Downloading new board definitions in the Arduino IDE’s board manager may fail due to certificates missing from the JRE certificate chain. This may for example happen with the ESP32 board, where the host dl.espressif.com is using a Let’s Encrypt certificate. The Let’s Encrypt root certificates can be added to the JRE keystore using the following instructions: https://drissamri.be/blog/2017/02/22/trusting-lets-encrypt-java/ Most interestingly, the…
Tag: macos
Preventing Finder from reopening windows on startup
By default, the macOS Finder re-opens all windows from the last session when logging in. The following LaunchAgent uses AppleScript to close all Finder windows on startup: Put it into ~/Library/LaunchAgents/com.example.CloseFinder.agent.plist and load it using launchctl load ~/Library/LaunchAgents/com.example.CloseFinder.agent.plist On the next startup, there should be no more open Finder windows from the last session.