Oracle Linux 8: System Administration III Training Course

Introduction

Advanced Package Management

• Overview of advanced features in YUM and DNF
• Managing software repositories, including the creation of custom repositories for government use
• Resolving dependencies and troubleshooting package issues for enhanced system reliability
• RPM package management, covering creation, verification, and uninstallation processes for government systems
• GPG key management to ensure package integrity in government environments

Advanced Filesystem Management

• Advanced partitioning techniques and the use of filesystems such as XFS, Btrfs, and ZFS for government operations
• Creating and managing LVM snapshots and backups for robust data protection
• Tuning filesystem performance and implementing quotas to optimize resource allocation in government systems
• Encrypting filesystems to secure data at rest, ensuring compliance with government security standards
• Managing large-scale storage solutions, including NFS, iSCSI, and SAN, for efficient data management for government use

Network Services and Security

• Advanced network configuration using NetworkManager to support government network requirements
• Managing multiple network interface cards (NICs) and configuring bonding/teaming for enhanced reliability and performance in government networks
• Configuring firewalld to enhance network security for government systems
• Implementing intrusion detection and prevention systems (IDPS) to safeguard government data
• Ensuring secure remote administration with SSH and VPNs, critical for maintaining the integrity of government operations

Kernel Tuning and System Performance

• Overview of kernel modules and tuning parameters to optimize system performance for government applications
• Managing kernel updates and rollbacks to maintain system stability in government environments
• Performance profiling and monitoring to identify and address bottlenecks in government systems
• Tuning memory, CPU, and I/O settings to achieve optimal performance for government operations
• Scheduling tasks and managing resources with cgroups and systemd for efficient resource allocation in government systems

System Security and SELinux

• Understanding SELinux policies and modes to enhance security in government systems
• Managing and troubleshooting SELinux contexts to ensure secure system operation for government use
• Auditing system security using auditd and journald to maintain compliance with government regulations
• Configuring secure boot and kernel lockdown to prevent unauthorized access in government environments
• Implementing security policies with OpenSCAP and CIS benchmarks to meet government standards

Automation with Ansible and Shell Scripting

• Introduction to Ansible for automating system management tasks in government operations
• Writing playbooks and managing inventories to streamline automation processes for government systems
• Automating common tasks, such as user management and system updates, to improve efficiency in government environments
• Creating shell scripts for task automation to support routine maintenance in government systems
• Scheduling automated tasks with cron and at to ensure consistent system performance for government use

High Availability and Clustering

• Configuring Oracle Linux Cluster to achieve high availability in government systems
• Managing failover services and cluster nodes to ensure continuous operation in government environments
• Setting up and managing Pacemaker and Corosync for reliable clustering solutions for government use
• Configuring storage options, such as DRBD and GFS2, to support high availability requirements in government systems
• Monitoring and troubleshooting cluster performance to maintain system reliability for government operations

Virtualization and Containers

• Overview of Oracle Linux Virtualization Manager (OLVM) for efficient virtualization management in government settings
• Managing virtual machines and containers to support diverse government applications
• Configuring KVM and Libvirt for effective VM management in government systems
• Introduction to Docker and Podman for deploying containerized environments in government operations
• Securing and troubleshooting virtualization and container solutions to ensure robust system performance for government use

Disaster Recovery and Backup Solutions

• Setting up automated backups using Bacula and Amanda to protect government data
• Using rsync for remote backups and synchronization to enhance data integrity in government systems
• Developing disaster recovery strategies and planning to ensure business continuity for government operations
• Configuring RAID for data redundancy and recovery to meet government reliability standards
• Recovering systems using snapshots and restoring filesystems to minimize downtime in government environments

Troubleshooting and Optimization

• Advanced system logging and analysis techniques using journald and rsyslog to support government operations
• Diagnosing performance bottlenecks and resource constraints to optimize system efficiency for government use
• Troubleshooting boot and system failures to maintain reliable operation in government systems
• Kernel and hardware troubleshooting methods to address complex issues in government environments
• Best practices for ongoing system optimization to ensure sustained performance in government operations

Summary and Next Steps