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Red Hat System Administration II – SA2 (RHEL8)

Key tasks needed to become a full time Linux Administrator and to validate those skills via the Red Hat Certified System
Course from Udemy
 1909 students enrolled
Scheduling Future Tasks
Practice QA for RHCSA EXAM200
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

RED HAT ENTERPRISE Linux 8 with Practice QA for RHCSA EXAM200

Red Hat Certified System Administrator Exam (EX200 - 2.5 Hours Required), there are two course modules as shown below.

  •   Red Hat System Administration I - SA1 (RH124)

  •   Red Hat System Administration II - SA2 (RH134)  ==> This Course Module will teach you this module.

RED HAT CERTIFIED ENGINEER EXAM (EX294 - 4 Hours Required) [ RHCSA is required RHCE ]

  •   Red Hat System Administration III: Linux Automation with Ansible

Course Content

Red Hat System Administration II - SA2 (RH134) with Practice QA for RHCSA EXAM200


  • Overview about the Course Module

Scheduling Future Tasks

  • Overview of Scheduling Tasks

  • Scheduling a Deferred User Job

  • Controlling Nice Values with Queue Designations

  • Scheduling Recurring User Jobs

  • Scheduling a job for a specific time - 1

  • Scheduling a job for a specific time - 2

  • Practice Lab Session - Scheduling a Recurring User Jobs

  • Scheduling Recurring System Jobs

  • Practice Lab Session - System Jobs

  • Scheduling tasks with Systemd Timer

  • Practice Lab Session - Systemd Timer

  • Managing Temporary Files

  • Cleaning Temporary Files with a Systemd Timer

  • Lab - Configure systemd-tmpfiles to remove unused temporary files from /tmp

  • Lab - Configure systemd-tmpfiles to periodically purge files from another directory

Adjusting Tuning Profiles

  • Overview about tuning profiles

  • Managing profiles from the command line

  • Lab Session - Tune a server’s performance by activating the tuned service and apply a tuning profile to powersave.

  • Process Scheduling & Multitasking

  • Displaying Nice Levels from the Command Line

  • Changing the Nice Level of an Existing Process

  • Lab Session: Influencing Process Scheduling

Controlling Access to files with ACLs

  • Access Control List Concepts

  • Set ACLs on files

  • Default ACLs

  • Viewing and Interpreting ACL Permissions

  • Lab - set acl on files

  • Lab - set acl on directories

  • Lab - Mask to limit the set of permissions

  • Lab - default acl

  • Guided Exercise on ACL

Managing SELinux Security

  • SELinux Security Concepts

  • SELinux Context

  • SELinux Modes

  • Apache service without SELinux Protection (DAC)

  • Apache service with SELinux Protection (MAC)

  • Practical approach to understand SELinux

  • Lab - Change context temporary

  • Lab - Change context permanently

  • Lab - SELinux inheritance and its pitfalls

  • SELinux Booleans

  • Lab - SELinux Booleans

  • Audit logs & Troubleshooting SELinux

Adding Partitions, File Systems, and Persistent mounts

  • Partitioning a Disk

  • Benefits of disk partitioning

  • MBR Partitioning Scheme

  • Primary & Extended Partitions

  • GPT Partitioning Scheme

  • How to identify what partitioning standard is used

  • Managing Partitions with Parted

  • Creating a file system

  • Swap Space Concepts

  • Create a Swap Partitions

  • Setting the Swap Space Priority

Creating Logical Volumes

  • The LVM Logical Volume Manager

  • Features of LVM

  • LVM Architecture Overview

  • Architectural Overview via Diagram

  • LVM Components - PV, VG, LV

  • Lab 1 - Creation of PV, VG, LV

  • Lab 2 - Create File System, Mount Point

  • Lab 3 - Remove a Logical Volume

  • Lab 4 - Extending and Reducing a Volume Group

  • Lab 5 - Extending a LV and xfs & ext4 FS

  • Lab 6 - Extend a swap space

Controlling the Boot Process

  • Booting Process of a RHEL 8 System

  • Selecting a systemd target, rebooting & shutting

  • Lab Exercise - Determine the default target and change the target into running system.

  • Lab - Selecting a rescue mode at boot time

  • Resetting a root password

  • Repaiting Systemd Boot Issues

  • Booting RHEL 8 into Rescue Mode

  • Booting RHEL 8 into Emergency Mode

  • Enabling the Early Debug Shell

  • Repair a File System Issues at boot

  • Lab - Repair a File System

Managing Network Security

  • Firewall Concepts

  • Features and advantages of firewalld

  • Pre-defined Zones

  • Packet flow via firewalld

  • Add, remove services from firewall server - Lab Session

  • Add http service to allow access the website - Lab Session

  • Port Forwarding - allow access a website running on 12345 port

  • masquerading, network address translation

  • Lab Session - masquerading, port forwarding

  • rich rules

  • Lab Session - rich rules

Automating Installation with Kickstart

  • Overview Kickstart Server

  • Architectural Overview

  • Lab 1 - Configure dhcp server

  • Lab 2 - Configure tftp, pxe boot server

  • Lec 3 - Configure httpd, kick start configuration file

  • Lab 4 - Configure http repository, start services

  • Lab 5 - Boot the Client from Network

Network File System

  • Overview of NFS

  • nfsconf tool

  • Lab - Accessing Network-Attached Storage

  • Exercise - NFS Share

  • Mounting NFS Shares with Automounter

  • Automounter Benefits

  • Lab - Automounter using indirect map

  • Lab Session on Indirect Wildcard Maps

  • Lab Session on Direct maps

KVM Virtualization

  • Overview of Linux Virtualization

  • Hypervisor Concept - type 1 & type 2

  • Types of Virtualization

  • KVM, QEMU & Libvirt Architecture

  • virsh command to manager vm's

  • Lab Session

Introducing Containers

  • Introducing Container Technology

  • Planning for containers

  • Lab - configure a basic container

  • Lab - mapping container host ports to the container

  • Lab - stop, restart & remove container

Improving Command-line Productivity

  • Writing Simple Bash Scripts

  • Lab - Writing Simple Bash Scripts

  • Simple Commands in Linux

  • Variable, single and double quote, backslash

  • Redirection output

  • Redirection output - Lab

  • Last lecture

Red Hat System Administration II – SA2 (RHEL8)
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