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My name is Luiz Otávio Miranda, and I've been working with programming since 2009.
After many years developing software and providing client support, I now dedicate 100% of my time to teaching Python, JavaScript, TypeScript, and practical applications of Artificial Intelligence to people who truly want to learn.
Always with a clear, direct, and no-nonsense approach.

If you want to truly learn how to code, understand what’s behind modern tools, write clean code with solid design patterns, and build useful things (not just tutorials about "click this button"), you’re in the right place.

+1000 hours of content in full courses
+300k happy students
Since 2009 working in programming and network infrastructure with Linux and servers.

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Tags

Programação
Python
Aprenda a Programar
Aprenda Python
LLM
LangChain
LangGraph
nvim
neovim
Luiz Otávio Miranda
Otávio Miranda
Programação em Python
Desenvolvedor
Dev
Software
Data Science
Threads
Concorrência em Python
Loggin em Python
MySQL
Docker
HTML
CSS
Aprender Python
JavaScript
TypeScript
I.A.
ReAct Agent
Agentic
threading
Concurrency Programming
Inteligência Artificial
Aprender
Nerd
Educação
Ser desenvolvedor

Stats

Joined July 13, 2009
14,142,944 total views
Brazil

Videos

You KNOW NOTHING about the terminal
49:28
You KNOW NOTHING about the terminal

40,000 views

1mo ago

Hype or is there something useful in Hermes Agent?
41:00
Hype or is there something useful in Hermes Agent?

19,000 views

2mo ago

sbx: docker agora tem micro vm - entenda como funciona!
43:19
sbx: docker agora tem micro vm - entenda como funciona!

4,100 views

3mo ago

SSH ProxyJump and Bastion Host: Understand Them!
23:14
SSH ProxyJump and Bastion Host: Understand Them!

2,400 views

3mo ago

SSH keys: now you'll really understand!
25:52
SSH keys: now you'll really understand!

12,000 views

4mo ago

Stop exposing your OS to AI. Docker-ready solution!
29:47
Stop exposing your OS to AI. Docker-ready solution!

5,400 views

4mo ago

Codex Mobile and SSH: remote work
7:02
Codex Mobile and SSH: remote work

4,900 views

4mo ago

Claude Code + TMUX vira Claude Server
19:57
Claude Code + TMUX vira Claude Server

3,900 views

4mo ago

Goodbye GitHub, Hello Git Bare
19:14
Goodbye GitHub, Hello Git Bare

11,000 views

5mo ago

Paperclip for orchestrating AI Agents
55:50
Paperclip for orchestrating AI Agents

11,000 views

5mo ago

I replicated a real attack on GitHub Actions (and it works)
34:26
I replicated a real attack on GitHub Actions (and it works)

5,600 views

6mo ago

SSH Tunnels Everywhere
16:16
SSH Tunnels Everywhere

23,000 views

6mo ago

DevOps, Ferramentas e Ambientes Dev

Otávio Miranda
You KNOW NOTHING about the terminal
49:28
You KNOW NOTHING about the terminal

40,000 views

1mo ago

Otávio Miranda
Hype or is there something useful in Hermes Agent?
41:00
Hype or is there something useful in Hermes Agent?

19,000 views

2mo ago

Otávio Miranda
sbx: docker agora tem micro vm - entenda como funciona!
43:19
sbx: docker agora tem micro vm - entenda como funciona!

4,100 views

3mo ago

Otávio Miranda
SSH ProxyJump and Bastion Host: Understand Them!
23:14
SSH ProxyJump and Bastion Host: Understand Them!

2,400 views

3mo ago

Otávio Miranda
SSH keys: now you'll really understand!
25:52
SSH keys: now you'll really understand!

12,000 views

4mo ago

Otávio Miranda
Stop exposing your OS to AI. Docker-ready solution!
29:47
Stop exposing your OS to AI. Docker-ready solution!

