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Security
SSH Server Hardening in 2026: A Version-Aware sshd_config Guide
A version-aware OpenSSH guide to key-only authentication, case-safe effective-config checks, bounded key audits, idle timeouts, and safe rollout.
Tools & Setup
Browser Fingerprinting Defenses in 2026: Options and Limits
Compare Firefox, Brave, Chrome, Safari, and Tor fingerprinting defenses, interpret privacy tests, and understand mobile permission limits.
Tools & Setup
yfinance 1.6.0: Practical Python Stock Data, Live Streaming, and Equity Screening
Source-checked yfinance 1.6.0 examples for historical data, WebSocket callbacks, EquityQuery screening, MultiIndex columns, and bounded retries. Tested offline.
Tools & Setup
Choosing an NVMe SSD for Docker Builds: Capacity, Endurance, and Cooling
Choose Docker build storage by builder location, capacity, endurance, cooling, and compatibility—not an unverified SSD ranking.
Tools & Setup
Batch Image Compression in CI with QuickShrink CLI: WebP, AVIF, and Metadata Stripping
Source-checked QuickShrink 1.0.0 workflows for local image conversion and CI, with palette PNG, orientation, overwrite risks, and a reviewed local install.
Security
Base64 Is Not Encryption: How I Debug Base64 Data Without Uploading It Anywhere
I was reviewing a pull request last week when I spotted it: a developer had base64-encoded a JWT payload to "hide" the user ID before logging it. The encoding was a one-liner, the decoding was…
Finance & Trading
Parsing Trading Data with Regex: How I Use RegexLab to Debug Financial Patterns Fast
Last quarter I was normalizing a feed of options trade confirmations from a brokerage API. The format looked clean at first — 2026-07-14 09:31:02 | AAPL | C | 190.00 | 2 | 3.45 —…
Security
What SHA-256 Checksums Prove — Verify Files with HashForge
Use HashForge to verify downloads locally, then learn why checksums prove integrity—not authenticity—and when signatures are required.
Tools & Setup
How JSON Forge Turns “position 4127” Into a Real Error, In Your Browser
How a browser-only JSON formatter gives exact error line/column, handles 10MB files, and computes JSONPath on click — with the actual code, and why it never uploads your data.
Tools & Setup
The Frankfurter API: Pull ECB Exchange Rates as JSON (No Key, No Rate Limits)
Pull ECB exchange rates as JSON with the Frankfurter API: latest, historical, and full time series. No key, no rate limits. Python examples and the gotchas.
Security
Verifying Webhook Signatures by Hand: HMAC-SHA256 in the Browser with HashForge
A fake webhook can trigger real damage. Here's how HMAC-SHA256 signatures work, why your verification keeps failing, and how to check one by hand in HashForge.
Tools & Setup
Your Password Generator Is Only as Good as crypto.getRandomValues
How PassForge uses crypto.getRandomValues and entropy math to build passwords that actually resist offline guessing attacks.
Article
The FDIC BankFind API: Pull Any U.S. Bank’s Financials and Failure History as JSON (No Key)
The FDIC BankFind Suite API gives you every insured bank’s call reports, deposits, and failure history as free keyless JSON. Here’s how to query it.
Security
Reading a JWT Offline: How to Spot alg:none and Algorithm Confusion Before They Bite
Most JWT bugs aren't cryptographic — you catch them by reading the token. Here's how I decode JWTs offline to spot alg:none, HS256/RS256 confusion, and leaked PII.
Tools & Setup
Your Photos Are Broadcasting Your Home Address — Strip EXIF GPS in the Browser
Phone photos carry your exact GPS coordinates inside the file. Here's what's in that EXIF block, which apps leak it, and how to strip it browser-side.
Finance & Trading
The Treasury FiscalData API: Pull the U.S. National Debt as JSON (No Key)
The U.S. Treasury FiscalData API serves the national debt, interest rates, and FX rates as clean JSON — no API key. How to use it, with tested Python.
Security
Check If a Password Was Breached Without Sending It (HIBP k-Anonymity)
How Have I Been Pwned's k-anonymity range API lets you check a password against 900M+ breaches without ever sending it. Real code, real numbers, and the padding trick most people miss.
Tools & Setup
How One Regex Took Down Cloudflare: Catastrophic Backtracking, Tested in Your Browser
A 30-char string can hang a simple regex for 13 seconds. How ReDoS works, why it took down Cloudflare, and how to catch it in RegexLab.
Finance & Trading
The SEC EDGAR XBRL API: Pull Any Company’s Financials as JSON (No Key)
How to pull any US public company's financials as free JSON from the SEC EDGAR XBRL API, plus the revenue-tag gotcha that breaks naive screeners.
Security
I Stopped Pasting JWTs Into Online Base64 Decoders — Here’s the Browser-Only Fix
Online base64 decoders run server-side, so pasting a live JWT leaks the token. Base64Lab decodes JWTs and files in your browser. Here's how it works.
Finance & Trading
The SpaceX 424B Prospectus Is Free on SEC EDGAR — Here’s What It Says and How to Pull It
SpaceX's 424B4 final prospectus (filed June 12, 2026) priced the IPO at $135/share. The real terms off the cover page, plus Python to pull it from SEC EDGAR.
Finance & Trading
HouseStockWatcher Is Dead — Here’s How to Pull the Latest House Trades Yourself
The old HouseStockWatcher S3 bucket now 403s. Here's how to pull the latest US House stock trades from the Clerk's office in ~40 lines of Python.
Security
Why the Web Crypto API Won’t Compute MD5 (and How HashForge Does It in Your Browser)
Why the Web Crypto API refuses MD5 and how HashForge generates MD5, SHA-256 and more in-browser without uploading a single byte.
Security
How a Secure Password Generator Actually Works (and Why Math.random() Fails)
Why Math.random() passwords are crackable, how crypto.getRandomValues fixes it, and the modulo-bias and 64KB gotchas that bite DIY fixes.
Finance & Trading
Reverse-Engineering SEC EDGAR’s Full-Text Search API (efts.sec.gov)
The SEC EDGAR full-text search runs on an undocumented efts.sec.gov JSON endpoint with no API key. Here is how to query it from Python, paginate results, and avoid rate-limit blocks.
Tools & Setup
How EXIF GPS Data Is Stored in a JPEG — A Byte-Level Teardown
How a JPEG hides your GPS coordinates, decoded byte by byte, plus a 40-line browser parser and the cleanest way to strip EXIF without recompressing.
