RH199 - ch05s10

Preface A: Introduction

Section A.1: RHCSA Rapid Track

Section A.2: Orientation to the Classroom Environment

Section A.3: Performing Lab Exercises

Chapter 1: Access Systems and Get Support

Section 1.1: Edit Text Files from the Shell Prompt

Section 1.2: Guided Exercise: Edit Text Files from the Shell Prompt

Section 1.3: Configure SSH Key-based Authentication

Section 1.4: Guided Exercise: Configure SSH Key-based Authentication

Section 1.5: Create a Diagnostics Report

Section 1.6: Guided Exercise: Create a Diagnostics Report

Section 1.7: Detect and Resolve Issues with Red Hat Insights

Section 1.8: Quiz: Detect and Resolve Issues with Red Hat Insights

Section 1.9: Summary

Chapter 2: Manage Files from the Command Line

Section 2.1: Describe Linux File System Hierarchy Concepts

Section 2.2: Quiz: Describe Linux File System Hierarchy Concepts

Section 2.3: Make Links Between Files

Section 2.4: Guided Exercise: Make Links Between Files

Section 2.5: Match File Names with Shell Expansions

Section 2.6: Quiz: Match File Names with Shell Expansions

Section 2.7: Lab: Manage Files from the Command Line

Section 2.8: Summary

Chapter 3: Manage Local Users and Groups

Section 3.1: Describe User and Group Concepts

Section 3.2: Quiz: Describe User and Group Concepts

Section 3.3: Gain Superuser Access

Section 3.4: Guided Exercise: Gain Superuser Access

Section 3.5: Manage Local User Accounts

Section 3.6: Guided Exercise: Manage Local User Accounts

Section 3.7: Manage Local Group Accounts

Section 3.8: Guided Exercise: Manage Local Group Accounts

Section 3.9: Manage User Passwords

Section 3.10: Guided Exercise: Manage User Passwords

Section 3.11: Lab: Manage Local Users and Groups

Section 3.12: Summary

Chapter 4: Control Access to Files

Section 4.1: Manage File System Permissions from the Command Line

Section 4.2: Guided Exercise: Manage File System Permissions from the Command Line

Section 4.3: Manage Default Permissions and File Access

Section 4.4: Guided Exercise: Manage Default Permissions and File Access

Section 4.5: Lab: Control Access to Files

Section 4.6: Summary

Chapter 5: Manage SELinux Security

Section 5.1: Change the SELinux Enforcement Mode

Section 5.2: Guided Exercise: Change the SELinux Enforcement Mode

Section 5.3: Control SELinux File Contexts

Section 5.4: Guided Exercise: Control SELinux File Contexts

Section 5.5: Adjust SELinux Policy with Booleans

Section 5.6: Guided Exercise: Adjust SELinux Policy with Booleans

Section 5.7: Investigate and Resolve SELinux Issues

Section 5.8: Guided Exercise: Investigate and Resolve SELinux Issues

Section 5.9: Lab: Manage SELinux Security

SectionSection 5.10: Summary

Chapter 6: Tune System Performance

Section 6.1: Kill Processes

Section 6.2: Guided Exercise: Kill Processes

Section 6.3: Monitor Process Activity

Section 6.4: Guided Exercise: Monitor Process Activity

Section 6.5: Adjust Tuning Profiles

Section 6.6: Guided Exercise: Adjust Tuning Profiles

Section 6.7: Influence Process Scheduling

Section 6.8: Guided Exercise: Influence Process Scheduling

Section 6.9: Lab: Tune System Performance

Section 6.10: Summary

Chapter 7: Schedule Future Tasks

Section 7.1: Schedule Recurring User Jobs

Section 7.2: Guided Exercise: Schedule Recurring User Jobs

Section 7.3: Schedule Recurring System Jobs

Section 7.4: Guided Exercise: Schedule Recurring System Jobs

Section 7.5: Manage Temporary Files

Section 7.6: Guided Exercise: Manage Temporary Files

Section 7.7: Quiz: Schedule Future Tasks

Section 7.8: Summary

Chapter 8: Install and Update Software Packages

Section 8.1: Register Systems for Red Hat Support

Section 8.2: Quiz: Register Systems for Red Hat Support

Section 8.3: Install and Update Software Packages with DNF

Section 8.4: Guided Exercise: Install and Update Software Packages with DNF

Section 8.5: Enable DNF Software Repositories

Section 8.6: Guided Exercise: Enable DNF Software Repositories

Section 8.7: Lab: Install and Update Software Packages

Section 8.8: Summary

Chapter 9: Manage Basic Storage

Section 9.1: Mount and Unmount File Systems

Section 9.2: Guided Exercise: Mount and Unmount File Systems

Section 9.3: Add Partitions, File Systems, and Persistent Mounts

Section 9.4: Guided Exercise: Add Partitions, File Systems, and Persistent Mounts

