Course Content
Preparing Our Lab Environment
In this course, we are going configure our lab environment for hands-on practice. We are going to use a virtual machine. This virtual machine can be installed on a Hypervisor like VMWare Workstation, Oracle Virtual Box. It could also be a cloud server hosted in Amazon Web Services, Microsoft Azure, Oracle Cloud Infrastructure (OCI) or in any other cloud provider. For the purpose of this training, we will be using VMWare Workstation PRO as our hypervisor. The main computer system for hands-on learning activities is workstation. Students also use two other machines for these activities: servera and serverb. All three systems are in the lab.uta.com DNS domain. All student computer systems have a standard user account, student, which has the password student. The root password on all student systems is redhat.
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Lab Setup | How To Download VMWare Workstation Pro
09:49
Lab Setup | How To Create a Red Hat Account
02:22
Lab Setup | Download RHEL 9.5 Image
03:56
Lab Setup | Create Virtual Machines in VMWare Workstation PRO 17 and Install Operating System
25:39
Lab Setup Configuring Hostnames and Hosts Files in Workstation
15:25
Lab Setup Configuring Hostnames and Hosts Files in Servera and Serverb
14:03
Lab Setup | How to Communicate From One Server to Another Server
07:23
Lab Setup | Understanding the GUI
11:49
Lab Setup | How to Take a Snapshot of our Servers
06:59
Lab Setup | How to Grant Sudo Privilege to a User
06:14
Chapter 1. Introduction to Red Hat Enterprise Linux
While Linux in general offers flexibility, security, and performance, RHEL provides additional enterprise-level features, support, and long-term stability, making it an excellent choice for businesses and large-scale deployments.
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Definition of Linux and open-source software.
Benefits of Red Hat Enterprise Linux (RHEL)
Overview of Linux Distributions (Distros)
Importance of Linux Skills
Chapter 1. Introduction to Red Hat Enterprise Linux Quiz
Red Hat System Administration I for Beginners
About Lesson
  1. Prevalence in Servers and Cloud Computing: Linux powers the majority of web servers, cloud infrastructure, and enterprise systems. Knowledge of Linux is crucial for understanding how these systems work, and it’s often a requirement for careers in system administration, DevOps, and cloud engineering.
  2. Open-Source Ecosystem: Linux is at the heart of the open-source software movement. Mastering Linux skills means being able to work with a wide range of open-source tools and technologies that are foundational in software development, data science, cybersecurity, and more.
  3. Flexibility and Customization: Linux is highly flexible, allowing users to configure it to suit their needs, which is especially valuable in custom IT environments. This adaptability makes it essential for professionals working in varied industries.
  4. Security: Linux is known for its robust security features, and understanding how to secure and configure Linux systems is essential for anyone working in network security, penetration testing, or compliance-based industries.
  5. Cost-Effectiveness: As Linux is free and open-source, it is widely used in organizations looking to minimize software licensing costs. Having Linux skills can make you an asset to companies that prefer using open-source solutions for cost savings.
  6. Performance and Scalability: Linux systems are known for their high performance and scalability. Professionals who understand how to optimize and manage Linux systems can help organizations scale their infrastructure efficiently.
  7. Industry Standard for Development: Many developers prefer Linux for its robust development environment and support for a variety of programming languages, tools, and IDEs. Knowledge of Linux is essential for developers working in fields like DevOps, software engineering, and cloud-native application development.

Career Opportunities for Linux Skills:

