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

Tanu

4.78

(9)

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.

Anas

4.78

(9)

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

Dr.

4.78

(9)

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

4.78

(9)

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

4.78

(9)

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

4.78

(9)

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

4.78

(9)

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

4.78

(9)

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

4.78

(9)

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

4.78

(9)

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.

Ali

4.78

(9)

Learn Arduino, robotics and electronics one to one with a qualified electronics engineer who teaches this at university level. Complete beginners through to degree students, online worldwide or in person in Birmingham, with a free 30 minute introduction before you book anything.

I'm Ghous. I hold an MSc in Electronics and Electrical Engineering with Distinction from the University of Chester, where I teach as a Visiting Lecturer on a Master's module, and I work as a freelance engineer designing circuit boards and writing embedded firmware for clients. I have taken a four layer ESP32 board from schematic to manufactured hardware, built the electrical power system for a CubeSat, and published two international conference papers on running neural networks on microcontrollers. When you ask why your sensor reads nothing or how to justify a design choice in a report, the answer comes from doing this work rather than from a tutorial.

Adults and hobbyists

If you own an Arduino kit and have stalled, or you can copy a project but cannot change it, this is the gap I close. We build what you actually want, home automation, data logging sensors, motorised builds, a device that talks to your phone, and underneath it you pick up the real skills: reading a datasheet, using a multimeter, wiring safely and debugging when nothing happens. No technical background required.

University and college students

Embedded systems, microcontrollers, robotics, control systems, circuit analysis and digital electronics. Arduino, ESP32, nRF52, PIC with MPLAB and STM32, plus Proteus, Multisim, Webots and PCB design in KiCAD. I also supervise final year and Master's projects from scoping through to the write up. I mark Level 7 work myself, so I know where reports lose marks. I teach students on UK, IB and continental European programmes and have worked with engineering students in Germany, so an unfamiliar syllabus is not a problem. Send me your course material and I will work from it.

School students, ages 9 to 18

Beginners who want to build something real, and students with coursework in Design and Technology, Computer Science or Engineering, whether on GCSE, A Level, IB or a national curriculum. Typical builds are a line following robot, an obstacle avoiding car, a live weather station or a motion triggered alarm. For lessons in Birmingham I bring all the equipment. Parents are welcome to sit in on the first session (UK DBS checked).

How lessons run

Tell me your level and what you want to build, or send your assignment brief, and I plan the session around it before we meet. I demonstrate first, then you take over while I guide, because nobody learns electronics by watching. Online students share a screen and I debug code and wiring photos live. Every session ends with something working and a clear next step, and you can message me between lessons.

Lessons run over Google Meet or Zoom, 60 or 90 minutes. I teach across GMT and Central European time with evening and weekend slots. Online students can start with any board they already own, or I will point you at one starter kit under 30 euros that covers the first several months.

Message me with your level and what you are trying to build and we will arrange the free 30 minutes.

Nuria

4.78

(9)

Are you studying SMR, ASIR/ASIX, DAM, DAW, Computer Engineering or other technology training and need help with systems, networks or infrastructure?

I'm Nuria, a computer science teacher with over 10 years of teaching experience and professional experience in systems administration. Classes are online, one-on-one, and fully tailored to your syllabus, level, and goals.

We can work on content such as:

* Linux and systems administration;
* Windows and Windows Server;
* users, groups, permissions, processes and services;
* TCP/IP networks, addressing and subnetting;
* DNS, DHCP, routing, NAT and network services;
* server administration and deployment;
* virtualization and virtual machines;
* Docker, containers, and Docker Compose;
* scripting and automation with Bash or PowerShell;
* storage, backups and recovery;
* log monitoring and analysis;
* cloud computing and infrastructure concepts;
* firewalls and network security;
* Linux and server hardening;
* cybersecurity and best practices;
* Diagnosis and resolution of incidents.

The classes are primarily practical. I don't want you to memorize a list of commands or steps: we'll work towards you understanding what's happening, knowing where to look when something goes wrong, and being able to gradually arrive at a solution on your own.

We can start from scratch, prepare a subject or exam, solve a specific practice, configure an environment or set up laboratories where you can practice the content you are studying.

In addition to the classes, you will have access to our educational platform with its own documentation, notes, exercises, examples, practices and other resources to continue working between sessions.

Leila

4.78

(9)

I offer personalized online Physics lessons designed to help students understand concepts clearly, improve their problem-solving skills, and gain confidence in Physics.

As an engineer and PhD student, I provide structured and engaging lessons adapted to each student’s level and learning needs. We can work on theory, exercises, homework, exam preparation, and challenging topics step by step.

My goal is not only to help you find the right answer, but to make sure you truly understand the reasoning behind it.

Whether you need help catching up, preparing for an exam, or simply improving your Physics skills, I would be happy to support you on your learning journey.

Javier

4.78

(9)

Hello,

After a 34-year career in systems engineering (including roles as AVP System Engineer & Product Owner at Moody's), I've learned one essential truth: technology is useless if it remains overly complex.

There is NO set curriculum or pre-defined syllabus: every session is 100% tailor-made. I adapt entirely to your request, your skill level, and your current objectives—whether that means gently discovering a new tool or solving a specific technical challenge.

My approach is built on clear, accessible guidance: no unnecessary jargon, no dull theory, and no prerequisites required. My goal is to make technology accessible, seamless, and immediately useful (if my experience helps you avoid a few costly surprises, then I’ve done my job).

Examples of what we can cover together:

Discover and Master AI (ChatGPT, Copilot, Claude, Gemini, Veo, etc.)

Learn how to write clear prompts to get accurate results (prompt engineering).

Use AI to draft content, summarize documents, analyze data, or organize your daily work.

Understand best practices to use these tools securely.

Simplify and Automate Your Daily Tasks

Connect your collaborative tools (emails, files, calendars, M365 services) to eliminate repetitive actions.

Migrate to new M365 services smoothly.

Set up simple virtual assistants to save you time.

Optimize Your Digital Tools & Cloud Environment

Take control of your IT workspace, organize collaborative environments, and secure your access.

How?
We start with YOUR topics: a practical problem to solve, a project to bring to life, or a tool you want to master. Everything is explained clearly and patiently so that you leave every session with practical, actionable solutions.

Whatever your starting point or project, the course adapts to you—never the other way around.

Laith

4.78

(9)

What if you could think like a hacker, so you can stop one? Let's learn cybersecurity the real way.

I'm a cybersecurity engineer with 3 years of experience and 150+ penetration tests and vulnerability assessments for government, financial, and telecom organizations. I hold CRTP, eWPT, and eJPT certifications, and I'll teach you what actually works in the field. No boring theory dumps, just live, hands-on learning.

You'll learn:

How attackers think: the hacking process from recon to exploitation
Common web attacks like SQL injection and XSS, and how to stop them
Passwords, phishing, and social engineering: why people are the weakest link
Vulnerability scanning and ethical hacking basics with Nmap, Burp Suite, and Nessus
How defenders work: firewalls, SIEM, EDR, and incident response
How to protect yourself, your team, and your business

Perfect for: beginners, career changers, students, developers, IT staff, and anyone curious about ethical hacking or preparing for Security+, CEH, or eJPT.

You'll walk away with a clear understanding of real threats, the skills to spot and fix common vulnerabilities, and a solid foundation for a cybersecurity career.

No experience needed, just curiosity and a computer. Book your first session and let's dive in!