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Labby

Develop skills in Linux, DevOps, Cybersecurity, Programming, Data Science, and more through interactive labs and real-world projects.

Location Hong Kong Joined Joined on  Personal website https://labex.io/ twitter website
Cybersecurity Linux Labs: Delete and Move Files, Find the Flags, and Backup Logs
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Labby for LabEx

Cybersecurity Linux Labs: Delete and Move Files, Find the Flags, and Backup Logs

#cybersecurity #linux #hacking #tutorial
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2 min read

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Boost App Speed: Master Redis Data Structures, Pub/Sub, and Performance Monitoring
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Labby for LabEx

Boost App Speed: Master Redis Data Structures, Pub/Sub, and Performance Monitoring

#redis #nosql #backend #performance
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3 min read
Modern Web Layouts: Mastering CSS Margin, Box Shadows, and Advanced Positioning in HTML
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Labby for LabEx

Modern Web Layouts: Mastering CSS Margin, Box Shadows, and Advanced Positioning in HTML

#html #css #frontend #webdev
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2 min read
Mastering KNN Regression and Minkowski Distance with NumPy Math Games
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Labby for LabEx

Mastering KNN Regression and Minkowski Distance with NumPy Math Games

#numpy #python #machinelearning #math
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2 min read
Mastering Database Efficiency: SQLite Table Joining, Window Analytics, and Transaction Handling
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Labby for LabEx

Mastering Database Efficiency: SQLite Table Joining, Window Analytics, and Transaction Handling

#sqlite #database #sql #analytics
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2 min read
Wireshark Deep Dive: Exporting Packets, Capturing Google Traffic, and Custom Colorizing Rules
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Labby for LabEx

Wireshark Deep Dive: Exporting Packets, Capturing Google Traffic, and Custom Colorizing Rules

#wireshark #networking #security #packets
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2 min read
Java Character Mastery: Using Digit Methods and Counting Unicode Code Points
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Labby for LabEx

Java Character Mastery: Using Digit Methods and Counting Unicode Code Points

#java #unicode #backend #programming
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2 min read
Explore and Debug Kubernetes Applications: A Hands-On Guide to Cluster Deployment and Rollbacks
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Labby for LabEx

Explore and Debug Kubernetes Applications: A Hands-On Guide to Cluster Deployment and Rollbacks

#kubernetes #devops #cloudnative #containers
1
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2 min read
Cybersecurity Lab: SMB Guest Access, Hashcat Benchmarking, and Rsync Exploitation
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Labby for LabEx

Cybersecurity Lab: SMB Guest Access, Hashcat Benchmarking, and Rsync Exploitation

#cybersecurity #hacking #pentesting #security
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2 min read
Crack Telnet, FTP, and SSH Passwords: 3 Practical Hydra Labs for Pentesters
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Labby for LabEx

Crack Telnet, FTP, and SSH Passwords: 3 Practical Hydra Labs for Pentesters

#hydra #pentesting #cybersecurity #hacking
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2 min read
Mastering Linux I/O Redirection and Variable Management for DevOps Workflows
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Labby for LabEx

Mastering Linux I/O Redirection and Variable Management for DevOps Workflows

#linux #devops #shell #automation
1
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2 min read
Build 4 React Apps: Responsive Business Card to Christmas Wish List
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Labby for LabEx

Build 4 React Apps: Responsive Business Card to Christmas Wish List

#react #frontend #javascript #webdev
1
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2 min read
Mastering MongoDB: Export, Filter, and CRUD Operations with Hands-on Queries
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Labby for LabEx

Mastering MongoDB: Export, Filter, and CRUD Operations with Hands-on Queries

#mongodb #nosql #database #backend
3
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2 min read
Mastering DOM and Events: 4 Hands-on JavaScript Labs for Interactive Web Apps
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Labby for LabEx

Mastering DOM and Events: 4 Hands-on JavaScript Labs for Interactive Web Apps

#javascript #frontend #dom #webdev
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2 min read
Python Logic Labs: Calculate Factorials, Square Values, and String Digits
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Python Logic Labs: Calculate Factorials, Square Values, and String Digits

#python #coding #logic #strings
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2 min read
Master Git Workflow: From Project Initialization to Advanced Reflog Recovery
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Master Git Workflow: From Project Initialization to Advanced Reflog Recovery

#git #devops #programming #workflow
1
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2 min read
Automating Linux Tasks with Ansible Apt, File, and Script Modules
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Labby for LabEx

Automating Linux Tasks with Ansible Apt, File, and Script Modules

#ansible #devops #automation #linux
1
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3 min read
Secure RHEL with Firewall-CMD, SSH Key-Based Auth, and Autofs Automation
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Labby for LabEx

Secure RHEL with Firewall-CMD, SSH Key-Based Auth, and Autofs Automation

#rhel #linux #security #automation
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2 min read
Build Web Foundations: From First HTML Page to Advanced Video Embedding in WebIDE
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Labby for LabEx

Build Web Foundations: From First HTML Page to Advanced Video Embedding in WebIDE

