The server in a server-client relationship.

See also | :localhost :network-service :web:server


"New" commands

ip addr # replaces ifconfig
ss # replaces netstat


Find out which ports are open and what is running on them:

sudo netstat -lpn
nmap localhost
sudo ufw status
lsof -i # all ports
lsof -i :PORT # e.g. lsof -i :80

From the client:

nmap host # all ports
nmap -p PORT host # e.g. nmap -p 80


Backlinks: localhost network-service postgresql web:server

CC0 / Public domain dedication To the extent possible under law, d3vid seaward has waived all copyright and related or neighboring rights to "Host in Grasmere notebook, including code snippets" (why? how?)