Basic to advanced level of Linux - Practices for the RHCSA (Professional Linux Lessons)

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With more than 10 years of experience in the IT area, I have trained many students to develop in the world of the linux operating system.
Starting from basic level to advanced levels, each of the classes are focused towards the certification that you want to achieve (RHCSA/LFCS/LPIC).
I have worked as an instructor providing courses in companies and individual courses remotely.
My specialty is Red Hat, it is an operating system that I love and I would like them to learn all the good things that this operating system has to offer and the job opportunities that can be opened by developing this skill in their curriculum.

My certifications / Certifications:

Red Hat Certified System Administrator (RHCSA)
LPIC-1: Linux Administrator
IBM Mainframe Specialist - Linux Operations and Programming
Cisco Certified Network Routing and Switching Associate (CCNA)
AWS Certified Cloud Practitioner (CLF)
Oracle Solaris System Administrator Certified Professional (OCP) II

My courses / Courses:

Automation with Ansible Red Hat Enterprise
Linux Automation III with Ansible
Red Hat OpenShift I: Containers & Kubernetes
Red Hat System Administration I
Red Hat System Administration II
VMware vSphere: Install, Configure, Manage [V7]

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More than 10 years of experience in the IT area. I have trained many students to develop in the world of the Linux OS.
The classes are from basic to advanced level according to the student's needs. Each of the classes are focused towards the certification that you want to achieve (RHCSA / LFCS / LPIC).

I have served as an instructor providing courses in companies and individuals remotely courses.

My main skill is Red Hat, it is an operating system that I love and I would like you to learn all the benefits that this OS can offer you and the job opportunities that you can get developing this skill.

Extra information

Individual classes, 100% personalized and virtually.

Location

Online from Costa Rica

About Me

With more than 10 years of experience in the IT area, I have trained many students to develop in the world of the linux operating system.
Starting from basic level to advanced levels, each of the classes are focused on the certification that you want to achieve (RHCSA/LFCS/LPIC).

I have worked as an instructor providing courses in companies and individual courses remotely.

My specialty is Red Hat, it is an operating system that I love and I would like you to learn all the good that this operating system has to offer and the job opportunities that can be opened by developing this skill in your curriculum.

Education

My certifications / Certifications:

Red Hat Certified System Administrator (RHCSA)
LPIC-1: Linux Administrator
IBM Mainframe Specialist - Linux Operations and Programming
Cisco Certified Network Routing and Switching Associate (CCNA)
AWS Certified Cloud Practitioner (CLF)
Oracle Solaris System Administrator Certified Professional (OCP) II

Experience / Qualifications

My courses / Courses:

Automation with Ansible Red Hat Enterprise
Linux Automation III with Ansible
Red Hat OpenShift I: Containers & Kubernetes
Red Hat System Administration I
Red Hat System Administration II
VMware vSphere: Install, Configure, Manage [V7]

Age

Children (7-12 years old)

Teenagers (13-17 years old)

Adults (18-64 years old)

Seniors (65+ years old)

Student level

Beginner

Intermediate

Advanced

Duration

60 minutes

The class is taught in

Spanish

English

Skills

Linux

Unix

Information systems

Availability of a typical week

(GMT -04:00)

New York

Online via webcam

Mon

Tue

Wed

Thu

Fri

Sat

Sun

00-04

04-08

08-12

12-16

16-20

20-24

Anas

4.75

(12)

_*IMPORTANT*_
It will depend on how fast you learn, but you should allow at least 3 hours for a quick start.

Here is the proposed program:

I) What is SAP?
* Introduction to SAP (ECC)
* The main functions of SAP
* SAP architecture
* Structure and organizational data
* Overview of SAP functional modules (FI, SD, MM, PP etc.)

