Linux Redhat System Administration II SA2 RHEL8

Linux Redhat System Administration II SA2 RHEL8

What you’ll learn

Scheduling Future Tasks
Practice QA for Linux EXAM-200
Adjusting Tuning Profiles
Controlling Access to files with ACLs
Managing SELinux Security
Adding Partitions, File Systems, and Persistent mounts
Creating Logical Volumes
Controlling the Boot Process
Managing Network Security
Automating Installation with Kickstart
Network File System
KVM Virtualization
Improving Command-line Productivity
Introducing containers
Lab – configure a basic container

Requirements

PC or Laptop with internet Connection
Linux OS 8, CentOS, VMware Workstation & Oracle VirtualBox
Students should have completed Linux System Administration – SA1 (OS Version 8)

Description

Linux Certified System Administrator Exam (E-X: 200 – 2.5 Hours Required), there are two course modules as shown below.  Linux System Administration I – SA1 (First part)  Linux System Administration II – SA2 (Second part)  ==> This Course Module will teach you this module.Course ContentLinux System Administration II – SA2  with Practice QA for first level of Exam.IntroductionOverview about the Course ModuleScheduling Future TasksOverview of Scheduling TasksScheduling a Deferred User JobControlling Nice Values with Queue DesignationsScheduling Recurring User JobsScheduling a job for a specific time – 1Scheduling a job for a specific time – 2Practice Lab Session – Scheduling a Recurring User JobsScheduling Recurring System JobsPractice Lab Session – System JobsScheduling tasks with Systemd TimerPractice Lab Session – Systemd TimerManaging Temporary FilesCleaning Temporary Files with a Systemd TimerLab – Configure systemd-tmpfiles to remove unused temporary files from /tmpLab – Configure systemd-tmpfiles to periodically purge files from another directoryAdjusting Tuning ProfilesOverview about tuning profilesManaging profiles from the command lineLab Session – Tune a server’s performance by activating the tuned service and apply a tuning profile to powersave.Process Scheduling & MultitaskingDisplaying Nice Levels from the Command LineChanging the Nice Level of an Existing ProcessLab Session: Influencing Process SchedulingControlling Access to files with ACLsAccess Control List Concepts Set ACLs on filesDefault ACLsViewing and Interpreting ACL PermissionsLab – set acl on filesLab – set acl on directoriesLab – Mask to limit the set of permissionsLab – default aclGuided Exercise on ACLManaging SELinux SecuritySELinux Security ConceptsSELinux ContextSELinux ModesApache service without SELinux Protection (DAC)Apache service with SELinux Protection (MAC)Practical approach to understand SELinuxLab – Change context temporaryLab – Change context permanentlyLab – SELinux inheritance and its pitfallsSELinux BooleansLab – SELinux BooleansAudit logs & Troubleshooting SELinuxAdding Partitions, File Systems, and Persistent mountsPartitioning a DiskBenefits of disk partitioningMBR Partitioning SchemePrimary & Extended PartitionsGPT Partitioning Scheme How to identify what partitioning standard is usedManaging Partitions with PartedCreating a file systemSwap Space ConceptsCreate a Swap PartitionsSetting the Swap Space PriorityCreating Logical VolumesThe LVM Logical Volume ManagerFeatures of LVMLVM Architecture OverviewArchitectural Overview via DiagramLVM Components – PV, VG, LVLab 1 – Creation of PV, VG, LVLab 2 – Create File System, Mount PointLab 3 – Remove a Logical VolumeLab 4 – Extending and Reducing a Volume GroupLab 5 – Extending a LV and xfs & ext4 FSLab 6 – Extend a swap spaceAdvanced Storage FeaturesAbout StratisLab – Installing & Configuring StratisLab – Managing Stratis File SystemsLab – Persistently Mounting Stratis File SystemsLab – Stratis filesystem snapshotGuided Exercise – Create a thin-provisioned file systemGuided Exercise – Verify file system grows dynamicallyGuided Exercise – Create & access data from SnapshotVDO – Virtual Data OptimizerLab – Installation VDOLab – Create & format a VDO VolumeLab – Testing Deduplication:Recap – LabLab – Extend & Remove VDO VolumeControlling the Boot ProcessBooting Process of a RHEL 8 SystemSelecting a systemd target, rebooting & shuttingLab Exercise – Determine the default target and change the target into running system.Lab – Selecting a rescue mode at boot timeResetting a root passwordRepairing Systemd Boot IssuesBooting RHEL 8 into Rescue ModeBooting RHEL 8 into Emergency ModeEnabling the Early Debug ShellRepair a File System Issues at bootLab – Repair a File SystemManaging Network SecurityFirewall ConceptsFeatures and advantages of firewalldPre-defined ZonesPacket flow via firewalldAdd, remove services from firewall server – Lab SessionAdd http service to allow access the website – Lab SessionPort Forwarding – allow access a website running on 12345 portmasquerading, network address translationLab Session – masquerading, port forwardingrich rulesLab Session – rich rulesAutomating Installation with KickstartOverview Kickstart ServerArchitectural OverviewLab 1 – Configure dhcp serverLab 2 – Configure tftp, pxe boot serverLec 3 – Configure httpd, kick start configuration fileLab 4 – Configure http repository, start servicesLab 5 – Boot the Client from NetworkNetwork File SystemOverview of NFSnfsconf toolLab – Accessing Network-Attached StorageExercise – NFS ShareMounting NFS Shares with AutomounterAutomounter BenefitsLab – Automounter using indirect mapLab Session on Indirect Wildcard MapsLab Session on Direct mapsKVM VirtualizationOverview of Linux VirtualizationHypervisor Concept – type 1 & type 2Types of VirtualizationKVM, QEMU & Libvirt Architecturevirsh command to manager vm’sLab SessionIntroducing ContainersIntroducing Container TechnologyPlanning for containersLab – configure a basic containerLab – mapping container host ports to the containerLab – stop, restart & remove containerImproving Command-line ProductivityWriting Simple Bash ScriptsLab – Writing Simple Bash ScriptsSimple Commands in LinuxVariable, single and double quote, backslashRedirection outputRedirection output – LabLast lecture