5,400 views

4mo ago

Otávio Miranda
Claude Code + TMUX vira Claude Server
19:57
Claude Code + TMUX vira Claude Server

3,900 views

4mo ago

Otávio Miranda
Goodbye GitHub, Hello Git Bare
19:14
Goodbye GitHub, Hello Git Bare

11,000 views

5mo ago

Otávio Miranda
I replicated a real attack on GitHub Actions (and it works)
34:26
I replicated a real attack on GitHub Actions (and it works)

5,600 views

6mo ago

Otávio Miranda
SSH Tunnels Everywhere
16:16
SSH Tunnels Everywhere

23,000 views

6mo ago

Otávio Miranda
Build Your Own WireGuard VPN + Free Config Generator
26:48
Build Your Own WireGuard VPN + Free Config Generator

10,000 views

6mo ago

Otávio Miranda
Loki, Grafana, Time and Mimir (LGTM)
20:44
Loki, Grafana, Time and Mimir (LGTM)

9,000 views

6mo ago

LangChain e LangGraph com Python: O Guia Definitivo (Playlist com curso completo)

Otávio Miranda
LangChain and LangGraph: The Ultimate Guide to AI with Python (Lesson 1)
45:32
LangChain and LangGraph: The Ultimate Guide to AI with Python (Lesson 1)

31,000 views

1y ago

Otávio Miranda
LangGraph: Understand Graphs, Nodes, Edges, and State with Python (Lesson 2)
52:46
LangGraph: Understand Graphs, Nodes, Edges, and State with Python (Lesson 2)

11,000 views

1y ago

Otávio Miranda
LangGraph and LangChain: Your First Memory-Based Chatbot in Python (Lesson 3)
40:43
LangGraph and LangChain: Your First Memory-Based Chatbot in Python (Lesson 3)

6,800 views

11mo ago

Otávio Miranda
LangChain Tools - The Beginning of ReAct Agents for Agentic Workflow
35:49
LangChain Tools - The Beginning of ReAct Agents for Agentic Workflow

4,100 views

11mo ago

Otávio Miranda
Your First ReAct Agent Com Tools
30:11
Your First ReAct Agent Com Tools

4,800 views

11mo ago

Otávio Miranda
Debugging agents has never been easier | LangGraph Studio
11:39
Debugging agents has never been easier | LangGraph Studio

4,600 views

11mo ago

Otávio Miranda
RunnableConfig in LangGraph / LangChain
1:03:53
RunnableConfig in LangGraph / LangChain

2,300 views

10mo ago

Otávio Miranda
ToolNode e tools_condition
13:42
ToolNode e tools_condition

1,100 views

10mo ago

Otávio Miranda
Runtime vs RunnableConfig vs Context | Qual Usar?
24:29
Runtime vs RunnableConfig vs Context | Qual Usar?

1,200 views

10mo ago

Otávio Miranda
LangGraph: Lifespan com Async Context Managers (Aula 10)
17:01
LangGraph: Lifespan com Async Context Managers (Aula 10)

1,600 views

9mo ago

Otávio Miranda
Checkpointers in LangGraph | The Complete Theory
11:06
Checkpointers in LangGraph | The Complete Theory

1,300 views

9mo ago

Otávio Miranda
LangGraph: Checkpointer Config For AsyncPostgresSaver (Lesson 12)
25:21
LangGraph: Checkpointer Config For AsyncPostgresSaver (Lesson 12)

1,900 views

9mo ago

Programação concorrente em Python

Otávio Miranda
Concurrency in Python: The Theory of Everything (Processes, Threads, and Asyncio)
1:25:12
Concurrency in Python: The Theory of Everything (Processes, Threads, and Asyncio)

8,000 views

11mo ago

Otávio Miranda
Python Threads: From Zero to Practice
45:21
Python Threads: From Zero to Practice

2,600 views

11mo ago

Otávio Miranda
Threading | How to Really Extend with Inheritance
36:02
Threading | How to Really Extend with Inheritance

848 views

11mo ago

Otávio Miranda
Thread's run method in Python
47:21
Thread's run method in Python

528 views

10mo ago

Otávio Miranda
threading.Event: The elegant way to control execution
22:33
threading.Event: The elegant way to control execution

816 views

10mo ago

Otávio Miranda
time.monotonic in Python | Why a second is not a second
31:32
time.monotonic in Python | Why a second is not a second

512 views

10mo ago

Otávio Miranda
Python Threading | Timer with paused, running, and stopped states
45:23
Python Threading | Timer with paused, running, and stopped states

381 views

10mo ago

Otávio Miranda
Mastering Threads: From Theory to a Functional Application
46:31
Mastering Threads: From Theory to a Functional Application

588 views

10mo ago

Curso de Type Hints no Python do Básico Ao Avançado (Type Annotations)

