Check runnong ports ubuntu

$ sudo lsof -i -P -n
$ sudo lsof -i -P -n | grep LISTEN
$ doas lsof -i -P -n | grep LISTEN ### [OpenBSD] ###

sudo lsof -i -P -n | grep LISTEN
sudo netstat -tulpn | grep LISTEN
sudo ss -tulpn | grep LISTEN
sudo lsof -i:22 ## see a specific port such as 22 ##
sudo nmap -sTU -O IP-address-Here

Source: cyberciti.biz

Similar codes

0 vote126 views1 answer
Can blue jays tickets still be printed
TypeScript
2 votes112 views1 answer
Ts sorting
TypeScript
156 votes264 views6 answers
Javascript capitalize all words
TypeScript
46 votes167 views6 answers
Install requests python
TypeScript
5 votes122 views2 answers
Lofi hip hop beats cool
TypeScript
10 votes124 views3 answers
Typescript foreach
TypeScript
0 vote111 views1 answer
Jane and the Frost Giants "c++"
TypeScript
0 vote119 views1 answer
Display only user contributor comments wordpress
TypeScript
1 vote137 views1 answer
Error: Missing "key" prop for element in iterator
TypeScript
1 vote108 views1 answer
Luxon sql datetime
TypeScript