Overview

Section 1: Introduction

Lecture 1 Introduction

Section 2: Scheduling Future Tasks

Lecture 2 Overview of Scheduling Tasks

Lecture 3 Practica Lab Session : Scheduling a Deferred User Job

Lecture 4 Queue Designations

Lecture 5 Scheduling Recurring User Jobs

Lecture 6 Scheduling a job for a specific time – 1

Lecture 7 Scheduling a job for a specific time – 2

Lecture 8 Practice Lab Session – Scheduling a Recurring User Jobs

Lecture 9 Scheduling Recurring System Jobs

Lecture 10 Practice Lab Session – System Jobs

Lecture 11 Scheduling tasks with Systemd Timer

Lecture 12 Practice Lab Session – Systemd Timer

Lecture 13 Managing Temporary Files

Lecture 14 Cleaning Temporary Files with a Systemd Timer

Lecture 15 Lab Session – 1

Lecture 16 Lab Session – 2

Section 3: Adjusting Tuning Profiles

Lecture 17 Overview about tuning profiles

Lecture 18 Managing profiles from the command line

Lecture 19 Lab Session – Tuning profile

Lecture 20 Process Scheduling & Multitasking

Lecture 21 Displaying Nice Levels from the Command Line

Lecture 22 Changing the Nice Level of an Existing Process

Lecture 23 Lab Session: Influencing Process Scheduling

Section 4: Controlling Access to files with ACLs

Lecture 24 Access Control List Concepts

Lecture 25 Set ACLs on files

Lecture 26 Default ACLs

Lecture 27 Lab – set acl on files

Lecture 28 Lab – set acl on directories

Lecture 29 Lab – Mask to limit the set of permissions

Lecture 30 Lab – default acl

Lecture 31 Guided Exercise on ACL

Section 5: Managing SELinux Security

Lecture 32 SELinux Security Concepts

Lecture 33 SELinux Context

Lecture 34 SELinux Modes

Lecture 35 Lab on SELinux Modes

Lecture 36 Practical approach to understand SELinux

Lecture 37 Lab – Change context temporary

Lecture 38 Lab – Change context permanently

Lecture 39 Lab – SELinux inheritance and its pitfalls

Lecture 40 SELinux Booleans

Lecture 41 Lab – SELinux Booleans

Lecture 42 Audit logs & Troubleshooting SELinux

Section 6: Adding Partitions, File Systems, and Persistent mounts

Lecture 43 Partitioning a Disk

Lecture 44 MBR Partitioning Scheme

Lecture 45 Primary & Extended Partitions

Lecture 46 GPT Partitioning Scheme

Lecture 47 Managing Partitions with Parted

Lecture 48 Creating a file system

Lecture 49 Swap Space Concepts

Lecture 50 Create a Swap Partitions

Lecture 51 Setting the Swap Space Priority

Section 7: Creating Logical Volumes

Lecture 52 The LVM Logical Volume Manager

Lecture 53 Features of LVM

Lecture 54 LVM Architecture Overview

Lecture 55 Architectural Overview via Diagram

Lecture 56 LVM Components

Lecture 57 Lab 1 – Creation of PV, VG, LV

Lecture 58 Lab 2 – Create File System, Mount Point

Lecture 59 Lab 3 – Remove a Logical Volume

Lecture 60 Lab 4 – Extending and Reducing a Volume Group

Lecture 61 Lab 5 – Extending a LV and xfs & ext4 FS

Lecture 62 Lab 6 – Extend a swap space

Section 8: Advanced Storage Features

Lecture 63 About Stratis

Lecture 64 Lab – Installing & Configuring Stratis

Lecture 65 Lab – Managing Stratis File Systems

Lecture 66 Lab – Persistently Mounting Stratis File Systems

Lecture 67 Lab – Stratis filesystem snapshot

Lecture 68 Guided Exercise – Create a thin-provisioned file system

Lecture 69 Guided Exercise – Verify file system grows dynamically