Article
I Built a $20 Wi-Fi Desk Stock Ticker with an ESP32-C6 (No Soldering, No Code)
Build a Wi-Fi desk stock ticker for under $20 with an ESP32 — live prices, day change, and an intraday chart. No soldering, no code. Here is exactly what to buy.
Article
Free Number Base Converter Online — Binary, Hex, Octal, Decimal
Convert numbers between binary, octal, decimal, and hexadecimal instantly. Free online base converter for programmers. Runs in your browser, no signup.
Article
Free Text Case Converter Online — UPPERCASE, lowercase, Title & camelCase
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and kebab-case instantly. Free online tool, runs in your browser.
Article
Free Password Generator Online — Create Strong Random Passwords Instantly
Generate strong, secure random passwords online for free. Customize length, symbols, numbers, and uppercase. Cryptographically secure, runs in your browser. No signup.
Tools & Setup
How Browser Image Compression Actually Works (Canvas API, toBlob, and Why Your JPEGs Shrink)
How browser image compression works under the hood: the Canvas API, toBlob quality settings, WebP vs JPEG, real benchmarks, and why browser-only beats upload tools.
Security
Your Online SQL Formatter Might Be Logging Your Database Password
Server-side SQL formatters and YAML validators can leak secrets you paste. Here's how to verify a dev tool runs in your browser only.
Article
Nvidia and Microsoft Just Teased a New Era of PC: What N1X and the GB10 Superchip Actually Mean
Nvidia and Microsoft posted identical teasers ahead of Computex 2026, pointing to N1X Windows-on-Arm laptops built on the GB10 Superchip. Here is what that chip actually does, where the hype outruns the silicon, and the…
Article
Claude Opus 4.8 Is Here: What Actually Changed, and When to Reach for It
Anthropic shipped Claude Opus 4.8 on May 28, 2026 — at the same price as Opus 4.7. After spending real time putting it through coding, design, and strategy work, here’s an honest breakdown of where…
Security
I Switched to KeePassXC After LastPass Got Breached — Here’s My Setup
A practical guide to KeePassXC with hardware key auth, browser integration, and sync — no cloud trust required.
Article
Free Diff Checker & Text Compare Online — Find Text Differences Instantly
Compare two texts and find differences instantly. Free online diff checker with line-by-line comparison, highlighting additions and deletions. No signup.
Article
Free SQL Formatter & Beautifier Online — Format SQL Queries Instantly
Format and beautify SQL queries online for free. Supports SELECT, INSERT, UPDATE, CREATE statements. Proper indentation and keyword highlighting. No signup.
Article
Free YAML Validator & Formatter Online — Check YAML Syntax Instantly
Validate and format YAML online for free. Detect syntax errors, fix indentation, and convert between YAML and JSON. No signup required.
Article
I Built a Python Script That Alerts Me to SEC Insider Buying — Here’s the Code
Track SEC Form 4 insider purchases in real-time with Python and the EDGAR API. Free, no API key needed, runs on a cron job.
Security
I Caught 14 Leaked Secrets in My Git History — Here’s the Pre-Commit Setup That Stops It
How I use trufflehog and git-secrets as pre-commit hooks to catch leaked API keys, tokens, and passwords before they reach git history.
Article
Quiet Gaming Laptops (2026): 8 Picks That Won’t Sound Like a Jet Engine
Honest 2026 buyer's guide to the 8 quietest gaming laptops — real dB measurements, vapor chamber vs heatpipe breakdown, and which models stay quiet under load.
Tools & Setup
Your Photos Are Broadcasting Your Home Address — How EXIF Metadata Works and How to Strip It
Learn how EXIF metadata leaks your GPS location from photos and how to strip it with zero quality loss using client-side JavaScript.
Article
Free Unix Timestamp Converter Online — Epoch to Date & Date to Epoch
Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds, multiple timezones, and ISO 8601 format. Free, no signup.
Article
Free Markdown Table Generator Online — Create Tables Instantly
Generate Markdown tables visually. Add rows and columns, paste from CSV/Excel, and export clean Markdown table syntax for GitHub, GitLab, and documentation.
Tools & Setup
I Tested 4 Free Stock Market APIs — Here’s Which One Actually Works for Side Projects
I tested Polygon.io, Finnhub, Alpha Vantage, and yfinance for a real trading dashboard. Here's what works on free tiers in 2026.
Homelab
I Ran Trivy on Every Container in My Homelab — The Results Were Embarrassing
Run Trivy on all your homelab containers. I found 312 critical CVEs across 47 containers — here is the fix strategy and automated pipeline.
Security
I Replaced All My Passwords with a YubiKey — Here’s What Actually Happened
I replaced TOTP codes with a YubiKey 5 NFC on every account. Here's what worked, what didn't, and why hardware keys beat authenticator apps.
Finance & Trading
Build a Portfolio Rebalancing Bot with Python and Alpaca API
Build an automated portfolio rebalancing bot with Python and Alpaca API. Full code, backtesting results, and tax-loss harvesting add-on.
Article
How to Batch Compress Images Online (Free Tools Compared)
Compare the best free tools for batch compressing images online. QuickShrink, TinyPNG, Squoosh, and more — find the right batch image compressor for your workflow.
Article
How to Compress Images Without Uploading to a Server
Most image compressors upload your photos to remote servers. QuickShrink compresses images entirely in your browser — no uploads, no privacy risk, no account needed.
Security
Stop Pasting Sensitive Data Into Online Developer Tools
Most online dev tools send your data to a server. Here is what actually happens when you paste code into a JSON formatter, and how browser-only tools fix it.
Article
How to Compress Images Without Uploading Them (Privacy-First Guide)
Compress images without uploading to any server. Browser-based tools process everything locally for maximum privacy. Free, fast, no account needed.
Deep Dives
How to Strip EXIF Data from Photos Before Sharing (Free, Browser-Only)
Your photos leak GPS coordinates, camera model, and timestamps. Here's how to strip EXIF metadata entirely in your browser — no uploads, no installs.
Article
How to Reduce Image File Size Without Losing Quality (2026 Guide)
Large image files slow down websites, eat storage, and make sharing painful. But reducing file size usually means sacrificing quality — pixelated photos, blurry text, washed-out colors. Not anymore. Modern browser-based compression tools can shrink…
Article
Free Markdown Preview & Editor Online — Live Markdown Renderer
Write and preview Markdown in real time. Free online Markdown editor with live rendering, copy HTML output, and GitHub Flavored Markdown support. No signup.
