IT / Computing / Electronics

Quick Learning

• Learn X in Y Minutes - any programming language in a few minutes
• Roadmap.sh

Docker / Kubernetes

• LinuxServer - community maintained docker images
• The New Stack
• Kubernetes the Hard Way using VMs
• Kubernetes the hard way - Kelsey Hightower

Ansible

• Ansible Vault
• https://faun.pub/https-medium-com-mikhail-advani-secret-management-with-ansible-3bfdd92472ef
• https://www.redhat.com/sysadmin/ansible-playbooks-secrets

IT Security/CyberSecurity

• CompTIA CySA+ Full Course - free youtube video 58 parts series
• Terraform Associate Certification Full Course - youtube video (free)
• Kubernetes for Absolute Beginners
• Dark Reading
• TryHackMe
• PicoCTF
• CFTime
• LetsDefend - build a blue team career with hands-on experience by investigating real cyber attacks inside a simulated SOC
• OverTheWire
• Root Me - challenge your hacking skills
• Hacker Combat
• HaveIBeenPawned - FREE site to check if your email or phone is in a breach.
• Reverse Tabnabbing - links exploit prevention
• MISP - Malware Information Sharing Platform
• VirusTotal - Threat Hunting
• Tallos Intelligence - from Cisco
• Google Toolbox
• Health ISAC - Healthcare Info Sharing and Analysis Center
• Financial ISAC - Financial Info Sharing and Analysis Center
• Aviation ISAC - Aviation Info Sharing and Analysis Center
• US Govt MultiState ISAC
• US Govt Elections ISAC
• Critical Infrastructure Sectors
• Live Malware: The Zoo
• Empire Project
• STIX and TAXII - Sharing threat intelligence standards
• Johari Window Model - Need to know in sharing threat intelligence
• Shodan - Search Anything for the Internet of Everything
• Maltego - for gathering OSInt (Open Source Intelligence)
• Recon NG
• FM 2-22.3 Human Intelligence Collector Operations
• Known Advanced Persistent Thread Groups - c/o FireEye
• CAPEC - Common Attack Pattern Enumerations and Classifications (CAPEC™)
• CWE - Common Weakness Enumeration
• OVAL - Open Vulnerability and Assessment Language
• SCAP - Security Content Automation Protocol
• CPE - Common Platform Enumeration
• SnipeIT - Best opensource asset management
• Henri Parkkinen Blog - good insights from a veteran in Cybersecurity
• KERnano: no-install pentesting tool
• Pretty Powershell
• Unshorten URL - checks shortened URLs for malicious intents.
• Hexway Pentesting Tools - consolidated and downloadable Tools
• Open Source Vulnerability Management - OSV from Google
• REMnux - REMnux: A Linux Toolkit for Malware Analysis
• TheHive - Opensource Security Operations Center
• Yara - The pattern matching swiss knife for malware
• Tuning Graylog
• OSQuery - sql query for logs but seems that graylog is better
• OpenEDR - Endpoint Detection and Response
• sn1per - Most Advanced Automated Penetration Testing Tool – 2023
• DataSurgeon - Open source tool to Quickly Extracts IP’s, Email Addresses, Hashes, Files, Credit Cards, Social Secuirty Numbers and more from text
• Pentest Monkey - Taking the monkey work out of pentesting
• DefectDojo - a DevSecOps vulnerability management tool
• Open Source Security Index - DevSecOps search index

Cryptocurrencies

• Coin Desk - crypto news
• Coin Telegraph - crypto news
• Decrypt - crypto news
• The Defiant - crypto news (mostly about DeFi or Decentralized Finance)
• Nexo - earn interest with your crypto here, paid daily
• Celsius Network - competitor of Nexo, will also let you earn interest paid weekly but curreently undergoing Bankrupcy Proceedings
• StakeCube - dead as of Jan 2023
• CoinGecko - best crypto historical price aggregator. For alternative, use CoinMarketCap
• Panthera Capital Blockchain Letters - Panthera Capital newsletter
• Viewbase Funding Rate
• Defi Llama
• Staking Theta
• Optimistic Rollup Explained
• NFT Evening
• DApp Radar - Discover, Track & Trade Everything DeFi, NFT and Gaming
• DEXScreener - tool to screen DEX (Decentralized Exchanges)
• DogeChain - POS-based layer-2 chain to allow DOGE to benefit from DeFi, NFT as wDOGE
• MEV Explorer
• Capital Market Insights - crypto related
• Web3 Careers
• MATIC: Mint NFT Today - easy minting of NFT via Polygon and with zero gas fees. Read this article for details.
• NFT School
• ChainList - verify authenticity of a Chain by checking it’s Chain ID
• ImmutableX - Up and coming L2 blockchain (free gas fees and competitor to Polygon)
• GoPhish - Open-Source Phishing Framework