II) SAP : Getting Started
* Navigating the SAP system
* Logging in and out
* Presentation of the home screen
* Organization of SAP screen (fields, tabs, tables...)
* Use of the data search functions
* How to navigate in SAP
* Transaction system
* Examples of flows

Tanu

4.75

(12)

Docker is really important in today's world. As we are witnessing major shift from offline to online, from legacy server to cloud. In this major shift, cloud is important element. This transition is made really smooth with the help of docker and other containerisation tools. In this class we cover all the basic to advance topics of docker. We will have proper hands on sessions and complete practical knowledge along with fundamental topics. We will start using the images and then we will also build our own image. we can modify the topics as per requirement(basic, intermediate, advance).
Kubernetes is really important in today's world. As we are witnessing major shift from offline to online, from legacy server to cloud. In this major shift, cloud is important element. This transition is made really smooth with the help of Kubernetes. for this you should have at least basic knowledge of docker. In this class we will be covering the basic to advance concepts of Kubernetes, depending upon the requirement. We can start with fundamentals and then building up on top of it as per requirement.

Dr.

4.75

(12)

Explain the lessons of finite and infinite calculus with applications on calculus
Explanation of Diff & Integral.
Applications on calculus.
Are and volume calculations for solids boundaries by curves
In an easy and simplified way, with the solution of the examples mentioned in the previous exams and Assignments & Quizzes

David

4.75

(12)

Using a computer and these applications can be complicated for some and I therefore offer training to those who need it.

This training includes basic and advanced use of Windows computers and/or Mac OS (Apple) multiple applications such as the MS-Office suite (Word, Powerpoint, Excel etc.), Teams, Outlook etc...

Being a graduate with more than 20 years of experience at different levels in the field, it is possible to approach different levels of complexity from beginner to expert in Microsoft/Windows and/or Apple/MacOS/IOS environments.

Do not hesitate to contact me and I will be happy to answer your questions.

David

Patrick

4.75

(12)

Do you need professional support for your quantitative data analysis?
I offer you a personalized service, adapted to your academic or professional needs.

Whether you are a student, researcher, consultant or professional, I put my expertise at your disposal to help you:
Prepare and organize your databases,
Perform reliable statistical analyses with R, Stata, SPSS...
Interpret your results rigorously,
Present your work in the form of clear reports, graphics and publications.
Each project is handled with rigor, pedagogy, and confidentiality. You benefit from tailored support, whether for a professional assignment, a dissertation, a thesis, or a publication.

For those who wish to train in parallel, I have also designed a complete course to learn how to explore, manipulate and analyze your data independently.

Dr.Ibrahim

4.75

(12)

This course provides a foundational understanding of Information Technology, data centers, covering architecture, power & cooling, networking, storage, virtualization, security and lots more. Learn best practices for efficiency, scalability, and reliability while exploring emerging data center solutions. Ideal for IT professionals, engineers, and facility managers involved in data center deployment or management.

This course offers a comprehensive exploration of Information Technology, data center infrastructure, guiding students through the entire lifecycle—from initial design and planning to day-to-day operations and long-term performance optimization. Students will learn the critical components of data center design, including site selection, power and cooling systems, space planning, networking, and physical security. The course also covers operational best practices, monitoring tools, energy efficiency strategies, disaster recovery planning, and emerging trends. By integrating technical, environmental, and management perspectives, students will gain the knowledge and skills required to build and maintain high-performance, cost-effective, and sustainable data center environments.

Dr.Ibrahim

4.75

(12)

This course introduces students to the fundamentals of Information and Communication Technology (ICT) and its role in modern society. Topics include computer hardware and software, digital communication tools, internet technologies, data management, cybersecurity, and emerging trends. Students will gain practical skills in using productivity software, conducting online research, and understanding the ethical and responsible use of digital resources. The course emphasizes both technical proficiency and digital literacy, preparing learners to confidently navigate and contribute to a technology-driven world.

Jean

4.75

(12)

If you're thinking it's time to move away from paid commercial services, often American (thanks to Messrs. Trump, Musk, Zuckerberg, etc.) and turn to free solutions over which you take control, Linux may be an alternative for you.
Together, we can walk through the process: assess your current situation and needs, determine if Linux is a possibility, and then develop a learning and migration plan that I can support you in, based on your wishes.