Article
Free Unix Timestamp Converter Online — Convert Epoch Time Instantly
Convert Unix timestamps to human-readable dates and vice versa. Free online epoch converter with millisecond support. No signup, runs in browser.
Article
Free Cron Expression Builder & Validator Online — Generate Cron Schedules Instantly
Build and validate cron expressions with a visual editor. See next 5 run times instantly. Supports standard 5-field cron syntax. Free, no signup, runs in browser.
Article
How I Built a Free Real-Time Stock Alert System with Finnhub WebSockets
Build a real-time stock price alert system using Finnhub free WebSocket API and Node.js. No paid data feeds needed.
Article
Best TinyPNG Alternatives in 2026 (Free & Privacy-First)
Looking for a TinyPNG alternative that's free, private, and doesn't require uploads? Here are the best options in 2026 — including one that compresses images entirely in your browser. Why Look Beyond TinyPNG? TinyPNG is…
Article
QuickShrink Pro: Unlimited Private Image Compression — $3.99 One-Time
QuickShrink Pro — Unlimited Image Compression Compress images instantly in your browser. No uploads. 100% private. Try QuickShrink Free Free vs Pro Feature Free Pro — $3.99 one-time Single image compression ✅ ✅ Format conversion…
Article
How to Scan Docker Images for Vulnerabilities with Trivy (Free, 5 Minutes)
Learn how to scan Docker images for security vulnerabilities using Trivy. Free, fast, single binary. Includes CI setup and real scan results.
Article
How to Convert Images to WebP Online (Free, No Upload Required)
Convert JPEG and PNG images to WebP format online for free. No upload required — browser-based conversion keeps your files private while cutting file sizes by 25-35%.
Article
How to Compress Images Online for Free (Without Losing Quality)
Compare the best free online image compression tools in 2026. Learn how to reduce image file sizes by up to 80% without losing quality — with tools that work right in your browser.
Deep Dives
Dangerzone: Open-Source Document Sanitization That Actually Works
Dangerzone sanitizes documents through disposable containers, eliminating malware and metadata. How I use it daily and why it beats alternatives.
DevOps
JavaScript Fingerprinting: Advanced Troubleshooting Tips
TL;DR: JavaScript fingerprinting is a powerful tool for identifying users and securing web applications, but it comes with significant security and privacy challenges. This article explores how to implement a production-ready fingerprinting solution in Kubernetes,…
DevOps
Debugging & Optimizing JavaScript Fingerprinting
TL;DR: JavaScript fingerprinting is a powerful tool for identifying users and securing web applications, but it comes with significant security and privacy challenges. This article explores how to implement fingerprinting securely, integrate it into Kubernetes…
Article
Free JWT Decoder Online — Decode and Inspect JSON Web Tokens
Decode JWT tokens online for free. Inspect header, payload, and signature. Check expiration dates. No signup required. Your tokens never leave your browser.
Article
Free HTML Encoder & Decoder — Escape Instantly
Encode special characters to HTML entities or decode entities back to text. Free online tool for escaping HTML. No signup. Runs in your browser.
Article
Free Online Lorem Ipsum Generator — Instant Placeholder Text
Generate lorem ipsum placeholder text online for free. Choose paragraphs, sentences, or words. Perfect for web design mockups and layout testing. No signup required.
Tools & Setup
Free Stock Price Alerts: Built with Finnhub in 30 Minutes
Build free real-time stock price alerts with Finnhub WebSocket and Telegram. Sub-second delivery, unlimited tickers, zero monthly cost.
Security
Regex Patterns to Catch Security Bugs (+ Free Tester)
Battle-tested regex patterns for catching SQL injection, XSS, and path traversal attacks — with a free browser-based tester that keeps your payloads private.
DevOps
Securing JavaScript Fingerprinting in Kubernetes
TL;DR: JavaScript fingerprinting can be a powerful tool for user tracking, fraud prevention, and analytics, but it comes with significant security and privacy risks. In Kubernetes environments, securing fingerprinting involves managing secrets, adhering to DevSecOps…
Security
Why I Stopped Uploading Files to Free Online Tools
Stop uploading files to cloud tools. Browser-only processing keeps your data private with zero server uploads. Here's how it works.
Finance & Trading
Decoding ‘house-stock-watcher-data’ on GitHub
TL;DR: The ‘house-stock-watcher-data’ GitHub repository provides a rich dataset of congressional stock trades, offering a unique opportunity for quantitative analysis. This article walks through setting up a data pipeline, applying statistical methods, and implementing Python-based…
DevOps
CI/CD Pipeline in DevOps: Secure & Scalable Guide
TL;DR: A well-designed CI/CD pipeline is critical for modern DevOps workflows. By integrating security checks at every stage, leveraging Kubernetes for scalability, and adopting tools like Jenkins, GitLab CI/CD, and ArgoCD, you can ensure a…
Article
Free CSS Minifier Online — Compress CSS Instantly
Minify and compress CSS online for free. Remove comments, whitespace, and optimize your stylesheets. No signup required. Runs in your browser.
Article
Free Online Color Picker: HEX, RGB, HSL Converter
Pick colors and convert between HEX, RGB, and HSL formats instantly. Free online color tool with visual picker. No signup required.
Article
Free Online Regex Tester & Debugger
Test and debug regular expressions online for free. Real-time matching with highlights, capture groups, and common pattern library. No signup required.
DevOps
Setup Wazuh Agent: Security-First Kubernetes Guide
TL;DR: Learn how to deploy the Wazuh agent in Kubernetes environments with a security-first approach. This guide covers prerequisites, installation steps, hardening techniques, troubleshooting tips, and advanced integrations to ensure production-grade security. By the end,…
Homelab
Optimize Plex on TrueNAS Scale: Tips & Techniques
TL;DR: TrueNAS Scale is a powerful platform for running Plex, but optimizing performance requires careful resource allocation, advanced configuration, and proactive troubleshooting. This guide covers everything from setting up secure permissions to fine-tuning your Plex…
Security
EXIF Metadata Leaks Location — Learn to Remove It
EXIF metadata in your photos leaks GPS coordinates, device info, and timestamps. Learn how to strip it with PixelStrip and exiftool.
