OL8-SA1: Oracle Linux 8: System Administration I

Module 1: Course Introduction

• Course Introduction
• Demonstration
• Practice 1-1: Exploring the Gateway Machine
• Practice 1-2: Exploring the host02 VM
• Practice 1-3: Exploring the host03 VM
• Practice 1-4: Logging Off from Your Gateway Machine

Module 2: Introduction to Oracle Linux

• Introduction to Oracle Linux
• Oracle Linux
• Practice 2-1: Quiz – Introduction to Oracle Linux
• Practice 2-2: Viewing Kernel Information

Module 3: Installing Oracle Linux 8

• Installing Oracle Linux 8
• Installation Destination
• Demonstration: Installing Oracle Linux 8

Module 4: OpenSSH

• OpenSSH
• Demo 4-1: System Installation
• Practice 4-1: Connecting to a Remote Server by Using SSH
• Practice 4-2: Configuring OpenSSH to Connect Without a Password

Module 5: The GRUB Bootloader

• The GRUB Bootloader
• GRUB 2 Bootloader Configuration
• Practice 5-1: Exploring the GRUB 2 Bootloader
• Practice 5-2: Booting Different Kernels
• Practice 5-3: Rebuilding the initramfs
• Demonstration: Accessing the GRUB Menu to Select Different Kernels and to Modify Boot Parameters

Module 6: Introduction to system

• Introduction to systemd
• The Service Unit File
• Demoe 6-1: Grub Menu and Command Line
• Practice 6-1: Exploring systemd Units
• Practice 6-2: Working with systemd Service Units

Module 7: Managing Time

• Managing Time
• Automating System Tasks
• Practice 7-1: Configuring Date and Time
• Practice 7-2: Configuring Chrony
• Practice 7-3: Automating Tasks with chron
• Practice 7-4: Automating Tasks Using systemd Timers

Module 8: Kernel and Device Configuration

• Kernel and Device Configuration
• The sysfs File System
• Demo 8-1: Update or Upgrade Using DNF
• Practice 8-1: Using Loadable Kernel Modules
• Practice 8-2: Exploring the /proc File System
• Practice 8-3: Exploring the sysfs File System
• Practice 8-4: Using the sysctl Utility
• Practice 8-5: Exploring and Configuring udev Rules

Module 9: Package Management

• Package Management
• Using dnf to Install, Upgrade, or Remove Packages
• Practice 9-1: Using the rpm Utility
• Practice 9-2: Accessing the Oracle Linux Yum Server
• Practice 9-3: Creating a Local Yum Repository
• Practice 9-4: Using the dnf Utility
• Practice 9-5: Using dnf Modules

Module 10: Oracle Ksplice

• Oracle Ksplice
• Ksplice Web Interface: System Status Detail
• Practice 10-1: Installing the Ksplice Offline Client and Kernel Updates
• Practice 10-2: Ksplice Online Updates

Module 11: User and Group Administration

• User and Group Administration
• Group Account Administration
• Demo 11-1: Install and use oracle/ local case file
• Practice 11-1: Administering User Accounts
• Practice 11-2: Administering Group Accounts
•  Practice 11-3: Implementing User Private Groups
• Practice 11-4: Configuring Password Aging
• Practice 11-5: Restricting the Use of the su Command
• Practice 11-6: Allowing the Use of the sudo Command

Module 12: Partitions, File Systems, and Swap

• Partitions, File Systems, and Swap
• Practice 12-5: Removing Partitions and Additional Swap Space
• File System Types
• Practice 12-1: Listing the Current Disk Partitions
• Practice 12-2: Partitioning a Storage Device
• Practice 12-3: Creating ext4 File Systems
• Practice 12-4: Increasing Swap Space

Module 13: Network Configuration

• Network Configuration
• The nmcli radio Object
• Practice 13-1: Configuring the ethl Network Interface
• Practice 13-2: Using the nmcli Utility
• Practice 13-3: Using the nmtui Utility
• Practice 13-4: Using the ip Utility

Module 14: Network Security

• Network Security
• Starting firewalld
• Practice 14-1: Exploring firewalld
• Practice 14-2: Configuring firewalld
• Practice 14-3: Configuring nftables

Module 15: Oracle On Oracle

• Oracle On Oracle
• Oracle-Related Shell Limits
• Practice 15-1: Installing and Running Oracle Database Preinstall
• Practice 15-2: Preparing disks for ASM use
• Practice 15-3: Installing and Configuring ASMLib
• Practice 15-4: Reverting Changes Made to host02

Module 16: System Monitoring and Management

• System Monitoring and Management
• top Utility
• OSWatcher Analyzer (OSWbba)
• Practice 16-1: Using sosreport to Collect System Information
• Practice 16-2: Using Standard Linux Performance Monitoring Tools
• Practice 16-3: Installing and Using OSWatcher
• Practice 16-4: Using OSWatcher Analyzer

Module 17: System Logging

• System Logging
• Configuring Log Rotation (logrotate)
• Practice 17-1: Configuring System Logging
• Practice 17-2: Using rsyslog Templates
• Practice 17-3: Using logwatch
• Practice 17-4: Using systemd-journald

Module 18: Troubleshooting

• Troubleshooting
• Practice 18-1: Transferring Utilities from Gateway & System Utility Commands Fail