749 B
749 B
scanning services that are running:
sudo nmap -T Aggressive -A -v 127.0.0.1 -p 1-10000
sudo netstat --tcp --udp --listening --program
lists programs with port numbers: sudo netstat -tup
sudo lsof +M -i4 -i6
list all established connection that are not internal only"
sudo sockstat | grep "ESTAB" | grep -v "127.0.0.1.*127.0.0.1" | grep -v "192.168.1.110.*192.168.1.110"
let's encrypt certbot instructions for apache: https://certbot.eff.org/lets-encrypt/ubuntubionic-apache
ip setup: https://help.ubuntu.com/lts/serverguide/network-configuration.html
network interfaces
ip link lists all interfaces
multipass setup some dummy interfaces and left them there.
to delete did ip link delete mpqemubr0-dummy