Homelab
Secure Self-Hosted LLM: Enterprise Practices at Home
TL;DR: Self-hosting large language models (LLMs) offers privacy and control but comes with security challenges. By scaling down enterprise-grade practices like zero trust, RBAC, and encryption, you can secure your homelab deployment. This guide covers…
Homelab
Network Segmentation for a Secure Homelab
TL;DR: Network segmentation is a critical security practice that isolates devices and services into distinct zones to reduce attack surfaces and improve control. In this article, we’ll explore how to adapt enterprise-grade segmentation techniques for…
DevOps
Kubernetes Security: RBAC, Pod Standards & Monitoring
TL;DR: Kubernetes security is critical for protecting your workloads and data. This article explores advanced security techniques covering common pitfalls, troubleshooting strategies, and future trends. Learn how to implement RBAC, Pod Security Standards, and compare…
Tools & Setup
Remote Developer Toolkit: Durable Work-From-Home Essentials
Some links in this post are affiliate links. I only recommend products I personally use or have thoroughly researched. TL;DR: A reliable remote work setup requires durable, well-chosen gear — a solid webcam, a noise-cancelling…
Homelab
Building a Home Server: The Budget Networking Gear Guide
Some links in this post are affiliate links. I only recommend products I personally use or have thoroughly researched. TL;DR: Your homelab is only as fast as your network. A managed switch, proper Cat6 cabling,…
Tools & Setup
The Ultimate Developer Desk Setup: Essential Gear Under $50
Some links in this post are affiliate links. I only recommend products I personally use or have thoroughly researched. TL;DR: The best developer desk upgrades cost under $50 each — a monitor arm, a mechanical…
Security
Vulnerability Scanners: Troubleshooting & Comparison
TL;DR: Vulnerability scanners are essential for identifying security risks, but they often come with their own challenges, from false positives to integration headaches. This article dives into troubleshooting common issues, compares top tools like Nessus,…
Security
Master Wazuh Agent: Troubleshooting & Optimization Tips
TL;DR: The Wazuh agent is a powerful tool for security monitoring, but deploying and maintaining it in Kubernetes environments can be challenging. This guide covers advanced troubleshooting techniques, performance optimizations, and best practices to ensure…
Security
Cisco Zero Trust: A Developer’s Guide to Security
TL;DR: Cisco’s Zero Trust Architecture redefines security by assuming no user, device, or application is inherently trustworthy. Developers play a critical role in implementing this model by integrating secure practices into their workflows. This guide…
Finance & Trading
Python Libraries for Stock Technical Analysis
TL;DR: Python offers powerful libraries like TA-Lib, pandas_ta, and pyti for implementing stock technical analysis. These tools enable engineers to calculate indicators like RSI, MACD, and Bollinger Bands programmatically. This article dives into the math…
DevOps
Linux Server Hardening: Advanced Tips & Techniques
TL;DR: Hardening your Linux servers is critical to defending against modern threats. Start with baseline security practices like patching, disabling unnecessary services, and securing SSH. Move to advanced techniques like SELinux, kernel hardening, and file…
Tools & Setup
Free Word Counter & Text Analyzer: Count Characters
Count words, characters, sentences, and paragraphs online for free. Get reading time, speaking time, and keyword density. Perfect for writers, bloggers, and students.
Tools & Setup
Free UUID Generator Online — Generate v4 UUIDs Instantly
Generate random UUID v4 identifiers online for free. Bulk generate up to 100 UUIDs at once. Copy with one click. No signup, runs in your browser.
Tools & Setup
Free Online URL Encoder & Decoder — Instant Encoding
Encode or decode URLs online for free. Percent-encode special characters for safe URLs, or decode %XX sequences back to readable text. Runs 100% in your browser.
Finance & Trading
Build an Options Activity Scanner With Python and Free Data
Build a free unusual options activity scanner in Python using Tradier, yfinance, or Polygon. 200 lines, runs on a Raspberry Pi.
DevOps
Full Stack Monitoring: Grafana, Prometheus & Loki Setup
TL;DR: Full stack monitoring is essential for modern architectures, encompassing infrastructure, applications, and user experience. A security-first approach ensures that monitoring not only detects performance issues but also safeguards against threats. By integrating DevSecOps principles,…
Tools & Setup
Free Hash Generator — MD5, SHA-1, SHA-256, SHA-512 Online
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes online for free. Check file integrity, verify downloads, or hash passwords. Runs in browser — your data stays private.
Tools & Setup
Free Base64 Encoder & Decoder Online
Encode text to Base64 or decode Base64 to plain text online for free. Supports UTF-8. No signup required. Fast, private, runs entirely in your browser.
Tools & Setup
Free Online JSON Formatter & Validator
Format, validate, and pretty-print JSON online for free. No signup required. Paste your JSON, get clean formatted output with syntax highlighting and error detection.
Deep Dives
I Built a Base64 Tool That Fixes Frustrating Alternatives
Debugging a Base64-encoded error message buried inside a JSON response shouldn't require pasting sensitive production data into a random website. Most online Base64 tools are bloated with ads, send your data to a server, or…
Homelab
Docker CVE-2026-34040: 1MB Request Bypasses AuthZ Plugin
CVE-2026-34040 lets attackers bypass every Docker AuthZ plugin with a single 1MB request. Here's what's broken, how to check if you're vulnerable, and what I changed on my own homelab to fix it.
DevOps
Kubernetes Security Best Practices by Ian Lewis
TL;DR: Kubernetes is powerful but inherently complex, and securing it requires a proactive, layered approach. From RBAC to Pod Security Standards, and tools like Falco and Prometheus, this guide covers production-tested strategies to harden your…
Homelab
TrueNAS Setup Guide: Enterprise Security at Home
TL;DR: TrueNAS is a powerful storage solution for homelabs, offering enterprise-grade features like ZFS, encryption, and snapshots. This guide walks you through setting up TrueNAS securely, from hardware selection to implementing firewalls and VPNs. By…
Finance & Trading
Track Congress Trades with Python & Free SEC Data
Build a Python script that tracks US congressional stock trades from public SEC filings. Free data, no paid APIs needed.
Homelab
OpenClaw Setup: Zero to Autonomous AI Mastery
Complete guide to setting up an autonomous OpenClaw AI agent. Includes 5 SOUL.md templates, 30 cron patterns, memory protocol guide, and revenue automation blueprint.
