If you are seeing this error: 1~# nmap -Pn www.example.org 2Starting Nmap 7.80 ( https://nmap.org ) at 2020-09-04 20:59 UTC 3Couldn't open a raw socket. Error: Permission denied (13) Most probably, installation was through Ubuntu's snap as follows: 1~# snap install nmap 2nmap 7.80 from Maximiliano Bertacchini …