Otávio Miranda
Type Hints in Python: Learn the RIGHT Way (Lesson 1)
43:35
Type Hints in Python: Learn the RIGHT Way (Lesson 1)

8,200 views

1y ago

Otávio Miranda
Callable - Function Type Hints THE RIGHT WAY (Lesson 2)
42:09
Callable - Function Type Hints THE RIGHT WAY (Lesson 2)

2,100 views

1y ago

Otávio Miranda
Type Hints em Classes no Python: Aprenda de Verdade (Aula 3)
32:16
Type Hints em Classes no Python: Aprenda de Verdade (Aula 3)

1,300 views

1y ago

Otávio Miranda
Abstraction and subtyping with Type Hints in Python (Lesson 4)
57:03
Abstraction and subtyping with Type Hints in Python (Lesson 4)

1,200 views

1y ago

Otávio Miranda
Covariance and Contravariance in Python. No One Will EVER Teach You This (Lesson 5)
49:41
Covariance and Contravariance in Python. No One Will EVER Teach You This (Lesson 5)

977 views

1y ago

Otávio Miranda
Understanding ABC Collections Sequences in Python - Learn in detail (Lesson 6)
48:18
Understanding ABC Collections Sequences in Python - Learn in detail (Lesson 6)

878 views

1y ago

Otávio Miranda
Liskov Substitution Principle (LSP), LEARN IT ONCE AND FOR ALL - Lesson 7
44:31
Liskov Substitution Principle (LSP), LEARN IT ONCE AND FOR ALL - Lesson 7

864 views

1y ago

Otávio Miranda
TypeVar and Generic Functions: Python Devs NEED to Know This (Lesson 8)
39:19
TypeVar and Generic Functions: Python Devs NEED to Know This (Lesson 8)

900 views

1y ago

Otávio Miranda
Type Hints with Generic Classes: Python at the Senior Level (Lesson 9)
32:03
Type Hints with Generic Classes: Python at the Senior Level (Lesson 9)

707 views

1y ago

Otávio Miranda
Protocol vs Abstract Base Class (ABC) em Python + SOLID Principles (Aula 10)
32:24
Protocol vs Abstract Base Class (ABC) em Python + SOLID Principles (Aula 10)

1,200 views

1y ago

Otávio Miranda
Learn Composition and SOLID Principles with Python Protocol
27:44
Learn Composition and SOLID Principles with Python Protocol

863 views

1y ago

Otávio Miranda
Protocol vs. Abstract Base Class (ABC) - Understand and Learn (Lesson 12)
15:21
Protocol vs. Abstract Base Class (ABC) - Understand and Learn (Lesson 12)

805 views

1y ago

Padrões de Projeto - Design Patterns (GoF)

Otávio Miranda
Design Patterns (GoF) - Introduction - Part 1/45
12:25
Design Patterns (GoF) - Introduction - Part 1/45

100,000 views

6y ago

Otávio Miranda
Design Patterns - Basic UML - Part 2/45
11:09
Design Patterns - Basic UML - Part 2/45

29,000 views

6y ago

Otávio Miranda
Design Patterns - Setting Up a TypeScript Project - Part 3/45
22:51
Design Patterns - Setting Up a TypeScript Project - Part 3/45

24,000 views

6y ago

Otávio Miranda
Singleton Teoria - Padrões de Projeto - Parte 4/45
15:53
Singleton Teoria - Padrões de Projeto - Parte 4/45

30,000 views

6y ago

Otávio Miranda
Singleton Practice - Design Patterns - Part 5/45
28:29
Singleton Practice - Design Patterns - Part 5/45

17,000 views

6y ago

Otávio Miranda
Builder Theory - Design Patterns - Part 6/45
18:00
Builder Theory - Design Patterns - Part 6/45

22,000 views

6y ago

Otávio Miranda
Builder Pattern in Practice - Design Patterns - Part 7/45
37:38
Builder Pattern in Practice - Design Patterns - Part 7/45

14,000 views

6y ago

Otávio Miranda
Prototype Theory - Design Patterns - Part 8/45
19:18
Prototype Theory - Design Patterns - Part 8/45

13,000 views

6y ago

Otávio Miranda
Prototype Prática - Padrões de Projeto - Parte 9/45
27:43
Prototype Prática - Padrões de Projeto - Parte 9/45

6,900 views

6y ago

Otávio Miranda
Factory Method Teoria - Padrões de Projeto - Parte 10/45
19:41
Factory Method Teoria - Padrões de Projeto - Parte 10/45