Lecture 70 Guided Exercise – Create & access data from Snapshot

Lecture 71 VDO – Virtual Data Optimizer

Lecture 72 Lab – Installation VDO

Lecture 73 Lab – Create & format a VDO Volume

Lecture 74 Lab – Testing Deduplication:

Lecture 75 Recap – Lab

Lecture 76 Lab – Extend & Remove VDO Volume

Section 9: Controlling the Boot Process

Lecture 77 Booting Process of a R-H-E-L 8 System

Lecture 78 Selecting a systemd target, rebooting & shutting

Lecture 79 Practice Lab Session

Lecture 80 Practice Lab Session

Lecture 81 Resetting a root password

Lecture 82 Repairing Systemd Boot Issues – rescue & emergency mode & debug shell

Lecture 83 Repair a File System Issues at boot

Lecture 84 Lab – Repair a File System

Lecture 85 Lab – Repair a File System

Section 10: Managing Network Security

Lecture 86 Firewall Concepts

Lecture 87 Features and advantages of firewalld

Lecture 88 Pre-defined Zones

Lecture 89 Packet flow via firewalld

Lecture 90 Add, remove services from firewall server – Lab Session

Lecture 91 Add http service to allow access the website – Lab Session

Lecture 92 Port Forwarding – allow access a website running on 12345 port

Lecture 93 masquerading, network address translation

Lecture 94 Lab Session – masquerading, port forwarding

Lecture 95 rich rules

Lecture 96 Lab Session – rich rules

Lecture 97 Lab Session – rich rules

Section 11: Automating Installation with Kickstart

Lecture 98 Overview Kickstart Server

Lecture 99 Architectural Overview

Lecture 100 Configure dhcp server – Lab1

Lecture 101 Configure tftp, pxe boot server – Lab 2

Lecture 102 Configure httpd, kick start configuration file – Lab 3

Lecture 103 Configure http repository, start services – Lab 4

Lecture 104 Boot the Client from Network – Lab 5

Section 12: Network File System

Lecture 105 Overview of NFS

Lecture 106 nfsconf tool

Lecture 107 Lab – Accessing Network-Attached Storage

Lecture 108 Exercise – NFS Share

Lecture 109 Mounting NFS Shares with Automounter

Lecture 110 Lab – Automounter using indirect map

Lecture 111 Lab – Indirect Wildcard Maps

Lecture 112 Lab – Direct maps

Section 13: Introducing Containers

Lecture 113 Introducing Container Technology

Lecture 114 Planning for containers

Lecture 115 Lab – configure a basic container

Lecture 116 Lab – mapping container host ports to the container

Lecture 117 Lab – stop, restart & remove container

Section 14: Improving Command-line Productivity

Lecture 118 Bash Shell Scripts

Lecture 119 Practice Lab Session

Lecture 120 Simple Commands in Linux

Lecture 121 Variable, single and double quote, backslash

Lecture 122 Redirection output

Lecture 123 Redirection output – Lab

Section 15: KVM Virtualization

Lecture 124 Overview of Linux Virtualization

Lecture 125 Hypervisor Concept – type 1 & type 2

Lecture 126 Types of Virtualization

Lecture 127 KVM, QEMU & Libvirt Architecture

Lecture 128 Lab 1

Lecture 129 Lab 2

Lecture 130 virsh command to manager vm’s

Lecture 131 Last Lecture

Section 16: Practice Tests for Linux EX200 – Exam 1 (OS Ver 8)

There is no formal prerequisites for this course; however, previous system administrator experience on other operating system would be very beneficial.

Course Information:

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