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

Jose

5.0

(1)

Eager to learn Linux and infrastructure? Then do no hesitate in contacting me. We can start from the foundations of all these extremely important disciplines, if you consider you have knowledge on system administration is not a problem, we can study Security in Linux and Networks, virtualization and containers.

5.0

(1)

The digital landscape is evolving at an unprecedented rate, and cyber threats lurk around every corner. Cybersecurity resilience in the modern world cannot be just an add-on - it's a necessity. Offensive security professionals like ethical hackers and penetration testers can help proactively discover unknown threats and address them before the cybercriminals do.

This Cisco Certified Ethical Hacker course is designed to equip you with an Ethical Hacker skillset and provide a solid understanding of offensive security. You will become proficient in the art of scoping, executing, and reporting on vulnerability assessments, while recommending mitigation strategies. Follow an engaging gamified narrative throughout the course and get lots of practice with hands-on labs inspired by real-world scenarios.

After completing this course, continue your cybersecurity career in offensive security as an ethical hacker or penetration tester. Or use this course to strengthen your defensive security knowledge. By understanding the mindset of threat actors, you will be able to more effectively implement security controls and monitor, analyse, and respond to current security threats.

**** Module Covered ****
+ Module 1: Introduction to Ethical Hacking and Penetration Testing
+ Module 2: Planning and Scoping a Penetration Testing Assessment
+ Module 3: Information Gathering and Vulnerability Scanning
+ Module 4: Social Engineering Attacks
+ Module 5: Exploiting Wired and Wireless Networks
+ Module 6: Exploiting Application-Based Vulnerabilities
+ Module 7: Cloud, Mobile, and IoT Security
+ Module 8: Performing Post-Exploitation Techniques
+ Module 9: Reporting and Communication
+ Module 10: Tools and Code Analysis
+ Final Capstone Activity

** Module Exams: 10 Module Exams
** Final Course Exam: 01 Final Course Exam
** Approximately 70 hours of training.

Anas

5.0

(1)

Accounting on SAP:
- General accounting (G/L accounting)
- Supplier Accounting (Accounts Payable)
- Customer accounting (Accounts Receivable)
- Automatic Payment Program
- Bank accounting (Banking)
- Cost center accounting

Yurii

5.0

(1)

I am online-tutor and freelance-programmer from Ukraine. I am a Python developer for over 5 years.

Python Programming Courses for Beginners & Kids!
Learn Python in a Fun & Interactive Way!
Whether you're a child, student, or future data scientist, we have the perfect Python course for you!

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1. Python for Kids & Beginners (Turtle & PyGame)
Ages 8+ | No prior experience needed!
Duration: 60-90 minutes

What You’ll Learn:
✔ Presentation of Python: Why this language?
✔ Installation and configuration of a programming environment (IDLE, Visual Studio Code, PyCharm, Anaconda Navigator, Jupyter Lab, Jupyter Notebook).
✔ Basics of Python with fun visuals using Turtle Graphics
✔ Create simple games & animations with Pygame
✔ Understand loops, conditions, and functions in a playful way
✔ Build a mini-game (e.g., Snake, Pong, or Drawing App)

Course Outline:
- First Steps: "Hello, World!" & Turtle drawing
- Game Logic: Moving objects, collisions, and scoring
- Final Project: Build your own mini-game!

Bonus: Parents can join too!

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2. Python for Students (Pandas, NumPy, Matplotlib)
Perfect for high school & college students
Duration:** 90-120 minutes

What You’ll Learn:
✔ Installation and configuration of a programming environment (IDLE, Visual Studio Code, PyCharm, Anaconda Navigator, Jupyter Lab, Jupyter Notebook).
✔ Data Manipulation with Pandas (Excel-like tables in Python)
✔ Numerical Computing with NumPy (Fast math operations)
✔ Data Visualization with Matplotlib (Graphs & Charts)
✔ Solve real-world problems (e.g., analyzing grades, sports stats, or trends)

Course Outline:
- Working with Data: Loading, cleaning, and filtering datasets
- Math & Stats: Mean, median, and trends
- Visualization: Bar charts, line graphs, and histograms
- Mini-Project: Analyze a dataset (e.g., weather, stocks, or sports)

Great for school projects & future STEM careers!

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3. Python for Data Science & Machine Learning (PyTorch)
For aspiring AI engineers & data scientists
Duration: 120-180 minutes

What You’ll Learn:
Installation and configuration of a programming environment (IDLE, Visual Studio Code, PyCharm, Anaconda Navigator, Jupyter Lab, Jupyter Notebook).
Fundamentals of Machine Learning (ML)
Neural Networks with PyTorch (Used by Nvidia GPU Tesla, OpenAI, and more!)
Train models to predict trends, classify images, or analyze text
Work with real datasets (e.g., housing prices, handwritten digits)

Course Outline:
- Intro to AI & ML: How computers "learn"
- Data Preprocessing: Getting data ready for training
- Building Models: Linear regression, classification
- Final Project: Train a model to recognize handwritten digits

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Customizable Options:
- Private 1-on-1 Coaching
- Group Workshops (Schools/Clubs)
- Corporate Training (Data Science & AI)

Perfect for schools, coding clubs, and future tech leaders!

Dr.

5.0

(1)

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

5.0

(1)

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

Karim

5.0

(1)

Do you want to level up in programming, networking, ethical hacking, or IT governance?

I’m here to guide you especially if you’re just starting out and need a clear roadmap to grow and find your place in the IT field. I’ve built a practical learning path for you, with free access to my own platform, where you’ll find well-structured resources to support you at every step.

What’s included:

- Hands-on slides, explained together
- Quizzes to test your knowledge
- Technical projects with my personal guidance

And everything you need to prepare for recognized certifications in the field.

Patrick

5.0

(1)

I offer professional support in sampling, surveying, data collection, and quantitative data management. This service is designed for organizations, researchers, students, NGOs, and businesses seeking to design reliable surveys and effectively utilize their data. My services include defining appropriate methodologies, designing data collection tools, fieldwork supervision, quality control, and database organization and structuring. Support is also available for analyzing and interpreting results. My services are flexible and tailored to specific needs.

Dr.Ibrahim

5.0

(1)

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

5.0

(1)

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.

Gergely

5.0

(1)

You found an old file—something important, maybe even sentimental—but your computer just won’t open it. Or maybe you’re dealing with a custom software system that uses a weird, proprietary format. What now?

I specialize in rescuing, translating, and reverse-engineering data formats that most people don’t even recognize. Whether it’s a corrupted calendar file from a PDA or a bizarre export from a dead program, I approach it like a digital archaeologist.

It’s not magic—it’s patience, logic, and deep technical skill. If something should work but doesn’t, let me figure out why.

Jean

5.0

(1)

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.

Sami

5.0

(1)

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

5.0

(1)

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

5.0

(1)

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.