Section 9.5: Manage Swap Space

Section 9.6: Guided Exercise: Manage Swap Space

Section 9.7: Lab: Manage Basic Storage

Section 9.8: Summary

Chapter 10: Manage Storage Stack

Section 10.1: Create and Extend Logical Volumes

Section 10.2: Guided Exercise: Create and Extend Logical Volumes

Section 10.3: Lab: Manage Storage Stack

Section 10.4: Summary

Chapter 11: Control Services and Boot Process

Section 11.1: Identify Automatically Started System Processes

Section 11.2: Guided Exercise: Identify Automatically Started System Processes

Section 11.3: Control System Services

Section 11.4: Guided Exercise: Control System Services

Section 11.5: Select the Boot Target

Section 11.6: Guided Exercise: Select the Boot Target

Section 11.7: Reset the Root Password

Section 11.8: Guided Exercise: Reset the Root Password

Section 11.9: Repair File-system Issues at Boot

Section 11.10: Guided Exercise: Repair File-system Issues at Boot

Section 11.11: Lab: Control the Boot Process

Section 11.12: Summary

Chapter 12: Analyze and Store Logs

Section 12.1: Describe System Log Architecture

Section 12.2: Quiz: Describe System Log Architecture

Section 12.3: Review Syslog Files

Section 12.4: Guided Exercise: Review Syslog Files

Section 12.5: Review System Journal Entries

Section 12.6: Guided Exercise: Review System Journal Entries

Section 12.7: Preserve the System Journal

Section 12.8: Guided Exercise: Preserve the System Journal

Section 12.9: Maintain Accurate Time

Section 12.10: Guided Exercise: Maintain Accurate Time

Section 12.11: Lab: Analyze and Store Logs

Section 12.12: Summary

Chapter 13: Manage Networking

Section 13.1: Validate Network Configuration

Section 13.2: Guided Exercise: Validate Network Configuration

Section 13.3: Configure Networking from the Command Line

Section 13.4: Guided Exercise: Configure Networking from the Command Line

Section 13.5: Edit Network Configuration Files

Section 13.6: Guided Exercise: Edit Network Configuration Files

Section 13.7: Configure Hostnames and Name Resolution

Section 13.8: Guided Exercise: Configure Hostnames and Name Resolution

Section 13.9: Lab: Manage Networking

Section 13.10: Summary

Chapter 14: Access Network-Attached Storage

Section 14.1: Manage Network-Attached Storage with NFS

Section 14.2: Guided Exercise: Manage Network-Attached Storage with NFS

Section 14.3: Automount Network-Attached Storage

Section 14.4: Guided Exercise: Automount Network-Attached Storage

Section 14.5: Lab: Access Network-Attached Storage

Section 14.6: Summary

Chapter 15: Manage Network Security

Section 15.1: Manage Server Firewalls

Section 15.2: Guided Exercise: Manage Server Firewalls

Section 15.3: Control SELinux Port Labeling

Section 15.4: Guided Exercise: Control SELinux Port Labeling

Section 15.5: Lab: Manage Network Security

Section 15.6: Summary

Chapter 16: Run Containers

Section 16.1: Introduction to Containers

Section 16.2: Quiz: Introduction to Containers

Section 16.3: Creating Containers with Podman

Section 16.4: Guided Exercise: Creating Containers with Podman

Section 16.5: Container Image Registries

Section 16.6: Guided Exercise: Container Image Registries

Section 16.7: Managing the Container Lifecycle

Section 16.8: Guided Exercise: Managing the Container Lifecycle

Section 16.9: Lab: Run Containers

Section 16.10: Summary

Chapter 17: Comprehensive Review

Section 17.1: Comprehensive Review

Section 17.2: Lab: Fix Boot Issues and Maintain Servers

Section 17.3: Lab: Configure and Manage File Systems and Storage

Section 17.4: Lab: Configure and Manage Server Security

Section 17.5: Lab: Run Containers

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Summary

Use the getenforce and setenforce commands to manage the SELinux mode of a system.
The semanage command manages SELinux policy rules. The restorecon command applies the context that the policy defines.
Booleans are switches that change the behavior of the SELinux policy. You can enable or disable them to tune the policy.
The sealert command displays useful information to help with SELinux troubleshooting.

Revision: rh199-9.3-8dd73db

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