DevOps
GitOps vs GitHub Actions: Security-First in Production
Migrating from GitHub Actions-only deployments to a hybrid GitOps setup with ArgoCD changes your security posture fundamentally—but the tradeoffs aren't obvious until you've lived with both in production. The shift affects secret management, drift detection,…
Homelab
Secure TrueNAS Plex Setup for Your Homelab
Learn how to set up Plex on TrueNAS with enterprise-grade security practices tailored for home use. Protect your data while enjoying smooth media streaming. Quick Answer: To securely run Plex on TrueNAS, create a dedicated…
Homelab
Stop Ngrok Tunnels: Enterprise Security at Home
Learn how to securely stop Ngrok tunnels using enterprise-grade practices scaled down for homelab environments. Protect your home network with these practical tips. Quick Answer: Instead of exposing your homelab services through ngrok tunnels, use…
Tools & Setup
CSS Gradient Builder: Fixing Annoyances of Existing Tools
Conic gradients are the forgotten sibling of CSS gradients—every online gradient builder handles linear and radial, but try generating a conic gradient for a loading spinner and you're hand-writing CSS from MDN docs. That gap…
Homelab
Free VPN: Cloudflare Tunnel & WARP Guide (2026)
Complete guide to building a free VPN using Cloudflare Tunnel, WARP, and Zero Trust. Covers Docker setup, private network routing, split tunneling, and security hardening. Free for up to 50 users.
DevOps
Pod Security Standards: A Security-First Guide
Kubernetes Pod Security Standards 📌 TL;DR: I enforce PSS restricted on all production namespaces: runAsNonRoot: true, allowPrivilegeEscalation: false, all capabilities dropped, read-only root filesystem. Start with warn mode to find violations, then switch to enforce.…
DevOps
I Tested ArgoCD and Flux Side by Side — Here’s What Won for Secure GitOps
I run ArgoCD on my TrueNAS homelab for all container deployments. Every service I self-host — Gitea, Immich, monitoring stacks, even this blog’s CI pipeline — gets deployed through ArgoCD syncing from Git repos on…
Security
OAuth vs JWT: Choosing the Right Tool for Developers
I’ve implemented both OAuth and JWT in production systems across my career—from enterprise SSO rollouts to lightweight API auth for side projects. The single most common mistake I see? Treating OAuth and JWT as the…
Security
PassForge: Building a Password Workstation Beyond One Slider
Generate passwords, passphrases, test strength, and bulk-generate — all in one privacy-first browser tool with zero dependencies.
Homelab
Enterprise Security at Home: Wazuh & Suricata Setup
I run Wazuh and Suricata on my home network. Yes, enterprise SIEM and IDS for a homelab—it's overkill by any reasonable measure. But after catching an IoT camera phoning home to servers in three different…
Security
YubiKey SSH Authentication: Stop Trusting Key Files on Disk
Configure FIDO-backed OpenSSH keys with correct macOS requirements, recovery planning, and agent-forwarding tradeoffs.
Deep Dives
Master Docker Container Security: Best Practices for 2026
Your staging environment is a dream. Every container spins up flawlessly, logs are clean, and your app hums along like a well-oiled machine. Then comes production. Suddenly, your containers are spewing errors faster than you…
Deep Dives
Pre-IPO API: SEC Filings, SPACs & Lockup Data
I built the Pre-IPO Intelligence API because I needed this data for my own trading systems and couldn’t find it in one place. If you’re building fintech applications, trading bots, or investment research tools, you…
Security
Browser Fingerprinting: Identify You Without Cookies
How Canvas API, AudioContext, and WebGL fingerprint your browser without cookies. Code examples, entropy measurements, and what actually defends against it.
Tools & Setup
Privacy-Focused Diff Checker: No Text Upload Required
Every popular online diff tool either uploads your text to a server or paywalls basic features. I built DiffLab: a single-file, zero-dependency diff checker that runs entirely in your browser with character-level highlighting and keyboard…
Deep Dives
CVE-2025-53521: F5 BIG-IP APM RCE — CISA Deadline 3/30
CVE-2025-53521 was reclassified from DoS to RCE with active exploitation confirmed. F5 BIG-IP APM vulnerability added to CISA KEV with March 30 deadline. Detection commands, IOC checks, and mitigation steps for your BIG-IP fleet.
Deep Dives
CVE-2026-3055: Citrix NetScaler Token Theft — Patch Now
CVE-2026-3055 is a CVSS 9.3 memory overread in Citrix NetScaler ADC and Gateway. Attackers are already using it to steal admin session tokens via crafted SAML requests. CISA deadline is today. Here is what to…
Tools & Setup
Git Worktrees: The Feature That Killed My Stash Habit
Git worktrees let you check out multiple branches in separate directories. Here's how I use them for code reviews, hotfixes, and parallel work.
DevOps
Mastering Kubernetes Security: Network Policies &
Network policies are the single most impactful security control you can add to a Kubernetes cluster — and most clusters I audit don’t have a single one. After implementing network segmentation across enterprise clusters with…
Homelab
UPS Battery Backup: Sizing, Setup, and NUT on TrueNAS
Size a UPS from measured load and configure the documented NUT secondary-first shutdown sequence in current TrueNAS SCALE.
Finance & Trading
Insider Trading Detector with Python & Free SEC Data
Detect insider buying clusters from SEC EDGAR Form 4 filings using Python and edgartools. Free, no API key. Complete working code included.
Finance & Trading
Track Pre-IPO Valuations: SpaceX, OpenAI & More
Track implied valuations for SpaceX ($2T), OpenAI ($1.3T), and 19 more pre-IPO tech companies using a free API that analyzes publicly traded closed-end fund data.
Tools & Setup
RegexLab: Free Offline Regex Tester With 5 Modes Regex101 Doesn’t Have
I built a privacy-first regex tester with a multi-test-case runner because I got tired of sending production data to Regex101's servers. Here's how it works.
Security
Docker Compose vs Kubernetes: Secure Homelab Choices
Moving a homelab from Docker Compose to Kubernetes is a rite of passage that breaks half your services and teaches you why orchestration complexity exists. The real question isn't which is better—it's where the security…
Finance & Trading
5 Best Finance APIs for Tracking Pre-IPO Valuations in 2026
Compare the top APIs for tracking private company valuations, including SpaceX, OpenAI, and Anthropic. Free and paid options for fintech developers.
Homelab
Best Drives for TrueNAS 2026: HDDs, SSDs, and Pool Roles
Plan TrueNAS storage by workload, vdev layout, exact drive specifications, recovery time, and independent backups.
