Labby - DEV Community

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Nov 2

Python Coding Challenges: FizzBuzz, String Equality, and Heterogram Checks for Beginners

#python #beginners #coding #fizzbuzz

3 min read

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Nov 1

Hydra Brute-Force: 5 Labs to Crack Telnet, HTTP, and FTP Credentials (Verify Installation & Speed)

#hydra #bruteforce #pentesting #tutorial

3 min read

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Oct 31

SQLite Performance Tuning: 3 Practical Labs for PRAGMA, Indexing, and FTS5 Full-Text Search

#sqlite #optimization #fts5 #sql

2 min read

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Oct 30

Jenkins CI/CD: Docker Installation, Interface Navigation, and Declarative Pipeline Tutorial

#jenkins #cicd #devops #pipeline

2 min read

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Oct 29

4 HTML Challenges: Build a Custom Membership Card & Fix Display Issues with Real-World Code Labs

#html #webdev #beginners #labs

3 min read

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Oct 28

4 Linux Security Labs: Implementing CIA Triad, GPG Cryptography, and Detecting Command Injection Attacks

#linux #security #cryptography #sysadmin

3 min read

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Oct 27

Red Hat Enterprise Linux: Configure Firewalld, Secure SSH Keys, and Container Persistence Labs

#rhel #firewalld #ssh #containers

2 min read

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Oct 26

5 Hands-On Redis Labs: Sorted Sets, Pub/Sub Messaging, Transactions, and Security Configuration

#redis #database #tutorial #security

3 min read

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Oct 25

Hands-On MongoDB: 3 Labs to Filter Collections, Create Schemas, and Model User Profiles

#mongodb #nosql #database #tutorial

2 min read

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Oct 24

5 Pandas Labs: Master .query(), E-commerce String Cleaning, and Advanced Data Filtering with .where()

#pandas #python #dataanalysis #tutorial

1

3 min read

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Oct 23

5 Python Projects for DevOps: Build a Network Scanner, Tkinter GUI, and Game Automation Scripts

#python #devops #scripting #automation

3 min read

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Oct 22

4 NumPy Labs: Array Creation, Advanced Indexing, Vectorized KNN, and Gradient Edge Detection

#numpy #datascience #knn #tutorial

3 min read

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Oct 21

Scikit-Learn 4-Step Path: Mastering Classification with Naive Bayes, SVM, and Essential Metrics

#scikitlearn #machinelearning #classification #datascience

3 min read

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Oct 20

SQLite Mastery: 5 Labs on Database Backup, CTE Queries, and Linux Setup for Data Management

#sqlite #sql #database #tutorial

3 min read

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Oct 19

Visualize Data Stories: 5 Matplotlib Labs on Subplots, Scatter, Pie Charts, and Histograms

#matplotlib #python #dataviz #datascience

2 min read

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Oct 18

Nmap Mastery Path: 3 Hands-On Labs to Scan, Exploit Vulnerabilities, and Explore Verbosity Levels

#nmap #scanning #cybersecurity #exploitation

2 min read

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Oct 17

Red Hat Enterprise Linux: Hands-On Labs to Extend LVM, Troubleshoot SELinux Policy, and Master Shell Scripting

#rhel #linuxadmin #selinux #shellscripting

3 min read

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Oct 16

Kali Linux Lab: Build Tool Directory, Nmap Port Scan, and Metasploit Console Start

#kalilinux #nmap #metasploit #hacking

2 min read

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Oct 15

MongoDB Tutorial: Hands-On Labs to Create MongoDB Collection and Master NoSQL CRUD Operations

#mongodb #nosql #tutorial #database

1 min read

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Oct 14

Alibaba Cloud Hands-On: Build AI with TensorFlow, Automate IaC with Terraform, and Secure Websites with WAF

#alibabacloud #tensorflow #terraform #waf

2 min read

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Oct 13

Hands-On Kali Linux Setup: Verify Version, Environment, and Tool Directory Structure

#kalilinux #pentesting #cybersecurity #tutorial

2 min read

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Oct 12

Optimizing C++ Fibonacci Performance, Fixing C++14 Bugs, and Singleton Design: 5 Hands-On Labs

#cpp #performance #designpatterns #tutorial

4 min read

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Oct 11

MongoDB CRUD & Schema Design: 5 Labs to Write Queries, Filter, Delete, and Export Data

#mongodb #nosql #crud #schema

2 min read

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Oct 10

Docker Labs: Run Containers, Master Graceful Shutdown (Arctic Mission), and Image Repository Search

#docker #containers #devops #tutorial

2 min read

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Oct 9

Bash Scripting for Linux Sysadmins: Automate File Metadata, User Management, and Logic Patterns

#bash #linuxautomation #sysadmin #shell

2 min read

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Oct 8

JavaScript Kickstart: 4 Hands-On Labs for CSS Selectors, Box Shadows, and Array Manipulation

#javascript #css #webdev #tutorial

1

2 min read

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Oct 7

HTML Foundation to Full-Stack: 5 Labs Including Vue.js Task Manager and Flask URL Shortener

#html #webdev #vue #flask

1

3 min read

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Oct 6

Hands-On MongoDB Labs: Insert Data, Update Records (Operators), and Export Data Fast