  1. System Administrator:
    • Role: System administrators manage and maintain Linux-based systems, ensuring they run efficiently and securely. They are responsible for monitoring performance, troubleshooting issues, and applying updates.
    • Skills Required: System administration, troubleshooting, server configuration, security management, network configuration, cloud technologies.
    • Job Outlook: System administrators are in high demand in enterprises, cloud providers, and data centers.
  2. DevOps Engineer:
    • Role: DevOps engineers bridge the gap between development and operations, automating the deployment process and ensuring that software can be reliably released. Linux knowledge is crucial for managing the infrastructure where code runs.
    • Skills Required: Automation tools (e.g., Ansible, Docker, Kubernetes), cloud infrastructure (AWS, Azure), scripting (Bash, Python), and version control systems (Git).
    • Job Outlook: DevOps roles are among the fastest-growing tech careers due to the demand for continuous software delivery.
  3. Cloud Engineer:
    • Role: Cloud engineers design, manage, and deploy cloud-based solutions, and Linux is the operating system of choice for many cloud platforms. Knowledge of Linux is essential for managing virtual machines, containers, and services in the cloud.
    • Skills Required: Cloud platforms (AWS, Google Cloud, Azure), containerization (Docker, Kubernetes), networking, and Linux system administration.
    • Job Outlook: As cloud computing continues to grow, cloud engineers with Linux expertise are highly sought after.
  4. Security Engineer / Ethical Hacker:
    • Role: Linux security engineers focus on securing Linux systems, identifying vulnerabilities, and implementing security measures to protect data and infrastructure. Ethical hackers use Linux for penetration testing and vulnerability assessments.
    • Skills Required: Penetration testing tools (Kali Linux), firewall management, intrusion detection systems (IDS), security auditing, and encryption techniques.
    • Job Outlook: Cybersecurity roles continue to rise with the growing focus on data security and cyber threats.
  5. Linux Developer:
    • Role: Linux developers write software for Linux environments. This can range from system-level software (e.g., kernel development) to application-level development (e.g., web servers, databases).
    • Skills Required: Programming languages (C, C++, Python, Shell scripting), Linux APIs, system-level development, and debugging.
    • Job Outlook: With the rise of Linux-based software and systems, there is a growing demand for Linux developers across many industries, including embedded systems and cloud computing.
  6. Site Reliability Engineer (SRE):
    • Role: SREs ensure the reliability, performance, and scalability of production systems. They often work in cloud-based environments, where Linux is the most commonly used operating system.
    • Skills Required: Automation, monitoring, incident response, Linux system management, cloud infrastructure, and software engineering.
    • Job Outlook: The need for SREs is growing as companies require greater uptime and reliability for their services.
  7. Linux Trainer / Consultant:
    • Role: Linux trainers teach individuals and organizations how to use and manage Linux systems effectively. Consultants provide advice on implementing Linux solutions, managing infrastructure, and optimizing workflows.
    • Skills Required: In-depth knowledge of Linux, teaching ability, and consulting experience.
    • Job Outlook: With the increasing use of Linux, the demand for trainers and consultants continues to rise.
  8. Embedded Systems Engineer:
    • Role: Engineers working with embedded Linux systems design software that runs on devices like IoT (Internet of Things) products, robots, and medical equipment. Linux is commonly used in embedded systems due to its low cost and flexibility.
    • Skills Required: Embedded systems programming (C, C++), Linux kernel development, cross-compilation, and hardware interfacing.
    • Job Outlook: The growth of IoT and smart devices creates a strong demand for embedded systems engineers skilled in Linux.
  9. Database Administrator (DBA):
    • Role: Database administrators ensure the performance, availability, and security of databases running on Linux-based systems. Many databases (e.g., MySQL, PostgreSQL) run best on Linux.
    • Skills Required: Database management, SQL, backups, optimization, and security.
    • Job Outlook: As organizations continue to rely on data-driven applications, DBAs with Linux expertise are in demand.

Benefits of Linux Skills for Your Career:

  • High Demand in the Job Market: As Linux continues to dominate in server environments, cloud platforms, and software development, professionals with Linux expertise are highly sought after across various industries.
  • Opportunities Across Multiple Industries: Linux is used in industries ranging from tech and finance to healthcare and entertainment. With Linux skills, you can work in diverse fields and sectors.
  • Potential for Career Growth: As you gain expertise in Linux and related technologies (e.g., DevOps, cloud computing, cybersecurity), you can advance to higher-level roles, such as system architect, senior engineer, or even IT leadership positions.
  • Competitive Salaries: Professionals with Linux skills, particularly in specialized roles (e.g., DevOps, cloud engineering, security), are often compensated well due to the high demand for their expertise.

 

Summary:
Linux skills are critical in today’s technology landscape and open the door to a wide range of career opportunities across industries. Whether you’re interested in system administration, software development, cloud computing, cybersecurity, or DevOps, Linux expertise is an invaluable asset that can significantly boost your career prospects.

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