https://www.vulnhub.com/entry/nullbyte-1,126/ NullByte: 1This mentions the name of this release, when it was released, who made it, a link to 'series' and a link to the homepage of the release. It's common for an author to release multiple 'scenarios', making up a 'series' of machines to attack.www.vulnhub.com ReconnaissanceDiscovery└─$ sudo nmap -sn 192.168.45.0/24 ..