Security
CVE-2026-20131: Cisco FMC Zero-Day Exploited by Ransomware
Interlock ransomware exploits CVE-2026-20131, a CVSS 10.0 Cisco FMC zero-day enabling root access via insecure deserialization. Learn how to defend now.
Deep Dives
Claude Code Leak: npm Security, TypeScript, AI Architecture
When source maps for a major AI coding tool leaked via an npm package, I spent a week analyzing what was exposed and how it happened. The leak revealed internal architecture, agent orchestration patterns, and…
DevOps
Securing Kubernetes Supply Chains with SBOM & Sigstore
Secure your Kubernetes supply chain with SBOMs and Sigstore. Production-proven approach to container image signing, verification, and DevSecOps compliance.
Homelab
Self-Host Ollama: Local LLM Inference on Your Homelab
Run Ollama on your homelab for free local LLM inference. Real benchmarks, hardware recs, and setup guide from Mac Mini to RTX 3090.
Homelab
Backup & Recovery: Enterprise Security for Homelabs
Apply enterprise-grade backup and disaster recovery to your homelab. Covers 3-2-1 strategy, automated snapshots, off-site replication, and restore testing.
Deep Dives
Securing GitHub Actions: OIDC, Least Privilege, & More
Did you know that 84% of developers using GitHub Actions admit they’re unsure if their workflows are secure? That’s like building a fortress but forgetting to lock the front gate. And with supply chain attacks…
Security
Penetration Testing Basics for Developers
Learn penetration testing basics as a developer. Integrate security testing into your workflow with practical techniques for finding vulnerabilities early.
Deep Dives
Terraform Security: Encryption, IAM & Drift Detection
What happens when your Terraform state file ends up in the wrong hands? Spoiler: it’s not pretty, and your cloud environment might as well send out party invitations to every hacker on the internet. Keeping…
Tools & Setup
HashForge: Privacy-First Hash Generator for All Algos
Meet HashForge — a privacy-first hash generator showing MD5, SHA-256, and more simultaneously. Runs entirely in your browser with zero data collection.
Tools & Setup
JSON Forge: Privacy-First JSON Formatter in Your Browser
I built JSON Forge — a blazing fast, privacy-first JSON formatter that runs 100% in your browser. Zero dependencies, dark mode, PWA, keyboard-driven. Here's why and how.
Security
TeamPCP Supply Chain Attacks on Trivy, KICS & LiteLLM
TeamPCP poisoned Trivy, KICS, and LiteLLM via supply chain attacks. Full timeline, affected versions, and steps to protect your CI/CD pipeline from threats.
Tools & Setup
Parse JPEG EXIF Data in Browser With Zero Dependencies
Learn how JPEG EXIF parsing actually works at the binary level. Build a metadata reader in pure JavaScript — no libraries, no server, no uploads.
Tools & Setup
I Benchmarked 5 Image Compressors With the Same 10 Photos
I tested TinyPNG, Squoosh, Compressor.io, iLoveIMG, and QuickShrink with 10 identical photos. Here are the real compression ratios, speeds, and privacy results.
Tools & Setup
Pomodoro Technique Works Better With Gamified Timers
The Pomodoro Technique boosts focus — but only with the right timer. See how gamification transforms a simple 25-minute timer into a productivity engine.
Tools & Setup
5 Free Browser Tools That Replace Desktop Apps
Replace Photoshop, Notepad++, and desktop utilities with 5 free browser tools. No downloads, no sign-ups — just open a tab and start working right away.
Tools & Setup
How to Remove GPS Location from Photos Before Sharing Online
Your phone embeds GPS coordinates in every photo. Learn how to remove location metadata before sharing images online to protect your privacy for free.
Tools & Setup
Compress Images Without Losing Quality (Free Tool)
Compress JPEG and PNG images up to 80% smaller without visible quality loss using free browser tools. No uploads to servers — your files stay 100% private.
Tools & Setup
NoiseLog: A Sound Meter App for Noisy Neighbors
NoiseLog is a browser-based sound meter I built to track noisy neighbors. Uses the Web Audio API with real-time dB logging and zero data collection.
Tools & Setup
FocusForge: How Gamification Tricked Me Into Deep Focus
FocusForge adds XP, levels, and streaks to the Pomodoro Technique. How gamification turned a simple timer into my most effective deep focus tool.
Tools & Setup
TypeFast: Snippet Manager Without Electron Bloat
TypeFast is a lightweight snippet manager for developers who hate bloated Electron apps. Keyboard-driven, instant search, and under 5 MB total size.
Tools & Setup
PixelStrip: Stop Photos Broadcasting Your Location
PixelStrip removes EXIF metadata from photos before sharing. Strips GPS, camera info, and timestamps entirely in your browser — nothing gets uploaded.
Tools & Setup
QuickShrink: Browser Image Compressor, No Uploads
I built QuickShrink to compress images without uploading them. Runs 100% in your browser using canvas APIs — fast, private, and free to use.
Homelab
Secure Remote Access for Your Homelab
Set up secure remote access for your homelab using enterprise-grade practices. Covers VPN, SSH hardening, reverse proxies, and zero trust architecture.
Security
Open Source Security Monitoring for Developers
Discover open source security monitoring tools for developers. Bridge the gap between engineering and security with practical, self-hosted solutions.
DevOps
Kubernetes Secrets Management: A Security-First Guide
Most Kubernetes secrets are dangerously insecure by default. Learn sealed secrets, external vaults, RBAC policies, and encryption-at-rest best practices.
Finance & Trading
AI Market Signals: What Stock Trends Say This Week
Our AI narrative detection shifted from MIXED to WAR_CRISIS this week. Oil surged 59%, geopolitical risk hit 91.2/100, and the rotation signals are screaming: defense, energy, gold in — tech out.
DevOps
Kubernetes Security Checklist for Production (2026)
A comprehensive Kubernetes security checklist for production in 2026. Covers RBAC, network policies, image scanning, runtime security, and audit logging.
DevOps
GitOps Security Patterns for Kubernetes
Production-proven GitOps security patterns for Kubernetes. Covers sealed secrets, policy-as-code, drift detection, and secure ArgoCD configurations.
Finance & Trading
Engineer’s Guide to RSI, Ichimoku, Stochastic Indicators
Deep dive into RSI, Ichimoku, and Stochastic indicators with Python code. Covers the math, signal generation, and backtesting for quantitative traders.
Security
Secure Coding Patterns for Every Developer
Practical secure coding patterns every developer should know. Covers input validation, auth flows, secrets handling, and defense-in-depth strategies.
