How to keep a SmartDry dryer sensor working after the cloud shutdown, using an ESP32 with ESPHome to pull its BLE data into Home Assistant.
8 min read
I recently upgraded to macOS Monterey on my MacBook Pro. Unfortunately, I immediately had an issue in Mail.app where I was seeing "Your network preferences prevent content from loading privately."
2 min read
Apple TV can't log in to hotel captive portal WiFi. How to get it online by spoofing its MAC address from a Mac in Terminal, step by step.
4 min read
Apple removed telnet and ftp from macOS Mojave. How to restore the old Sierra binaries or use netcat to port-check devices instead.
2 min read
The UniFi Security Gateway registers DHCP clients in DNS under garbage Client Identifier names. How to work around its DNS limits.
6 min read
How to use one Let's Encrypt TLS certificate to secure SMTP, IMAP, and your web server on Ubuntu 16.04, with automatic certbot renewals.
7 min read
Safari Intelligent Tracking Prevention, encrypted Messages sync, anonymized HomePod data. Why Apple's WWDC 2017 privacy moves keep me all in.
3 min read
How to segment IoT devices like Hue, Sonos, and Ring onto their own network with Ubiquiti UniFi, keeping them away from your home LAN.
12 min read
How to get an email alert whenever an admin impersonates a user in ServiceNow, by logging the impersonation event and adding a notification.
4 min read
An executive's home PC got hit by CryptoLocker ransomware. How the infection works, what paying the ransom involves, and defense lessons.
8 min read
How to flash a Google Nexus 7 back to the stock Android ROM from OS X using the Android SDK, fastboot, and Google's factory images.
3 min read
How to root the Google Nexus 7 from OS X after the Jelly Bean 4.2.2 update, using the Android SDK, ClockworkMod Recovery, and SuperSU.
3 min read
Evernote and Dropbox compared on security, data integrity, search, and extras. Which service protects your data and when to use each.
4 min read
How to enable unattended upgrades on Ubuntu so security patches install themselves, with the apt config files and options explained.
3 min read