codeharborhub · ajay-dhangar · Feb 18, 2026 · Feb 18, 2026 · Feb 18, 2026
@@ -71,7 +71,7 @@ Building a model isn't just writing code; it's a circular process:
 
 1. **Define the Goal:** What are we trying to predict?
 2. **Data Collection:** Gathering raw information.
-3. **Data Preprocessing:** Cleaning and scaling (what you learned in the [Data Engineering module](/category/data-engineering-basics)).
+3. **Data Preprocessing:** Cleaning and scaling (what you learned in the [Data Engineering module](/ai-ml/category/data-engineering-basics)).
 4. **Model Training:** Feeding data to the algorithm.
 5. **Evaluation:** Testing the model on data it hasn't seen before.
 6. **Deployment:** Putting the model into a real-world app.

@@ -120,4 +120,4 @@ print(f"Best L1 Ratio: {model_cv.l1_ratio_}")
 
 ---
 
-**You've now covered all the primary linear regression models! But what if your goal isn't to predict a number, but to group similar data points together?** Head over to the [Clustering](/category/clustering) section to explore techniques like K-Means and DBSCAN!
+**You've now covered all the primary linear regression models! But what if your goal isn't to predict a number, but to group similar data points together?** Head over to the [Clustering](/ai-ml/category/clustering) section to explore techniques like K-Means and DBSCAN!
@@ -0,0 +1,121 @@
+Blockchain
+|---Introduction
+|---What is Blockchain
+|---Why it matters?
+|---Applications and Uses
+
+|---Blockchain Structure
+|---Decentralization
+|---Basic Blockchain Operations
+
+|---Understanding Blockchain
+|---Mining & Incentive Models
+|---Decentralization vs Trust
+|---Blockchain Forking
+|---Cryptocurrencies
+|---Cryptowallets
+|---Cryptography & Hashing
+|---Blockchain Interoperability
+|---Solana
+|---EVM-Based
+|---Types of Blockchains
+|---Ethereum
+|---Polygon
+|---BNB Chain
+|---Gnosis Chain
+|---Avalanche
+|---Fantom
+|---Moonbeam / Moonriver
+|---Everscale
+|---Gosh
+|---TON
+|---Venom
+|---TVM-Based
+|---L2 Blockchains
+|---Arbitrum
+|---Optimism
+|---TVM-Based
+|---Oracles
+|---Hybrid Smart Contracts
+|---Chainlink
+|---Oracle Networks
+|---Smart Contracts
+|---Solidity
+|---Vyper
+|---Rust
+|---Unit Tests
+|---Integration Tests
+|---Code Coverage
+|---Deployment
+|---Monitoring
+|---Upgrades
+|---ERC Tokens
+|---Crypto Wallets
+|---Remix
+|---Crypto Faucets
+|---Decentralized Storage
+|---Hardhat
+|---Brownie
+|---Truffle
+|---Foundry
+|---Security
+|---Practices
+|---Fuzz Testing & Static Analysis
+|---Common Threat Vectors
+|---Source of Randomness Attacks
+|---Slither
+|---Diligent Fuzzing
+|---Echidna
+|---OpenZeppelin
+|---Git
+|---GitHub
+|---GitLab
+|---Bitbucket
+|---dApps
+|---Applicability
+|---Defi
+|---DAOs
+|---NFTs
+|---Payments
+|---Insurance
+|---Node as a Service
+|---Alchemy
+|---Infura
+|---Pokt Network
+|---Quicknode
+|---Supporting Languages
+|---JavaScript
+|---Python
+|---Go
+|---Frontend Frameworks
+|---React
+|---Angular
+|---Vue
+|---Testing
+|---Deployment
+|---Maintenance
+|---Architecture
+|---Security
+|---Client Libraries
+|---ethers.js
+|---web3.js
+|---Moralis
+|---Client Nodes
+|---Geth
+|---Besu
+|---Nethermind
+|---Substrate
+|---Building for Scale
+|---State & Payment Channels
+|---Optimistic Rollups & Fraud Proofs
+|---Zk Rollups & Zero Knowledge Proof
+|---Validium
+|---Plasma
+|---Sidechains
+|---Ethereum 2.0
+|---On-Chain Scaling
+|---Visit the following relevant roadmaps
+|---JavaScript
+|---Python
+|---Rust
+|---Backend
@@ -0,0 +1,15 @@
+{
+  "position": 2.5,
+  "label": "Linux",
+  "key": "unique-sidebar-item-key",
+  "collapsible": true,
+  "collapsed": false,
+  "className": "red",
+  "link": {
+    "type": "generated-index",
+    "title": "Linux overview"
+  },
+  "customProps": {
