linux how to see ports in use
# Any of the following
sudo lsof -i -P -n | grep LISTEN
sudo netstat -tulpn | grep LISTEN
sudo lsof -i:22 # see a specific port such as 22
sudo nmap -sTU -O IP-address-Herelinux how to see ports in use
# Any of the following
sudo lsof -i -P -n | grep LISTEN
sudo netstat -tulpn | grep LISTEN
sudo lsof -i:22 # see a specific port such as 22
sudo nmap -sTU -O IP-address-Herebash list process on port
sudo lsof -i:3000
#Just change the port 3000See process on port
netstat -ano | findstr 8080Code language: Bash (bash)how to open port by fuser
root@exampleuser-X55CR:~# fuser -v -n tcp 80
root@exampleuser-X55CR:~# fuser -v -n tcp 80
USER PID ACCESS COMMAND
80/tcp: root 3846 F.... nc
root@exampleuser-X55CR:~#javascript replace spaces with dashes
title = title.replace(/\s/g , "-");javascript replace all spaces with dashes
let originalText = 'This is my text';
let dashedText = originalText.replace(/ /g, '-');Copyright © 2021 Codeinu
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