As a university professor of computer science and a Linux fan for over 30 years, I can help you familiarize yourself with this system, or even adopt it as a replacement for commercial products.

Cedric

4.75

(12)

COMPUTER NETWORKS COURSE:

The Computer Networks course aims to introduce you to the principles, technologies, and tools that enable communication between computers and connected devices. You will learn how data flows across a network, how local area networks (LANs) and wide area networks (WANs) are structured, and the roles of the main equipment (switches, routers, access points, etc.).
By the end of this course, you will be able to:
- Understand how TCP/IP networks and IP addresses work.
- Configure a simple network and troubleshoot connectivity issues.
- Identify the main communication protocols (HTTP, DNS, DHCP, etc.).
- Implement basic network security concepts.

This course combines theory and practice, allowing you to develop concrete skills in network administration and troubleshooting.

WINDOWS SERVER COURSE

The Windows Server course aims to train you in the installation, configuration, and management of a Microsoft server operating system. You will learn how to create and administer a domain, manage users, groups, resource shares, and network security.

By the end of this course, you will be able to:

- Install and configure Windows Server.
- Manage user and group accounts with Active Directory.
- Setting up DNS and DHCP servers
- Implement security strategies (GPO).
- Administration of a multi-domain environment
- Administer file and printer sharing.
- Monitor and troubleshoot network services.

This course combines practical exercises and theoretical concepts to prepare you to effectively administer a professional Windows environment.

LINUX COURSE:

The Linux course aims to introduce you to the use and administration of free operating systems. You will learn to master basic commands, user, file, service and permission management, as well as the installation and configuration of a Linux system.

By the end of this course, you will be able to:
- Use the terminal and Linux commands effectively.
- Manage users, groups, rights and permissions.
- Install and configure network services (SSH, Apache, etc.).
- Automate tasks with shell scripts.
- Administer and troubleshoot a Linux system.

This course combines intensive practice and solid foundations to make you a competent Linux administrator.

Sami

4.75

(12)

A computer science engineer with a Master's degree (Bac+5), specializing in programming and algorithms, I have been a private tutor since 2023. I support middle school, high school, and post-secondary students with a clear, supportive, and structured teaching approach. My goal is to strengthen logic, methodology, and confidence so that each student can make lasting progress and achieve their academic goals.

Passionate about teaching and sharing computer science knowledge, I also volunteer to help young people develop their logic, autonomy and digital skills in a caring and motivating environment.

I support high school and post-baccalaureate students according to their field of study:

- NSI (general high school): Python, algorithms, web basics (HTML, CSS, JavaScript) and databases (SQL)

- STI2D – SIN option: Python, PHP, C (Arduino), technical projects and embedded systems

- Vocational Baccalaureate (Digital Systems): networks, systems and applied programming

- BTS in Computer Science: structured and object-oriented programming, professional projects and tools

My approach is based on listening, patience, and teaching methods adapted to each individual's profile, in order to foster success, motivation, and a desire to learn.

Elias

4.75

(12)

This course introduces students to the essential role of data annotation in artificial intelligence and machine learning. Learners will gain a clear understanding of how raw data is transformed into structured, labeled datasets that enable AI systems to learn, interpret, and make accurate predictions.

Through guided instruction and practical examples, the class explores different types of annotation, including text, image, audio, and video labeling. Students will learn industry-relevant techniques, annotation standards, and quality control practices that ensure consistency and reliability in real-world AI projects.

The course emphasizes hands-on learning, allowing participants to practice annotation tasks and understand how their work directly impacts the performance of AI models. By the end of the class, students will have the foundational knowledge and practical skills needed to begin working on data annotation tasks or pursue opportunities in the AI and data industry.

Ali

4.75

(12)

I offer one-to-one Robotics and Electronics tuition for kids, teenagers, GCSE, A-Level, and IB students who want to learn how robots, sensors, and microcontrollers actually work. Lessons are available online or in person around Birmingham.

