MP4 | Video: AVC 1280x720 | Audio: AAC 48KHz 2ch | Duration: 6.5 Hours | 13.6 GB

Genre: eLearning | Language: English

Introduction

Linux Troubleshooting: Introduction

Module 1: Troubleshooting Basics

Module introduction

Lesson 1: Troubleshooting Basics

Learning objectives

1.1 Understanding Troubleshooting Procedures

1.2 Gathering Information

1.3 Using Red Hat Resources

1.4 Warming Up Lab

Lesson 2: Systems Monitoring

Learning objectives

2.1 Using Monitoring Systems

2.2 Understanding Logging

2.3 Setting up Remote Logging

2.4 Tracking Changes

2.5 Configuring AIDE

2.6 Working with auditd

Module 2: Troubleshooting Boot and Hardware-related Issues

Module introduction

Lesson 3: Troubleshooting Boot Issues

Learning objectives

3.1 Understanding the Boot Procedure

3.2 Understanding Troubleshooting Modes

3.3 Using Low-Level Troubleshooting Modes

3.4 Using Systemd Troubleshooting Modes

3.5 Understanding GRUB

3.6 Fixing Boot Problems on a BIOS System

3.7 Understanding UEFI Boot

3.8 Fixing Boot problems on a UEFI System

3.9 Troubleshooting Failing Services in Systemd

3.10 Resetting the Root Password

Lesson 4: Managing Hardware Issues

Learning objectives

4.1 Understanding Hardware Management

4.2 Identifying Hardware

4.3 Finding Hardware Issues

4.4 Identifying Driver Issues

4.5 Managing Kernel Module Options

4.6 Managing Virtualization Options

4.7 Fixing Virtualization Problems

Lesson 5: Managing Storage Issues

Learning objectives

5.1 Understanding Linux Storage

5.2 Recovering Deleted Partitions

5.3 Fixing File System Corruption

5.4 Dealing with LVM Problems

5.5 Understanding LUKS

5.6 Fixing LUKS Issues

5.7 Fixing Issues with Virtual Machine Storage

5.8 Understanding iSCSI

5.9 Resolving iSCSI Issues

Lesson 6: Troubleshooting Networking

Learning objectives

6.1 Understanding Networking

6.2 Fixing Device Configuration Issues

6.3 Fixing DNS Issues

6.4 Fixing Connectivity Issues

6.5 Analyzing Network Traffic

6.6 Analyzing Local Service Availability

6.7 Analyzing Remote Service Availability

6.8 Understanding Firewalling

6.9 Fixing Firewall Issues

Module 3: Troubleshooting Software-related Issues

Module introduction

Lesson 7: Managing Software Issues

Learning objectives

7.1 Understanding Linux Packages

7.2 Resolving Dependency Issues

7.3 Recovering a Corrupted Package Database

7.4 Identifying Changed Files

Lesson 8: Managing Application Issues

Learning objectives

8.1 Understanding the Application Stack

8.2 Fixing Library Issues

8.3 Debugging Applications

8.4 Identifying Memory Leaks

Lesson 9: Managing Security Issues

Learning objectives

9.1 Understanding Linux Security

9.2 Preventing Backdoors

9.3 Troubleshooting Permissions

9.4 Understanding SELinux Issues

9.5 Managing SELinux Issues

9.6 Understanding PAM

9.7 Managing Authentication Problems

9.8 Understanding Remote Authentication

9.9 Troubleshooting Remote Authentication

Module 4: Troubleshooting Kernel-related Issues

Module introduction

Lesson 10: Troubleshooting Kernel Issues

Learning objectives

10.1 Understanding the Linux Kernel

10.2 Working with Crash Dumps

10.3 Setting up Remote Core Dump Locations

10.4 Testing and Analyzing Core Dumps

Lesson 11: Fixing Performance Problems

Learning objectives

11.1 Understanding Linux Performance

11.2 Fixing Storage Performance

11.3 Fixing File System Performance

11.4 Optimizing Memory performance

11.5 Optimizing Network Performance

11.6 Optimizing Scheduler Performance

11.7 Optimizing CPU Performance

Module 5: Sample Exam

Module introduction

Lesson 12: Sample Exam

Learning objectives

12.1 Fixing Problems Logging in as Root

12.2 Fixing Boot Problems

12.3 Failure to Start SSH

12.4 Analyzing a Hack

12.5 Big Trouble While Booting

12.6 Fixing More Login Problems

Summary

Linux Troubleshooting: Summary