30,000 views

6y ago

Otávio Miranda
Factory Method Prática - Padrões de Projeto - Parte 11/45
29:58
Factory Method Prática - Padrões de Projeto - Parte 11/45

15,000 views

6y ago

Otávio Miranda
Abstract Factory Theory - Design Patterns - Part 12/45
18:39
Abstract Factory Theory - Design Patterns - Part 12/45

17,000 views

6y ago

Curso de HTML e CSS Gratuito

Otávio Miranda
HTML and CSS Course - Basic HTML Structure - Lesson 1
24:58
HTML and CSS Course - Basic HTML Structure - Lesson 1

159,000 views

4y ago

Otávio Miranda
HTML Structure and Meta Viewport - HTML and CSS Course - Lesson 2
11:37
HTML Structure and Meta Viewport - HTML and CSS Course - Lesson 2

40,000 views

4y ago

Otávio Miranda
Style and ID and class attributes - HTML and CSS Course - Lesson 3
17:15
Style and ID and class attributes - HTML and CSS Course - Lesson 3

40,000 views

4y ago

Otávio Miranda
H1 to H6 Headings - HTML and CSS Course - Lesson 4
13:16
H1 to H6 Headings - HTML and CSS Course - Lesson 4

24,000 views

4y ago

Otávio Miranda
Important tags and semantics in texts - HTML and CSS Course - Lesson 5
33:54
Important tags and semantics in texts - HTML and CSS Course - Lesson 5

32,000 views

4y ago

Otávio Miranda
Discover All HTML Tags - HTML and CSS Course - Lesson 6
7:06
Discover All HTML Tags - HTML and CSS Course - Lesson 6

21,000 views

4y ago

Otávio Miranda
Semântica em elementos HTML5 - Curso de HTML e CSS - Aula 7
24:21
Semântica em elementos HTML5 - Curso de HTML e CSS - Aula 7

21,000 views

4y ago

Otávio Miranda
Learn to think in HTML - HTML and CSS Course - Lesson 8
34:14
Learn to think in HTML - HTML and CSS Course - Lesson 8

19,000 views

4y ago

Otávio Miranda
Understand the Box Model - HTML and CSS Course - Lesson 9
31:43
Understand the Box Model - HTML and CSS Course - Lesson 9

18,000 views

4y ago

Otávio Miranda
Ordered Lists, Unordered Lists, and Menus - HTML and CSS Course - Lesson 10
26:00
Ordered Lists, Unordered Lists, and Menus - HTML and CSS Course - Lesson 10

12,000 views

4y ago

Otávio Miranda
Tables + Rows and Columns - HTML and CSS Course - Lesson 11
21:47
Tables + Rows and Columns - HTML and CSS Course - Lesson 11

21,000 views

4y ago

Otávio Miranda
Forms and Inputs - HTML and CSS Course - Lesson 12
57:16
Forms and Inputs - HTML and CSS Course - Lesson 12

13,000 views

4y ago

Curso de SQL com MySQL (Completo)

Otávio Miranda
SQL Course with MySQL - Entity Relationship Diagram (ERD) - Lesson 1
20:08
SQL Course with MySQL - Entity Relationship Diagram (ERD) - Lesson 1

223,000 views

5y ago

Otávio Miranda
One-to-One, One-to-Many, and Many-to-Many Relationships - SQL Course with MySQL - Lesson 2
23:41
One-to-One, One-to-Many, and Many-to-Many Relationships - SQL Course with MySQL - Lesson 2

80,000 views

5y ago

Otávio Miranda
Preparando o ambiente dev - Curso de SQL com MySQL - Aula 3
23:18
Preparando o ambiente dev - Curso de SQL com MySQL - Aula 3

65,000 views

5y ago

Otávio Miranda
Criando tabelas e colunas - Curso de SQL com MySQL - Aula 4
47:09
Criando tabelas e colunas - Curso de SQL com MySQL - Aula 4

45,000 views

5y ago

Otávio Miranda
Insert, Use, Show, Describe - Curso de SQL com MySQL - Aula 5
24:28
Insert, Use, Show, Describe - Curso de SQL com MySQL - Aula 5

18,000 views

5y ago

Otávio Miranda
SELECT e alias de colunas - Curso de SQL com MySQL - Aula 6
8:14
SELECT e alias de colunas - Curso de SQL com MySQL - Aula 6