+    "description": "This description can be used in the swizzled DocCard"
+  }
+}
@@ -0,0 +1,108 @@
+# linux
+
+```txt
+Linux
+|---Navigation Basics
+|    |---Basic Commands
+|    |---Moving Files / Directories
+|    |---Creating & Deleting Files / Dirs
+|    |---Directory Hierarchy Overview
+|---Editing Files
+|    |---Vim
+|    |---Nano
+|---Shell and Other Basics
+|    |---Command Path
+|    |---Environment Variables
+|    |---Command Help
+|    |---Redirects
+|    |---Super User
+|---Working with Files
+|    |---File Permissions
+|    |---Archiving and Compressing
+|    |---Copying and Renaming
+|    |---Soft Links / Hard Links
+|---Text Processing
+|    |---stdout / stdin / stderr
+|    |---cut
+|    |---paste
+|    |---sort
+|    |---head
+|    |---tr
+|    |---tail
+|    |---join
+|    |---split
+|    |---pipe
+|    |---tee
+|    |---nl
+|    |---wc
+|    |---expand
+|    |---unexpand
+|    |---uniq
+|    |---grep
+|    |---awk
+|---Server Review
+|    |---Uptime and Load
+|    |---Authentication Logs
+|    |---Services Running
+|    |---Available Memory / Disk
+|---Process Management
+|    |---Background / Foreground Processes
+|    |---Listing / Finding Processes
+|    |---Process Signals
+|    |---Killing Processes
+|    |---Process Priorities
+|    |---Process Forking
+|---User Management
+|    |---Create / Delete / Update
+|    |---Users and Groups
+|    |---Managing Permissions
+|---Service Management (systemd)
+|    |---Creating New Services
+|    |---Checking Service Logs
+|    |---Starting / Stopping Services
+|    |---Checking Service Status
+|---Package Management
+|    |---Package Repositories
+|    |---Finding & Installing Packages
+|    |---Listing Installed Packages
+|    |---Install / Remove / Upgrade Packages
+|    |---Snap
+|---Disks and Filesystems
+|    |---Inodes
+|    |---Filesystems
+|    |---Swap
+|    |---Mounts
+|    |---Adding Disks
+|    |---LVM
+|---Booting Linux
+|    |---Logs
+|    |---Boot Loaders
+|---Networking
+|    |---TCP/IP Stack
+|    |---Subnetting
+|    |---Ethernet & arp/rarp
+|    |---DHCP
+|    |---IP Routing
+|    |---DNS Resolution
+|    |---Netfilter
+|    |---SSH
+|    |---File Transfer
+|---Shell Programming
+|    |---Literals
+|    |---Variables
+|    |---Loops
+|    |---Conditionals
+|    |---Debugging
+|---Troubleshooting
+|    |---ICMP
+|    |---ping
+|    |---traceroute
+|    |---netstat
+|    |---Packet Analysis
+|---Containerization
+|    |---ulimits
+|    |---cgroups
+|    |---Container Runtime
+|    |---Docker
+|
+```
@@ -102,7 +102,7 @@ Select a technology below to dive into our structured tutorials. Each path is de
   <p>Learn NoSQL database concepts with MongoDB. Store, query, and manage data efficiently for modern applications.</p>
 </DocsCard>
 
-<DocsCard header="AI & Machine Learning" href="/machine-learning" icon="/icons/ai-chat.svg">
+<DocsCard header="AI & Machine Learning" href="/ai-ml" icon="/icons/ai-chat.svg">
   <p>Explore artificial intelligence, machine learning, and neural networks with beginner-friendly examples.</p>
 </DocsCard>
Original file line number	Diff line number	Diff line change
Expand Up		@@ -120,4 +120,4 @@ print(f"Best L1 Ratio: {model_cv.l1_ratio_}")

		---

		You've now covered all the primary linear regression models! But what if your goal isn't to predict a number, but to group similar data points together? Head over to the [Clustering](/category/clustering) section to explore techniques like K-Means and DBSCAN!
		You've now covered all the primary linear regression models! But what if your goal isn't to predict a number, but to group similar data points together? Head over to the [Clustering](/ai-ml/category/clustering) section to explore techniques like K-Means and DBSCAN!