Red Hat RHCSA

The Red Hat Certified System Administrator (RHCSA)  is a highly valuable certification to pursue as it equips individuals with essential skills in Linux administration. Mastering RHCSA  provides a strong foundation for managing Red Hat Enterprise Linux systems, enabling professionals to thrive in diverse IT roles, boost employability, and advance their careers.

The Red Hat Certified System Administrator (RHCSA) exam validates a candidate's skills and knowledge in areas of system administration common across a wide range of environments and deployment scenarios. The EX-200 exam is based on Red Hat Enterprise Linux. The RHCSA certification is targeted at experienced Linux system administrators who require a certification either by their organization or based on a mandate

Course Objectives

Introduction

• Goals and Methods
• How This Course Is Organized
• Exam Objective to Lesson Mapping

Installing Red Hat Enterprise Linux

• Preparing to Install Red Hat Enterprise Linux
• Performing a Manual Installation

Using Essential Tools

• Basic Shell Skills
• Editing Files with vim
• Understanding the Shell Environment
• Finding Help

Essential File Management Tools

• Working with the File System Hierarchy
• Managing Files
• Using Links
• Working with Archives and Compressed Files

Working with Text Files

• Using Common Text File–Related Tools
• A Primer to Using Regular Expressions
• Using grep to Analyze Text
• Working with Other Useful Text Processing Utilities

Connecting to Red Hat Enterprise Linux 8

• Working on Local Consoles
• Using SSH and Related Utilities

User and Group Management

• Different User Types
• Managing User Accounts
• Creating and Managing Group Accounts

Permissions Management

• Managing File Ownership
• Managing Basic Permissions
• Managing Advanced Permissions
• Managing ACLs
• Setting Default Permissions with umask
• Working with User-Extended Attributes

Configuring Networking

• Networking Fundamentals
• Managing Network Addresses and Interfaces
• Validating Network Configuration
• Configuring Network Configuration with nmtui and nmcli
• Setting Up Hostname and Name Resolution

Managing Software

• Managing Software Packages with yum
• Using yum
• Managing Package Module Streams
• Managing Software Packages with rpm

Managing Processes

• Introduction to Process Management
• Managing Shell Jobs
• Using Common Command-Line Tools for Process Management
• Using top to Manage Processes
• Using tuned to Optimize Performance

Working with Systemd

• Understanding Systemd
• Managing Units Through Systemd

Scheduling Tasks

• Configuring Cron to Automate Recurring Tasks
• Configuring at to Schedule Future Tasks

Configuring Logging

• Understanding System Logging
• Configuring rsyslogd
• Rotating Log Files
• Working with journald

Managing Storage

• Understanding MBR and GPT Partitions
• Managing Partitions and File Systems
• Mounting File Systems

Managing Advanced Storage

• Understanding LVM
• Creating LVM Logical Volumes
• Resizing LVM Logical Volumes
• Configuring Stratis
• Configuring VDO

Basic Kernel Management

• Understanding the Role of the Linux Kernel
• Working with Kernel Modules
• Upgrading the Linux Kernel

Managing and Understanding the Boot Procedure

• Managing Systemd Targets
• Working with GRUB 2

Essential Troubleshooting Skills

• Understanding the RHEL 8 Boot Procedure
• Passing Kernel Boot Arguments
• Using a Rescue Disk
• Fixing Common Issues
• Recovering Access to a Virtual Machine

An Introduction to Bash Shell Scripting

• Understanding Shell Scripting Core Elements
• Using Variables and Input
• Using Conditional Loops

Configuring SSH

• Hardening the SSH Server
• Using Other Useful sshd Options
• Configuring Key-Based Authentication with Passphrases

Managing Apache HTTP Services

• Configuring a Basic Apache Server
• Understanding Apache Configuration Files
• Creating Apache Virtual Hosts

Managing SELinux

• Understanding SELinux Working and Modes
• Understanding Context Settings and the Policy
• Restoring Default File Contexts
• Using Boolean Settings to Modify SELinux Settings
• Diagnosing and Addressing SELinux Policy Violations

Configuring a Firewall

• Understanding Linux Firewalling
• Working with Firewalld
• Summary
• Review Questions
• End-of-Lesson Lab

Accessing Network Storage

• Using NFS Services
• Using CIFS Services
• Mounting Remote File Systems Through fstab
• Using Automount to Mount Remote File Systems

Configuring Time Services

• Understanding Local Time
• Using Network Time Protocol
• Managing Time on Red Hat Enterprise Linux

Final Preparation

• General Tips

Theoretical Pre-Assessment Exam

RHCSA Practice Exam A

• General Notes

RHCSA Practice Exam B

• General Notes

RHCSA Practice Exam C

• General Notes

RHCSA Practice Exam D

• General Notes

Appendix A: Study Planner

Red Hat RHCSA 8 certification offers a powerful combination of industry recognition, Linux expertise, and career opportunities. Whether you're starting your IT journey or seeking to advance your career, investing in RHCSA 8 is a smart choice that can lead to a rewarding and fulfilling professional future.

Who Should Pursue This Certification?

The Red Hat Certified System Administrator (RHCSA) certification is ideal for system administrators responsible for managing Red Hat Enterprise Linux systems, IT professionals seeking validation of their Linux administration skills, Linux enthusiasts looking to deepen their knowledge of Red Hat's distribution, students and aspiring IT professionals aiming to specialize in Linux administration or Red Hat products, employees within organizations relying on Red Hat Enterprise Linux, and individuals planning to advance to higher-level certifications within Red Hat's certification track. While RHCSA provides a valuable credential, practical hands-on experience with Linux systems in real-world scenarios is equally important for developing proficient skills in system administration.

🔥 Benefits and Beyond:

By obtaining the Red Hat Certified System Administrator (RHCSA) certification are numerous. Firstly, it signifies a high level of proficiency in managing Red Hat Enterprise Linux systems, making holders highly sought after in the job market. This certification often leads to enhanced job opportunities, potentially higher salaries, and increased job security. Additionally, RHCSA serves as a solid foundation for pursuing more advanced certifications within the Red Hat certification track, enabling further career growth. Beyond the professional realm, achieving RHCSA brings a sense of accomplishment and recognition in the IT community. It fosters personal and professional development, boosts confidence, and validates one's expertise in Linux system administration. Overall, RHCSA offers a host of benefits, both in terms of career advancement and personal fulfillment, making it a valuable achievement for IT professionals.

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