Ethereum-Specific

• Ethereum Blocktime - approx every 13 seconds
• What is gas in Ethereum - you may also see the gas report
• Ethereum Average Gas Price
• Ethereum Gas Tracker
• Ethereum Local Dev Environments
• Ethereum Dev using Python
• Setup Private Ethereum Testnet
• Learn Solidity - Youtube
• Remix - Online Ethereum IDE
• Solidity Documentation
• L2 Fees - tracking of L2 Blockchain fees

Favorite Crypto Platforms important links

• Nexo - Minimum crypto to earn interest
• Nexo - Minimum crypto to start fixed term
• Nexo - Minimum crypto to withdraw
• Nexo - crypto LTV
• Nexo - Loyalty Programs
• Nexo - processing time
• Nexo - 0% fees for loans
• Nexo - time to interest crediting
• ETH Burned Analytics: Watchtheburn

Opensource Aviation Data

• ADS-B Exchange - World’s largest source of unfiltered flight data

Android ROM

• Android Open Source Project
• AOS Extended
• CRDroid
• Lineage

Blogroll

• Focused Chaos
• Ivan Velichko - Learning Containers, Kubernetes, and Backend Development

Personal Crypto Charts (restricted)

• BTC Fear and Greed Index

• ETH/USDT
• BTC/USDT
• NEXO/USDT
• XLM/USDT
• LINK/USDT
• SOL/USDT
• AVAX/USDT
• MATIC/USDT
• ADA/USDT
• DOT/USDT
• BCH/USDT
• LTC/USDT
• DASH/USDT
• VET/USDT
• ALGO/USDT
• ZEC/USDT
• ZEN/USDT
• THETA/USDT
• ENJ/USDT
• VID/USDT
• HOT/USDT
• LUNA/USDT

Learn Python

• PyNative
• Learn Python in Y minutes
• Geospatial Analysis using Python

Learn Go

• Go By Example
• Learn Go in Y Minutes
• Go Web by Example - simple web development examples using golang
• Gophercises
• Golang Weekly
• Go Collectives on StackOverflow
• GoLang Mobile
• Go101 - best tutorial site so far, and offline mode is possible too. Just run ‘git clone https://github.com/go101/go101.git; go run .’
• GoLang By Example - confusingly similar to GoByExample but with more examples.
• GoLangBot Tutorial Series
• GoLangR - good tutorial with simple exercises for beginners
• Database Migration in Go
• Golang Tutorial Guide – A List of Free Courses to Learn the Go Programming Language

Learn Ruby

• 150 Ruby Articles by Jesus Castello
• Idiosyncratic Ruby - Documenting All Ruby Specialities
• The Definitive Ruby Tutorial For Complete Beginners

Basic Sysadmin Tools

OS-agnostic

• DNSChecker - checking DNS records
• Internet Archive - Cross-check how a site looks at some point in the past.
• WhoisXMLAPI - FREE version good enough hints for domain history. Cross-check with the Internet Archive.
• SSLLabs - FREE checker on properly setup https cert for a site.
• 1.1.1.1 by Cloudflare - FREE Public DNS by cloudflare
• Google Public DNS
• Data Center Knowledge
• DBAN - Free Open-Source Data Wiping Software for Personal Use

Linux-specific

• Rocky Linux - de-facto successor of CentOS

Windows-specific

• MSYS2 - When you’re in Windows that doesn’t support WSL and you want a better Unix-like CLI. This is better than Cygwin.
• GreenShot - open-source screenshot solution for Windows

Others

• DBeaver - Universal Database Tool
• Matomo - Opensource alternative to Google Analytics - used by Ethereum Remix
• AMD Ryzen vs Intel i-series comparison

Practical Frameworks

• HTMLy - flat-file CMS that allows you to create a fast, secure, and powerful website or blog in seconnds.

