install silnite7

This is the silent installation for the silnite7 installer found at https://eclecticlight.co/downloads/

curl "https://eclecticlightdotcom.files.wordpress.com/2022/06/silnite7.zip" -o /tmp/silnite7.zip
cd /tmp
unzip /tmp/silnite7.zip 
installer -pkg /tmp/silnite7/silniteInstaller.pkg -target /

run the binary to get information on the current state of updates:

/usr/local/bin/silnite am

Here is the zip file just in case the original is not available anymore: Download

Just in case you wonder:
Here is the explanation on “Why is my Mac’s Gatekeeper data so out of date?”