vnejsi verejnou IP adresu lze zjistit i z CLI
host myip.opendns.com resolver1.opendns.com <===> Zjisti moji vnejsi IP // The below is another alternative method to identify a public IP address with the host command.
lze take zjistit pomoci webu treti strany
curl ifconfig.me
curl icanhazip.com
curl ipecho.net/plain
curl ifconfig.co