What I cover:

Arduino programming and projects
Basic electronics: circuits, sensors, motors, LEDs
Introduction to robotics and automation
STEM coursework and school project support
GCSE, A-Level, and IB Design & Technology / Computing projects
Fun beginner builds: line-following robots, obstacle-avoiding cars, weather stations, smart home gadgets

How I teach:
I keep lessons hands-on and project-based, because kids learn best when they're building something they actually care about. We'll start with the basics — wiring up an LED, making a buzzer beep — and build up to fully working robots and gadgets. I'm patient with mistakes (they're part of the fun), and I explain everything in clear, simple language without dumbing it down.
This is perfect for parents whose children love technology, want to get ahead in STEM, or have a school project they need help with.

Send me a message and we can arrange a free 15-minute introductory chat to talk about your child's interests. No pressure, no commitment.

Alberto

4.75

(12)

Are you intrigued by the world of cybersecurity? This course is designed to teach you the fundamentals of web penetration testing in an accessible, straightforward, and guided way. You don't need advanced knowledge of networks or systems; we'll cover everything gradually and adapt it to your level. All you need is a desire to discover how internet security really works.

During our sessions, we will move from essential theory to practice. Together we will cover:

- Web Fundamentals: How browsers and servers communicate (HTTP/HTTPS protocols, request and response structure).
- Reconnaissance phase: techniques for gathering information about a target before analyzing it.
- We will understand and exploit common security flaws in a fully controlled manner (SQL Injections, Cross-Site Scripting (XSS), authentication problems...).
- Industry tools used by real auditors (Burp Suite, Nmap, Ffuf...).
- We will not only attack, but we will also look at the logic behind how these flaws are mitigated to protect the applications.

The course is essentially aimed at computer enthusiasts with no prior experience in cybersecurity, as well as web developers looking to understand attacks in order to write more secure code, or even vocational or university students who need a more practical approach.

My approach, as I mentioned, is 100% practical and adapted to your learning pace. All the practice is conducted within an ethical framework, using controlled testing environments, virtual machines, and laboratories, completely within the bounds of the law.

We'll start by tackling small challenges together, and as you gain confidence, I'll guide you to audit intentionally vulnerable applications on your own.

Asif

4.75

(12)

Learn the fastest and most practical way to build your own complete mobile application using modern Vibe Coding techniques. In this class, you will discover how to transform your ideas into fully functional Android and iOS apps without getting overwhelmed by complex programming concepts. From planning and designing your app to building features, integrating AI tools, and publishing your application, every step is explained in a simple and beginner-friendly way. Whether you are a student, entrepreneur, freelancer, or aspiring developer, this course will help you create real-world mobile apps faster, smarter, and with greater confidence.

Djouada

4.75

(12)

As an Information Systems Security Engineer (USTHB) with solid field experience and teaching experience (secondary, higher and vocational training), I offer personalized support in general IT, networks and cybersecurity.

My goal is to tailor each session to the student's actual needs, whether it's laying solid foundations, passing exams, or developing practical skills for the professional world.

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📚 PROGRAM & PROPOSED THEMES:

1. Introduction & Basics of Computer Science (Beginner):
• Introduction to computer tools and familiarization with the Windows/Linux environment
• Introduction to algorithmic concepts and programming logic

2. Networks & Information Systems (Intermediate & Advanced):
• Issues and architecture of information systems
• Network protocols, configuration and simulation (Cisco Packet Tracer, Wireshark)
• System administration and virtualization (Windows Server, Linux RedHat/CentOS, VMware, VirtualBox)

3. Computer Awareness & Security (Intermediate & Advanced):
• Fundamental principles of cybersecurity and best practices
• Discovery and securing of Active Directory directories
• Traffic analysis and perimeter security

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💡 METHODOLOGY:

• Concrete pedagogical approach combining theoretical courses and practical work (virtual labs).
• Course materials and summary sheets provided.
• Pace adapted to the learner's objectives (regular support, preparation for exams or specific projects).