Language: English (US)

Develop the skills required for a Red Hat Certified System Administrator (RHCSA) Exam

https://www.udemy.com/course/redhat-training-certification-rhel9-rh134/

Disclaimer: This module is not authorized by Red Hat.

The Red Hat System Administration II (RH134) course focuses on essential tasks required to become a full-time Linux administrator  and to validate those skills through the Red Hat Certified System Administrator exam.

This course goes deeper into Enterprise Linux administration, including file systems, partitioning, logical volumes, SELinux, firewalls, and troubleshooting.

Course Content:

Section 1: Introduction

-> Introduction about the course module

Section 2: Improve command-line productivity

-> Write simple bash scripts

-> Execute a bash shell script

-> Quote special characters

-> Lab- variable & special characters

-> echo command

-> Lab- echo command

-> Lab- redirection operator ">"

-> Lab- redirection stderr, append "2>", ">>"

-> Loops to iterate commands

-> Exit codes in bash script

-> Lab- exit code number

-> Lab- exit code in bash script

-> Test logic

-> Conditional structure-if, else, elif..

-> Lab- if, else

-> Lab- if, elif

-> Grep command

-> Regular expressions

-> Lab- Match the start and end of a line using "^" & "$"

Section 3:Schedule future tasks

-> Schedule deferred user tasks

-> Inspect and manage deferred user jobs

-> Lab1- at command

-> Lab2- at command

-> Recurring user jobs

-> Examples- Recurring user jobs

-> Lab- crontab(Recurring user jobs)

-> Lab 1- Schedule a script via crontab

-> Lab 2- Schedule a script via crontab

-> Recurring system jobs

-> Run periodic commands with Anacron

-> System timer

-> Lab- system timer

-> Managing temporary files

-> Cleaning temporary files with a systemd timer

-> Lab 1- Managing temp files

-> Lab 2- Managing temp files

Section 4: Tune system performance

-> Adjust tuning profiles

-> Managing Profiles from the command line

-> Manage profile with the command line

-> Linux process scheduling

Section 5: Managing SElinux security

-> SELinux security concepts

-> SELinux protection (DAC vs MAC)

-> SELinux context

-> Lab- SELinux context

-> Practical approach to understand SELinux security

-> SELinux modes

-> Toggling the SELinux modes temporarily

-> Toggling the SELinux modes permanently

-> Lab- SELinux security

-> Industrial project on SELinux security-1

-> Industrial project on SELinux security-2

-> Industrial project on SELinux security-3

-> Industrial project on SELinux security-4

-> Lab- change the SELinux context

-> Define SELinux default file context policies

-> Lab- SELinux default file context policies

-> SELinux Booleans

-> Lab 1- SELinux Booleans

-> Lab 2- SELinux Booleans

Section 6: Manage basic storage

-> Overview of partition disk

-> MBR partition scheme

-> MBR- Master Boot Record

-> Limitation of MBR partition scheme

-> GPT partition scheme

-> Manage partitions

-> Lab- create partition using parted command

-> Lab- create partition using single command

-> Lab- create file systems

-> Lab- persistently mount file system

-> lsblk command to scan the block devices

-> Swap space concepts

-> Create a swap partition

-> Activate swap space

-> Activate swap space persistently

-> Set swap space priority

Section 7: Manage storage stack-LVM

-> Overview of LVM- Logical volume manager

-> Features of LVM

-> Architectural overview of LVM

-> Architectural overview via diagram

-> Lab- create PV(Physical Volume)

-> Lab- create VG(Volume Group)

-> Lab- create LV(Logical Volume)

-> Lab- create a FS and LV

-> Lab- Display information about PV,VG, and LV

-> Extend a volume Group size

-> Lab- Extend a volume Group size

-> Extend a logical volume size

-> Lab- Extend an XFS file system

-> Lab- Extend an EXT4 file system

-> Extend swap space logical volumes

-> Reduce volume group storage

-> Remove a logical volume

-> Remove the volume group

Section 8: Manage layered storage

-> Overview of stratis storage management

-> Install and enable stratis

-> Create stratis pools

-> Manage stratis file system

-> Create a stratis file system snapshot

-> Persistently mount stratis file systems

-> Industrial Project- Lab 1

-> Industrial Project- Lab 2

-> Industrial Project- Lab 3

-> Industrial Project- Lab 4

-> Industrial Project- Lab 5

-> Industrial Project- Lab 6

Section 9: Access network-attached storage

-> Overview of NFS in Linux

-> Accessing exported NFS directories

-> Query a server's exported NFS directories

-> Create local yum server to install NFS package

-> Lab- Install NFS package

-> Lab- Create a NFS file system

-> Lab- Export the file system

-> Lab- Configure NFS client

-> Lab- Mount the exported FS on client

-> Lab- Unmount the exported FS

-> Mount NFS exports with the Automounter

-> Lab 1- Setup automount using Indirect Map

-> Lab 2- Setup automount using Indirect Map

-> Lab 3- Check the Autofs working

-> Lab 4- Automatically unmount the file system if it is not being accessed.

-> Lab 1- Industrial project on Indirect Wildcard Maps

-> Lab 2- Industrial project on Indirect Wildcard Maps

-> Lab 3- Industrial project on Indirect Wildcard Maps

-> Lab 4- Industrial project on Indirect Wildcard Maps

-> Lab 5- Industrial project on Indirect Wildcard Maps

Section 10: Control the boot process

-> Booting process of RHEL 9 system

-> Reboot and Shutdown

-> System Target

-> Select a target at runtime

-> Set a default target

-> Select a target at boot time

-> Reset the root passwd using Rd.Break

-> Reset the root password using RHEL9 ISO

-> Repairing System boot Issues- Rescue mode

-> Boot RHEL 9 into Emergency mode

-> Enabling the early debug Shell

-> Repair file system issues at boot

-> Repair file system- Misconfiguration in the /etc/fstab

-> Repair file system- Root FS corruption

Section 11: Run Containers

-> Introducing container technology

-> Container images and registries

-> Authenticate to registry- Podman login

-> Conf file of container registries

-> Container files to Build container Images

-> The Podman Utility

-> Install Container Utilities

-> Search a container Image

-> Examine container image- skopeo inspect

-> Create a container image using containerfile

-> Inspect the container image

-> Run containers

-> Create and start container

-> Run a container from a remote repository

-> Run a ubuntu container

-> Run an Apache webserver container on port 8080

-> Environment isolation in containers

-> Podman exec- executes a command inside a running container

-> Remove containers and images

-> Manage container resources

-> Environment variable for containers

-> Run a MariaDB container while passing environment variables

-> Ephemeral nature of container storage

-> Container Persistent storage

-> Attach the persistent storage to a container

-> Assign a port mapping to containers

-> Map the container host port on the container (MariaDB)

-> Last Lecture

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