Web Dev / Accessibility

• Docksal - best tool for local web development without learning the nitty gritty docker and docker-compose things
• WhoCanUse - Who can use this color combination?
• Provus - Promet’s opensource framework for Drupal 8/9. I implemented the current automatic drupal core upgrade functionality.
• Photopea - FREE Photoshop-like tool on the web
• CanIUse
• ExploringJS
• JavaScript.info - Learn Modern Javascript, easy to understand tutorial.
• JQuery Fundamentals

PHP

• Object Oriented PHP
• OOP from php.net manual

Laravel

• Laravel Tutorial for Beginners
• Tutorialpoint: Laravel
• LaraDock - a docker environment for Laravel like docksal

Symfony

• Tutorialpoint: Symfony
• Symfony 5: The Fast Track
• Download Symfony CLI

Bash scripting

• LinuxCommand.org - best concise tutorial to shell scripting
• shellscript.sh - useful tips are here
• shellcheck - shell linter and checker
• shellspec - writing shell script in TDD/BDD for a robust scripting. Check “examples”
• shellfmt - shell script formatter to make it readable. Has other functions but better delegate to shellspec and shellcheck
• shell-tips.com
• linuxhandbook.com/tag/bash-beginner
• sodocumentation.net/bash

Electronics

• Jemery Fielding Youtube
• BitStoc - Cebu-based electronics shop that has Arduino and Raspberry Pi
• CircuitRocks - PH-based electronics shop and also sells in Shopee and Lazada
• Plusivo.ph - Camarines, PH based electronics shop. Also sells in Shopee and Lazada
• MakerLab - PH-based electronics shop. Also sells in Shopee and Lazada
• LayadCircuits - Pinoy seller (Benguet based). Test buy ongoing.
• CreateLabz - Pinoy seller (Davao-based) but haven’t tested yet but seems good

Renewable Energy / Solar Appliances / PowerStation Backups

• How to Build Your Own DIY Solar System
• Greenfield 200W PowerStation - Php 5,389.00 as of Jan 20, 2022 (solar ready)
• GDLITE GERMAN 10 Solar Lights Emergency Lighting Kit German Design with 3 SMD Led Bulbs Radio and MP3 Player with USB Outlet and Solar Panel - Php 1,278.00 as of Jan 20, 2022
• Solar electric fan with charger and 2 bulbs direct 220v and solar panel charging fan - Php 1,549.00 (14inch version) as of Jan 20, 2022
• FlashFish 220V 200W Solar Generator 40800mAh Multi-Function Portable Big Capacity Power Station AC/DC/USB Output Solar Generator Emergency Power supply for CPAP Outdoor Adventure Laptop Powerbank - PHP 5,998.00 as of JN 20, 2022
• Flashfish 100W 18V Portable Solar Panel, Foldable Solar Charger with 5V USB 18V DC Output Compatible, Smartphones, Tablets and More - PHP 6,499.00 as of Jan 20, 2022 (check if usable by Promate 240)
• Flashfish 50W 18V Portable Solar Panel, Foldable Solar Charger with 5V USB 18V DC Output Compatible with Portable Generator, Smartphones, Tablets and More - PHP 4,699.00 as of Jan 20, 2022
• Promate 240s - 400W PowerStation - cheaper than dealer, Php 10,880.00 as of Jan 20, 2022
• Promate Titan-30C High Capacity Power Pack with Power Delivery and Quick Charge 3.0 - PHP 3,320.25 as of Jan 20, 2022

Productivity Tools

• Join MS Teams Meeting from Web
• ManageIQ - Cloud Infra Management software from RedHat (opensource)

Non-IT

Amazing things

• Atlas Obscura - definitive guide to the world’s hidden wonders.

Effective Communication

• Hemingway App - makes your writing bold and clear.

Learning Japanese

• Jisho - English to Japanese dictionary
• Duolingo - Learn any language. Very good for beginners, using this to learn Japanese.
• Kanshudo - alternative to Duolingo but Japanese specific.
• JLPT N5 Resources by Tanos.co.uk
• Katakana Charts
• Hiragana Charts
• Hiragana Mnemonic Chart - c/o Tofugu.com
• Katakana Mnemonic Chart - c/o Tofugu.com
• PunipuniJapan - kindergarten-like learning of Japanese. Printable trace guide via FREE subscription to their newsletter.
• ToFuGu
• NHK - Hiragana/Katakana with writing strokes
• Otsukaresama
• Japanese Particles Master