For those who prefer the terminal or need to automate the process, the tool is your best friend. Update Tenable Nessus Manager Plugins on an Offline System
Input the Challenge Code from Step 1 and your Activation Code (license key). download nessusupdateplugins all20targz new
By default, Nessus updates its plugins automatically from plugins.nessus.org . However, for systems in air-gapped or restricted environments , administrators must manually download the plugin archive and transfer it to the scanner. How to Download and Update all-2.0.tar.gz For those who prefer the terminal or need