JSS Mass Update Tool
Did you ever try to mass update assets in JSS?
Even if you like to use the API, you might be more comfortable using Michael Levenick's Tool: JSS MUT.
Read MoreCasper: Forget a package
Forgetting a package is a good way to troubleshoot some behaviours. It doesn't install anything, but the computer will believe the package was never installed.
Installer.app/SWU
For OS X packages, installed by Installer.app or Software update, simply use sudo pkgutil --forget [package_id]. You can list current installed packages with pkgutil --pkgs
This will get updated at next recon to Inventory > Package Receipts > Installer.app/SWU.
Casper Suite
To change this (unrelated) list, you need to delete the relevant file in /Library/Application Support/JAMF/Receipts, then do a sudo jamf recon
Again, this doesn't do anything but change inventory.
JSS: AutoPkg: Add Local Repositories
Read this to add a local repository for JSSImporter with AutoPkgr.
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