DevOps
Secure C# ConcurrentDictionary for Production
Production-ready C# ConcurrentDictionary with a security-first approach. Covers thread safety, DoS-resistant patterns, and DevSecOps best practices.
Deep Dives
Self-Hosted GitOps Pipeline: Gitea + ArgoCD Guide
Build a self-hosted GitOps pipeline with Gitea and ArgoCD. Step-by-step guide covering Git setup, CI/CD integration, secrets, and automated deployments.
Deep Dives
Why AI Makes Architecture the Only Skill That Matters
AI writes code faster than ever, but architecture skills matter more. Why system design is the moat that separates senior engineers from the rest.
Deep Dives
Vibe Coding Is a Security Nightmare: How to Fix It
AI-generated code is a security minefield. Learn how to audit vibe-coded PRs, catch hidden vulnerabilities, and build secure code review workflows.
Tools & Setup
Claude Code Review: My Honest Take After 3 Months
Honest review of Claude Code after 3 months of daily use. Covers real productivity gains, limitations, and how it compares to Copilot and Cursor.
DevOps
Boost C# ConcurrentDictionary Performance in Kubernetes
Learn how to optimize C# ConcurrentDictionary for high performance in Kubernetes. Explore thread safety, scalability, and best practices for developers.
Homelab
Home Network Segmentation with OPNsense: A Complete Guide
Segment your home network with OPNsense for better security. Complete guide to VLANs, firewall rules, IoT isolation, and guest network configuration.
Finance & Trading
Risk Management & Position Sizing for Traders
Master risk management and position sizing to protect your trading capital. Covers Kelly criterion, volatility-based sizing, and max drawdown strategies.
Security
Threat Modeling Made Simple for Developers
Learn threat modeling as a developer with practical, simplified techniques. Covers STRIDE, data flow diagrams, risk scoring, and actionable mitigations.
Tools & Setup
Plan a 2.5GbE Homelab Upgrade Without Missing a 1GbE Link
Audit every NIC, cable, switch port, uplink, and storage endpoint before buying a 2.5GbE upgrade.
War Stories
How to Protect Your Homelab from Dust: A Practical Guide
Protect your homelab hardware from dust damage with practical filtration, airflow management, and maintenance tips. Prevent overheating and extend uptime.
Tools & Setup
Homelab Hardware Guide: A Workload-First Plan for 2026
Plan homelab compute, storage, networking, power, security, and recovery from explicit workload requirements.
DevOps
Scaling GitOps Securely: Kubernetes Best Practices
Learn best practices for scaling GitOps securely in Kubernetes. Covers RBAC, secrets management, policy enforcement, and multi-cluster security patterns.
Security
Mastering Secure Coding: Practical Techniques for Developers
Master secure coding techniques with practical examples. Covers input validation, authentication, secrets management, and common vulnerability prevention.
Security
Mastering Incident Response Playbooks for Developers
Design effective incident response playbooks for developer teams. Covers triage workflows, communication templates, escalation paths, and post-mortems.
Finance & Trading
Algorithmic Trading: A Practical Guide for Engineers
A practical guide to algorithmic trading for software engineers. Covers backtesting, strategy design, risk management, and live deployment with Python.
Finance & Trading
Advanced Options Strategies for Engineers: A Practical Guide
Advanced options strategies explained for engineers. Covers spreads, Greeks, volatility trading, hedging techniques, and Python implementation examples.
Security
Zero Trust for Developers: Secure Systems by Design
Implement Zero Trust architecture as a developer. Covers identity verification, micro-segmentation, least privilege, and practical integration patterns.
DevOps
Kubernetes Autoscaling: Master HPA and VPA
Master Kubernetes Horizontal and Vertical Pod Autoscalers. Learn HPA and VPA configuration, metrics tuning, and scaling strategies for production.
DevOps
Docker Memory Management: Prevent OOM Errors
Prevent Docker container OOM kills by configuring memory limits correctly. Learn cgroup settings, monitoring tools, and resource optimization strategies.
Deep Dives
From Layoff to Launch: Start a Startup After Setbacks
Turned a layoff into a startup launch. Practical advice on validating ideas, building MVPs, finding co-founders, and funding your venture after job loss.
Security
.htaccess Upload Exploit in PHP: How Attackers Bypass File Validation (and How I Stopped It)
Prevent .htaccess exploits in PHP file uploads. Learn validation techniques, MIME checking, directory permissions, and server-side security best practices.
JavaScript
JavaScript getDay Method: Complete Developer Guide
Master JavaScript's getDay() method for date handling. Covers weekday mapping, localization, common pitfalls, and practical examples for web developers.
Deep Dives
Advanced CSS Optimization for Peak Web Performance
Boost website speed with advanced CSS optimization. Covers critical CSS extraction, unused style removal, selector performance, and rendering optimization.
Python
Python Optimization: Proven Tips for Performance
Speed up Python code with proven optimization techniques. Covers profiling, algorithmic improvements, caching, NumPy vectorization, and memory management.
JavaScript
JavaScript Optimization: Tips to Boost Performance
Optimize JavaScript performance with practical tips. Covers DOM manipulation, event delegation, lazy loading, Web Workers, and memory leak prevention.
Azure & Cloud
CosmosDB Performance: Ultimate Optimization Guide
Maximize CosmosDB performance with partition key design, indexing policies, query optimization, and throughput tuning. Real-world tips from production use.
Deep Dives
Mastering MySQL Performance: Expert Optimization Techniques
Optimize SQL Server queries with execution plan analysis, index tuning, query rewriting, and parameter sniffing fixes. Practical tips for DBAs and developers.
Deep Dives
MySQL 8 vs 7: Key Upgrades and Migration Tips
Compare MySQL 8 and MySQL 7 features including CTEs, window functions, JSON improvements, and default authentication changes. Plus migration tips.
JavaScript
Text-to-Speech in JavaScript: A Complete Guide
Add text-to-speech to your web app using the JavaScript Speech Synthesis API. Covers voice selection, rate control, events, and cross-browser support.
C# & .NET
C# Performance: Using const and readonly Effectively
Boost C# performance with const and readonly. Learn when to use each, how the compiler optimizes them, and real benchmarks showing the speed difference.
C# & .NET
C# Performance Deep Dive: Value Types vs Reference Types
Understand JavaScript hoisting for var, let, const, and functions. Clear examples showing the temporal dead zone, common pitfalls, and best practices.
