Zeek is an open-source network traffic analyzer, which is widely used by organizations as a network security monitor (NSM), as well as a network intrusion detection system.
Go to the following Ubuntu 20.04 Zeek Guide.MD
Go to the following Ubuntu 22.04 Zeek Guide.MD
For Confirming Installation type the following the terminal after completing the steps respective of your OS.
ls /opt/
You will find a directory named "zeek". Further confirmation can be obtained if the files exist in it by typing the following in your respective Terminal.
ls /opt/zeek/
Now to Getting Started with Zeek go to Getting Started.MD