#mongodb #nosql #database #tutorial

2

2 min read

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Oct 5

SQLite Mastery: Linux Setup, Efficient INNER/LEFT JOINs, and ON CONFLICT Error Handling

#sqlite #sql #database #tutorial

2 min read

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Oct 4

5 MongoDB Labs: Filter, Sort, Export, and Delete Data Collections (Your First MongoDB Tutorial)

#mongodb #nosql #tutorial #filtering

2 min read

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Oct 3

Python Path Experiments: Run Scripts from CLI, Configure Networks, and Uncover Object Secrets with dict

#python #cli #networking #tutorial

2 min read

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Oct 2

Learn Nmap Network Port Scanning: Hands-On SYN Scans and Target Specification for Security Auditing

#nmap #scanning #security #tutorial

2 min read

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Oct 1

Golang Fundamentals: Master Multidimensional Arrays, Strings, and Constants with 4 Hands-On Labs

#go #arrays #beginners #tutorial

2 min read

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Sep 30

4 JavaScript Projects: Build a React Heatmap, DOM Game, Prize Draw, and Voting App

#javascript #react #projects #tutorial

3 min read

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Sep 29

Jenkins Pipeline Tutorial: Git Integration, User Management & Declarative CI/CD in 5 Steps

#jenkins #pipeline #devops #tutorial

3 min read

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Sep 28

Git Mastery Labs: Advanced Staging, History Rewriting, and Commit Manipulation Techniques

#git #versioncontrol #tutorial #devops

2 min read

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Sep 27

Scikit-learn Hands-On: 5 Projects from Iris k-NN to Credit Risk Prediction

#scikitlearn #machinelearning #tutorial #creditrisk

3 min read

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Sep 26

3 Hands-On Kali Linux Labs: Exploring Security Tools, Building Directory Structure, and Verifying System Version

#kalilinux #ethicalhacking #cybersecurity #penetrationtesting

2 min read

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Sep 25

Docker Swarm & Registry: Hands-On Guide to Packaging, Connecting & Orchestrating Apps

#docker #containerization #devops #swarm

3 min read

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Sep 24

Ansible Core Modules: Hands-on Labs for get_url, cron, command, local_action

#ansible #automation #devops #tutorial

1

2 min read

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Sep 23

NumPy Math Games: Master Array Indexing & Operations in Python

#numpy #python #arrays #tutorial

2 min read

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Sep 22

MySQL Path: 4 Hands-On Challenges for Data Entry, User Management, Multi-Table Queries & Sales Analysis

#mysql #database #sql #tutorial

2 min read

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Sep 21

C++ Labs: Build Calculator, Manipulate Strings, & Master Class Inheritance

#cpp #programming #oop #tutorial

2 min read

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Sep 20

PostgreSQL Advanced Queries & Data Types: A Practical Guide to Robust Data Management

#postgres #database #sql #tutorial

3 min read

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Sep 19

HTML Text Formatting & Lists: Mastering Italic, Emphasized Text & Description Lists

#html #formatting #webdev #tutorial

2 min read

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Sep 18

NumPy Arrays & Bitwise Ops: Create, Manipulate, and Explore with Python

#numpy #python #arrays #bitwise

2 min read

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Sep 17

RHEL 9 Hands-On: Logs, Permissions, Containers & Process Scheduling

#rhel #linux #rhcsa #containers

2 min read

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Sep 16

Kubernetes Hands-On: Annotate, Persistent Volumes, ConfigMaps, & RBAC Explained

#kubernetes #devops #tutorial #cloudnative

2 min read

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Sep 15

Matplotlib Timeline & Hillshading: Advanced Plotting Techniques for Data Storytelling

#matplotlib #python #visualization #datascience

2 min read

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Sep 14

Nmap SYN Scans & Service Discovery: A Practical Guide for Cybersecurity Beginners

#nmap #cybersecurity #scanning #beginners

3 min read

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Sep 13

Redis Mastery: Boost Performance with Lua Scripting & Fortify Security

#redis #database #scripting #security

2 min read

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Sep 12

Cybersecurity Shell Scripting: Build Weather & Calculator Tools with Bash Loops & File Ops

#cybersecurity #bash #scripting #tutorial

3 min read

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Sep 11

Redis Hands-On: Master Hashes, Persistence, Lua, & HyperLogLog with 5 Practical Labs

#redis #tutorial #database #caching

3 min read

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Sep 10

MongoDB Hands-On: Delete Data, Create Indexes & Master Queries

#mongodb #database #nosql #tutorial

2 min read

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Sep 9

Java Data Transformation: Enum to String, List to Array, Stream to Array & More

#java #conversion #tutorial #beginners

3 min read

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Sep 8

C Programming Labs: Dynamic Memory, Pointers & Global Variables for Data Analysis

#c #memory #pointers #tutorial

3 min read

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Sep 7

MongoDB Data Operations: Filter, Insert, and Delete Collections

#mongodb #nosql #database #tutorial

2 min read

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Sep 6

RHEL Lab: Conditional Scripting, User Management & LVM Storage

#rhel #linux #scripting #lvm

2 min read

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Sep 5

Ansible Core Modules & Inventory: Script, Command, and Groups for IT Automation

#ansible #automation #itautomation #configuration

2 min read

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Sep 4

C++ Path Labs: Operators, Flow Control & Matrix Operations Tutorial

#c #programming #tutorial #labs

1

2 min read

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