C# & .NET
C# Fixed Keyword: Memory Stability & Performance
Use the C# fixed keyword to pin objects in memory and avoid GC relocation. Learn unsafe pointer access, performance gains, and when fixed is appropriate.
Finance & Trading
Stochastic Oscillator in JavaScript for Scalping
Implement the Stochastic Oscillator in JavaScript for crypto and stock scalping. Covers %K, %D calculation, signal generation, and backtesting logic.
Finance & Trading
Bull Call & Bear Put Spreads: JavaScript Calculator
Build a bull call and bear put spread calculator in JavaScript. Computes max profit, max loss, breakeven points, and visualizes the payoff diagram.
Finance & Trading
Option Pricing in JS: Forward Implied Volatility
Price options using forward implied volatility in JavaScript. Covers term structure interpolation, vol surface modeling, and Black-Scholes adjustments.
Finance & Trading
Iron Butterfly Options: Profit Probability in JS
Calculate iron butterfly profit probability with JavaScript. Covers strike selection, max profit/loss, breakeven points, and Monte Carlo simulation.
Deep Dives
Anker 747 GaNPrime Charger: Multi-Device Review
In-depth review of the Anker 747 GaNPrime 150W charger. Covers multi-device charging, port allocation, travel-friendliness, and real-world performance.
Finance & Trading
Iron Condor Profit & Probability with JavaScript
Calculate iron condor profit and probability with JavaScript. Covers strike selection, max gain/loss, breakeven points, and risk-reward visualization.
Finance & Trading
Linear Regression: A Beginner-Friendly Guide
Learn linear regression from scratch with clear math, Python examples, and real datasets. Perfect for beginners entering machine learning and data science.
C# & .NET
C# Performance: 5 Strategies to Optimize Your Code
Improve C# application performance with 5 proven strategies. Covers async/await, Span, pooling, LINQ optimization, and benchmarking with BenchmarkDotNet.
Finance & Trading
Python Finance: Option In-the-Money Probability
Calculate the probability of an option finishing in the money using Python. Covers Black-Scholes, Monte Carlo simulation, and real market data examples.
C# & .NET
LINQ Lazy Evaluation: Tips, Pitfalls & Practices
Avoid LINQ lazy evaluation pitfalls in C#. Learn deferred execution, multiple enumeration bugs, materialization strategies, and debugging best practices.
Finance & Trading
Monte Carlo Simulations in JS for Finance
Run Monte Carlo simulations in JavaScript for stock price forecasting and portfolio risk analysis. Covers random walks, confidence intervals, and charting.
Finance & Trading
Ichimoku Cloud in JavaScript: A Trader’s Guide
Build an Ichimoku Cloud indicator in JavaScript for trading. Covers Tenkan, Kijun, Senkou Span calculation, signal interpretation, and chart rendering.
Finance & Trading
Mastering RSI Calculation in JavaScript for Smarter Trading
Calculate the Relative Strength Index (RSI) in JavaScript from scratch. Covers the math, smoothing methods, signal interpretation, and trading integration.
JavaScript
Mastering SHA-256 Hashing in JavaScript Without Libraries
Compute SHA-256 hashes in JavaScript without external libraries. Learn the Web Crypto API, ArrayBuffer handling, and when to use native browser hashing.
Azure & Cloud
Microsoft Graph API with JavaScript: Full Guide
Call Microsoft Graph API from JavaScript with authentication, token management, and paginated requests. Full examples for mail, calendar, and user data.
Quick Wins
Launch Edge with Specific Profiles via Command Line
Launch Microsoft Edge with a specific browser profile from the command line. Useful for automation, testing, and managing multi-account workflows.
Quick Wins
Restore Full Right-Click Menu in Windows 11
Bring back the classic right-click context menu in Windows 11 with a simple registry tweak. No third-party software needed — works on all editions.
Azure & Cloud
Mastering Azure CLI: Complete Guide to VM Management
Master Azure CLI for virtual machine management. Covers VM creation, start/stop, resize, disk management, and automation scripts for cloud operations.
Python
Install Python pip on CentOS Core Enterprise
Step-by-step guide to install Python pip on CentOS Core Enterprise. Covers EPEL setup, Python version management, virtualenv, and troubleshooting tips.
Python
How to Make HTTP Requests Through Tor with Python
Route HTTP requests through the Tor network using Python. Covers SOCKS proxy setup, session handling, circuit rotation, and privacy best practices.
Quick Wins
How to Extract and Work with HTML Using the Browser Console
Extract and inspect HTML source code using your browser's developer console. Learn DOM traversal, element selection, and live editing for web debugging.
Homelab
Set Up Elasticsearch and Kibana on CentOS 7
Install and configure Elasticsearch and Kibana on CentOS 7. Covers Java setup, cluster configuration, index management, and Kibana dashboard basics.
Azure & Cloud
Azure Service Bus with Python REST API (No SDK)
Send and receive Azure Service Bus messages using Python REST API without the SDK. Covers SAS token generation, queue operations, and error handling.
C# & .NET
C# ConcurrentDictionary: Performance Best Practices
Optimize C# ConcurrentDictionary for high-throughput scenarios. Covers partitioning, lock contention, sizing strategies, and thread-safe update patterns.
Quick Wins
Mastering `scp`: Securely Transfer Files Like a Pro
Master the scp command for secure file transfers between servers. Covers syntax, recursive copy, port configuration, key-based auth, and common examples.
Quick Wins
Remote Command Execution with SSH: Complete Guide
Execute commands and scripts on remote servers via SSH. Covers single commands, heredoc scripts, key-based auth, error handling, and automation tips.
Homelab
Expert Guide: Migrating ZVols and Datasets Between ZFS Pools
Move ZFS ZVols and datasets between pools safely. Step-by-step guide covering snapshots, zfs send/receive, verification, and avoiding common data loss.
Homelab
Setup k3s on CentOS 7: Easy Tutorial for Beginners
Learn how to setup k3s on CentOS 7 with this step-by-step tutorial. Perfect for beginners looking for a lightweight Kubernetes solution.
Homelab
Configure a Used Aruba S2500 Switch for Home Use
Set up a used Aruba S2500 enterprise switch for home networking. Covers factory reset, stacking port removal, VLAN config, and PoE optimization tips.
JavaScript
Async to Promise Conversion in JavaScript Guide
Convert async/await functions to Promises in JavaScript. Covers patterns, error handling, chaining, and when to use each approach in real-world projects.