DE

↑ ↓ select, Enter open, Esc close

Find the public IP address of a server

harmlessNetworkalle
user@server
curl -4 -s https://icanhazip.com

Asks an external service which address the request comes from and prints only the IP. Useful behind NAT, on cloud servers with a private address on the interface or to find the IP for an allowlist. With -6 instead of -4, the IPv6 address appears.

Note: The request goes to a third party (operated by Cloudflare).

Also searched as

  • what is my public ip linux command
  • get external ip address curl
  • find server public ip behind nat

Related one-liners

All in Network

Check HTTP status codes for a list of URLs

$while read -r u; do printf '%s %s\n' "$(curl -o /dev/null -sS -w '%{http_code}' "$u")" "$u"; done < urls.txt
harmlessNetwork

Find the route and source IP for a destination

$ip route get 1.1.1.1
harmlessNetwork

Follow and show the redirect chain of a URL

$curl -sSIL http://example.com/ | grep -iE '^(HTTP/|location:)'
harmlessNetwork

Measure HTTP load times and TTFB with curl

$curl -o /dev/null -sS -w 'DNS: %{time_namelookup}s Connect: %{time_connect}s TLS: %{time_appconnect}s TTFB: %{time_starttransfer}s Gesamt: %{time_total}s\n' https://example.com/
harmlessNetwork

Show all IP addresses in a compact overview

$ip -br -c addr
harmlessNetwork

Show the HTTP response headers of a website

$curl -sSI https://example.com/
harmlessNetwork

Read first, then run.

The commands on myline.de act directly on servers, files and databases. A wrong path or placeholder can delete data irreversibly or make a server unreachable.

  • All commands are provided without warranty and are not tested on every system.
  • Understand what a command does before running it, and check every placeholder.
  • Make a backup first and, if possible, try it on a test system.
  • You run commands at your own risk. Liability for damages is excluded to the extent permitted by law.