#html #webdev #frontend #coding
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2 min read
Master Data Science: Create Python Iterators and Simplify Date Handling with Hands-on Labs
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Labby for LabEx

Master Data Science: Create Python Iterators and Simplify Date Handling with Hands-on Labs

#python #datascience #programming #coding
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2 min read
Mastering Scikit-Learn: From Linear Regression to Nonlinear Data Regression Techniques
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Mastering Scikit-Learn: From Linear Regression to Nonlinear Data Regression Techniques

#scikitlearn #python #machinelearning #datascience
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3 min read
DevOps Engineer Guide: Mastering Linux User Management and Steghide Security
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DevOps Engineer Guide: Mastering Linux User Management and Steghide Security

#devops #linux #security #sysadmin
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3 min read
Automate Remote Tasks with Ansible Script Fetch and Cron Modules
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Labby for LabEx

Automate Remote Tasks with Ansible Script Fetch and Cron Modules

#ansible #automation #devops #sysadmin
1
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2 min read
Java LocalDate Guide: Using getDayOfWeek, getDayOfMonth, and From Methods
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Labby for LabEx

Java LocalDate Guide: Using getDayOfWeek, getDayOfMonth, and From Methods

#java #backend #programming #tutorial
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2 min read
Fix Git Mistakes: Hands-on Labs for Git Switch, File Recovery, and Commit Removal
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Labby for LabEx

Fix Git Mistakes: Hands-on Labs for Git Switch, File Recovery, and Commit Removal

#git #devops #programming #workflow
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3 min read
Build Interactive Visuals: Matplotlib Basic Line Plots and Scatter Plots Guide
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Build Interactive Visuals: Matplotlib Basic Line Plots and Scatter Plots Guide

#matplotlib #python #dataviz #datascience
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2 min read
Perform Penetration Testing with Nmap in Kali Linux: A Hands-On Scanning Guide
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Perform Penetration Testing with Nmap in Kali Linux: A Hands-On Scanning Guide

#nmap #cybersecurity #networking #pentesting
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2 min read
Mastering Basic Data Operations in PostgreSQL: A Hands-on CRUD Guide
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Mastering Basic Data Operations in PostgreSQL: A Hands-on CRUD Guide

#postgres #sql #database #crud
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1 min read
DevOps Automation Guide: Setup Ansible and Build Custom Docker Images with Network Playground
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Labby for LabEx

DevOps Automation Guide: Setup Ansible and Build Custom Docker Images with Network Playground

#devops #docker #ansible #automation
1
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3 min read
Advanced Python Workflows: Mastering Iterators, Math Functions, and JSON Data Handling
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Labby for LabEx

Advanced Python Workflows: Mastering Iterators, Math Functions, and JSON Data Handling

#python #programming #backend #data
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2 min read
CompTIA Security Labs: Mastering UFW Firewall, sed Stream Editing, and Port Auditing
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CompTIA Security Labs: Mastering UFW Firewall, sed Stream Editing, and Port Auditing

#comptia #linux #security #sysadmin
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2 min read
Java Character Validation: Using getNumericValue and isISOControl for Unicode Data Parsing
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Java Character Validation: Using getNumericValue and isISOControl for Unicode Data Parsing

#java #unicode #backend #parsing
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3 min read
Master C++ Logic: From Maximum Value Logic to Linked List Serial Numbers
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Master C++ Logic: From Maximum Value Logic to Linked List Serial Numbers

#cpp #programming #algorithms #coding
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2 min read
Java Logic Mastery: Leap Year, Voting Eligibility, and OOP Instance Validation
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Labby for LabEx

Java Logic Mastery: Leap Year, Voting Eligibility, and OOP Instance Validation

#java #programming #logic #oop
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2 min read
Write Basic MongoDB Queries: Your First MongoDB Lab for Data Sorting and Limiting
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Labby for LabEx

Write Basic MongoDB Queries: Your First MongoDB Lab for Data Sorting and Limiting

#mongodb #nosql #database #backend
1
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2 min read
Secure Your Infrastructure: Disk Analysis, fstab Mounts, and Connectivity Testing in Linux
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Labby for LabEx

Secure Your Infrastructure: Disk Analysis, fstab Mounts, and Connectivity Testing in Linux

#cybersecurity #linux #sysadmin #networking
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2 min read
Mastering Scikit-Learn: From Linear Regression to SVM Iris Classification and Validation Curves
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Labby for LabEx

Mastering Scikit-Learn: From Linear Regression to SVM Iris Classification and Validation Curves

#scikitlearn #python #machinelearning #datascience
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2 min read
Master Docker Lifecycle and Network with Compose: 5 Hands-on Data Management Labs
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Master Docker Lifecycle and Network with Compose: 5 Hands-on Data Management Labs

#docker #devops #containers #cloud
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2 min read
Python Practice: Count Digits, Inner Functions, and Character Frequency Labs
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Python Practice: Count Digits, Inner Functions, and Character Frequency Labs

