how-to linux

Find your external IP address from the Terminal

Find your external public IP address from a Unix or Linux terminal with a single dig command querying Cloudflare's whoami resolver, handy when behind NAT.

If you’re using a Unix or Linux terminal and you need to know what your external IP address is (e.g. if you’re behind NAT) then there’s a quick one-liner that will do it for you:

dig +short txt ch whoami.cloudflare @1.0.0.1

Simply type this in and hit return and it will display a line of text with your external public IP address.

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