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Computer BasicsHardware, mice and keyboards, files, browsers, email and staying safe online.44 resources · 7 sectionsWindowsSet up, update, secure and repair Windows 10 and 11.99 resources · 13 sectionsWindows HacksRegistry tweaks, Group Policy settings, hidden commands and the tools power users rely on — plus how to undo them.18 resources · 1 sectionsmacOSFind your way around a Mac, keep it updated, and fix what breaks.71 resources · 11 sectionsLinuxPick a distro, install it, and get comfortable with the terminal.47 resources · 9 sectionsiPhoneSetup, settings, backups, battery and fixes for iPhone and iOS.62 resources · 8 sectionsAndroidSetup, settings, backups, battery and fixes for Android phones.51 resources · 8 sectionsEssentialsCross-platform know-how: Wi-Fi, passwords, scams, backups, printers, accessibility.59 resources · 7 sectionsScripting & AutomationFrom your first script to scheduled jobs: PowerShell, batch, zsh/bash, AppleScript, Shortcuts, cron and launchd.37 resources · 7 sectionsServers & Self-HostingHome servers, NAS shares, Docker, remote access, virtual machines and camera/NVR setups.52 resources · 8 sectionsDomains, DNS & CertificatesBuy and point a domain, understand DNS records, get HTTPS certificates, host a site, run a reverse proxy.47 resources · 6 sectionsDeep CutsHard-to-find fixes and obscure how-tos, many from forum answers by people who figured them out.70 resources · 7 sections