#python #coding #programming #tutorial
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2 min read
Operation Quantum Leap: Mastering Git History and Log Management for the Time-Traveling Developer
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Operation Quantum Leap: Mastering Git History and Log Management for the Time-Traveling Developer

#git #devops #versioncontrol #tutorial
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2 min read
Java Logic Mastery: Build FizzBuzz, Prime Detectors, and Palindrome Checks
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Labby for LabEx

Java Logic Mastery: Build FizzBuzz, Prime Detectors, and Palindrome Checks

#java #algorithms #coding #programming
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2 min read
Mastering DevOps Fundamentals: Nano Editing, File Management, and Globbing Labs
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Mastering DevOps Fundamentals: Nano Editing, File Management, and Globbing Labs

#devops #linux #nano #sysadmin
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2 min read
Securing Red Hat Enterprise Linux: Automating Firewall-CMD, Autofs, and Password Aging Policies
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Securing Red Hat Enterprise Linux: Automating Firewall-CMD, Autofs, and Password Aging Policies

#rhel #linux #sysadmin #security
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2 min read
C Programming: Solve Real-World Math, Finance, and Monte Carlo Simulations
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Labby for LabEx

C Programming: Solve Real-World Math, Finance, and Monte Carlo Simulations

#c #programming #math #finance
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2 min read
Brute Force SSH and HTTP Services: Practical Hydra Exploitation Guide
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Labby for LabEx

Brute Force SSH and HTTP Services: Practical Hydra Exploitation Guide

#hydra #cybersecurity #pentesting #security
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2 min read
Build 4 Real-World JS Apps: From Node.js News APIs to Logic-Based Puzzle Games
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Labby for LabEx

Build 4 Real-World JS Apps: From Node.js News APIs to Logic-Based Puzzle Games

#javascript #node #webdev #coding
1
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3 min read
Mastering Python Functions, Modules, and OOP for Data Science Success
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Mastering Python Functions, Modules, and OOP for Data Science Success

#python #datascience #programming #coding
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3 min read
Create MongoDB Collections and Manage NoSQL Data: A Practical Hands-On Guide
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Create MongoDB Collections and Manage NoSQL Data: A Practical Hands-On Guide

#mongodb #nosql #database #backend
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1 min read
Build a Drag-and-Drop Interface and Dynamic Clock: 3 Essential Web Development Projects
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Labby for LabEx

Build a Drag-and-Drop Interface and Dynamic Clock: 3 Essential Web Development Projects

#webdev #javascript #html #frontend
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2 min read
Mastering Kali Linux: File Management, User Admin, and Networking Tools Guide
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Mastering Kali Linux: File Management, User Admin, and Networking Tools Guide

#kalilinux #cybersecurity #networking #linux
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2 min read
Mastering NumPy Randomness and Einsum: Advanced Scientific Computing in Python
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Mastering NumPy Randomness and Einsum: Advanced Scientific Computing in Python

#numpy #python #datascience #einsum
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2 min read
Matplotlib Data Storytelling: Customizing Line Plots and Image Histogram Statistics
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Matplotlib Data Storytelling: Customizing Line Plots and Image Histogram Statistics

#matplotlib #python #dataviz #numpy
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2 min read
Automate CI/CD: Introduction to Jenkins Pipelines and Parameterized Freestyle Projects
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Labby for LabEx

Automate CI/CD: Introduction to Jenkins Pipelines and Parameterized Freestyle Projects

#jenkins #devops #automation #cicd
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2 min read
Build a Responsive Pet's House Website with Flexbox and CSS Grid Animations
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Build a Responsive Pet's House Website with Flexbox and CSS Grid Animations

#css #frontend #webdev #layout
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2 min read
Java Mastery: Read XML, Substring Replacement, and Remove ArrayList Duplicates
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Java Mastery: Read XML, Substring Replacement, and Remove ArrayList Duplicates

#java #xml #arraylist #programming
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2 min read
Python Performance & Logic: From Execution Timing to Class Inheritance
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Labby for LabEx

Python Performance & Logic: From Execution Timing to Class Inheritance

#python #coding #oop #tutorial
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3 min read
Build MongoDB User Profiles and Filter Collections: A Hands-on Query Guide
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Build MongoDB User Profiles and Filter Collections: A Hands-on Query Guide

#mongodb #nosql #database #backend
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2 min read
Verify Redis Server Status and Master Pub/Sub Messaging with Hands-On Set Operations
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Verify Redis Server Status and Master Pub/Sub Messaging with Hands-On Set Operations

#redis #database #backend #nosql
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2 min read
Build Interactive React Components and Responsive Navigation with Custom Hooks
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Build Interactive React Components and Responsive Navigation with Custom Hooks

#react #frontend #vite #javascript
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2 min read
Master CSS Backgrounds, Selectors, and Margins: 3 Hands-on Layout Labs
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Labby for LabEx

Master CSS Backgrounds, Selectors, and Margins: 3 Hands-on Layout Labs

#css #frontend #webdev #design
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2 min read
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