and tar for backups
• Automated backup strategies
• Restoring systems from backups

Summary and Next Steps