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Course Outline
Introduction
- Overview of Oracle Linux for government operations
- Exploring the gateway machine for secure network access
- Exploring the host virtual machine for efficient resource management
Getting Started with Oracle Linux
- Installing Oracle Linux 8 in a government environment
- Connecting to a remote server using SSH for secure communication
- Configuring OpenSSH for enhanced security and compliance
Using the GRUB Bootloader
- Overview of the GRUB Bootloader for system initialization
- Configuring the GRUB 2 Bootloader for multiple kernel options
- Exploring the GRUB 2 Bootloader features and settings
- Booting different kernels to support various operational requirements
Introduction to Systemd
- Overview of systemd for system initialization and service management
- Understanding the service unit file for task automation
- Using grub menu and command line for boot configuration
- Using systemd units for managing services and processes
- Using systemd service units to control and monitor services
Managing Time
- Managing system tasks for efficient operations
- Configuring date and time settings for accurate record-keeping
- Configuring Chrony for synchronized time across networked systems
- Automating tasks to reduce administrative burden
Configuring Device and Kernel
- Understanding the sysfs file system for device management
- Updating using DNF for package management in a government environment
- Using loadable kernel modules to enhance system capabilities
- Using the /proc file and sysfs file system for real-time data access
- Using the sysctl utility for runtime configuration of kernel parameters
- Configuring udev rules for dynamic device management
Managing Packages
- Installing, updating, or removing packages using dnf for system maintenance
- Using the rpm utility for package verification and manipulation
- Accessing the Oracle Linux yum server for official software repositories
- Creating a local yum repository to support internal distribution
- Using the dnf utility and modules for advanced package management
Using Oracle Ksplice
- Ksplice web interface for automated kernel updates
- Installing the Ksplice offline client for manual updates
- Ksplice online updates for seamless security patches
User and Group Administration
- Group account administration for role-based access control
- Installing and using Oracle/local case file for user management
- Administering user and group accounts for secure operations
- Implementing user private groups to enhance security
- Configuring password aging for compliance with security policies
- Allowing and restricting sudo command usage for privilege escalation control
Using Partitions, File Systems, and Swap
- Removing partitions to reconfigure storage devices
- File system types supported by Oracle Linux
- Listing the current disk partitions for inventory purposes
- Partitioning a storage device to optimize performance
- Creating ext4 file systems for data integrity and reliability
- Increasing swap space to improve system responsiveness
Configuring the Network
- Understanding the nmcli radio object for network management
- Configuring the eth1 network interface for connectivity
- Using the nmcli and nmtui utility for network configuration
- Using the ip utility for advanced network diagnostics
Securing the Network
- Overview of network security best practices for government systems
- Starting and configuring firewalld for firewall management
- Configuring nftables for packet filtering and traffic control
Oracle on Oracle
- Understanding Oracle-related shell limits for optimal performance
- Installing and running Oracle database preinstall scripts for deployment
- Preparing disks for Automatic Storage Management (ASM) to support large datasets
- Installing and configuring ASMLib for enhanced storage management
- Reverting changes to restore system stability
Monitoring and Managing the System
- Using the top utility for real-time process monitoring
- OSWatcher analyzer (OSWbba) for performance data collection
- Using sosreport for comprehensive system diagnostics
- Using standard Linux performance monitoring tools to ensure operational efficiency
- Installing and using OSWatcher for continuous performance tracking
- Using OSWatcher analyzer to interpret collected data
Using System Logging
- Configuring log rotation to manage log file sizes
- Configuring system logging for audit and troubleshooting purposes
- Using rsyslog templates for customized log formats
- Using logwatch for automated log analysis and reporting
- Using systemd-journald for centralized log management
Troubleshooting
Summary and Next Steps
Requirements
- Understanding of Linux systems for government operations
Target Audience
- System Administrators
- Technical Consultants
- Database Administrators
35 Hours