14,000 views

5y ago

Otávio Miranda
WHERE clause to filter values ​​- SQL with MySQL course - Lesson 7
9:24
WHERE clause to filter values ​​- SQL with MySQL course - Lesson 7

11,000 views

5y ago

Otávio Miranda
BETWEEN, IN, and LIKE with SELECT and WHERE - SQL Course with MySQL - Lesson 8
20:24
BETWEEN, IN, and LIKE with SELECT and WHERE - SQL Course with MySQL - Lesson 8

13,000 views

5y ago

Otávio Miranda
ORDER BY - SQL Course with MySQL - Lesson 9
4:45
ORDER BY - SQL Course with MySQL - Lesson 9

8,400 views

5y ago

Otávio Miranda
LIMIT and OFFSET - SQL with MySQL Course - Lesson 10
6:02
LIMIT and OFFSET - SQL with MySQL Course - Lesson 10

9,300 views

5y ago

Otávio Miranda
INSERT with SELECT - SQL with MySQL Course - Lesson 11
9:33
INSERT with SELECT - SQL with MySQL Course - Lesson 11

11,000 views

5y ago

Otávio Miranda
DELETE - SQL Course with MySQL - Lesson 12
6:14
DELETE - SQL Course with MySQL - Lesson 12

6,300 views

5y ago

Shorts

When I code with AI
When I code with AI

1,100 views

Shell Script Redirection for Linux / Unix
Shell Script Redirection for Linux / Unix

1,700 views

The Claude plan remains the same (for now) #claude #ai #update
The Claude plan remains the same (for now) #claude #ai #update

942 views

My server SPEAKS: Clawdbot with Kokoro (moltbot)
My server SPEAKS: Clawdbot with Kokoro (moltbot)

4,000 views

VPN privado por SSH? #vps #vpn #ssh
VPN privado por SSH? #vps #vpn #ssh

7,400 views

Docker Compose Override - compose.override.yaml
Docker Compose Override - compose.override.yaml

2,400 views

8GB MACBOOK AIR CAN'T HANDLE IT? SEE MY 3-MACHINE HACK #ollama #ai
8GB MACBOOK AIR CAN'T HANDLE IT? SEE MY 3-MACHINE HACK #ollama #ai

2,300 views

Asahi Linux saved my Macbook M1 🥳
Asahi Linux saved my Macbook M1 🥳

2,300 views

Copy the folder structure (without files) in 1 second in the terminal.
Copy the folder structure (without files) in 1 second in the terminal.

4,300 views

I configured Docker so it wouldn't crash even with a DDoS attack (almost) #security #docker
I configured Docker so it wouldn't crash even with a DDoS attack (almost) #security #docker

4,800 views

NANO instead of VIM? Does this happen to you too? #vim #developer
NANO instead of VIM? Does this happen to you too? #vim #developer

5,200 views

TO DRIVE YOU CRAZY - Return Codes Will Make Your Brain Explode #bash
TO DRIVE YOU CRAZY - Return Codes Will Make Your Brain Explode #bash

3,200 views

Simple Load Balancing with Nginx and Docker #docker #nginx #tutorial
Simple Load Balancing with Nginx and Docker #docker #nginx #tutorial

1,900 views

Junior Programmers and Artificial Intelligence (My Opinion)
Junior Programmers and Artificial Intelligence (My Opinion)

5,200 views

Do not use NeoVim, Vim, Vi, or Vim Motions in general.
Do not use NeoVim, Vim, Vi, or Vim Motions in general.

6,500 views

MAGIC NO SHELL COM CAT, HEREDOCS E TEE (BASH)
MAGIC NO SHELL COM CAT, HEREDOCS E TEE (BASH)

4,100 views

TOKYONIGHT HAD A PROBLEM - NOW FIXED #nvim #tutorial
TOKYONIGHT HAD A PROBLEM - NOW FIXED #nvim #tutorial

2,400 views

That's why I use TMUX every single day!
That's why I use TMUX every single day!

5,000 views

Neovim: How to Replace Text in All Buffers
Neovim: How to Replace Text in All Buffers

3,700 views

loudterm - TTS terminal written in Python that already speaks 8 languages ​​(complete tutorial al...
loudterm - TTS terminal written in Python that already speaks 8 languages ​​(complete tutorial al...

4,600 views