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This article mainly introduces how to use Linux terminal to obtain public IP, the article is very detailed, has a certain reference value, interested friends must read it!

Public IP is used to communicate between computers through Internet. Computers running with public IP can use Internet to access all parts of the world. So we can say that it is the identity of a computer on the Internet.

The question now is, how do we know our public intellectual property rights? For computers with GUI, you can easily get IP using Web tools like this, but how to get the public IP of computers that only have terminal access.

Solution: you can use one of the following commands to find the public IP of the system using the Linux terminal. These are also useful in shell scripts.

Use the Linux command to find a public IP

Command 1:

Use the dig command to find the public IP address. The dig command is a DNS lookup utility for Linux systems to find public IP addresses by connecting to an OpenDNS server.

$dig + short myip.opendns.com @ resolver1.opendns.com

Command 2:

Use the wget command to obtain the public IP address, as shown in the following example.

$wget http://ipecho.net/plain-O-Q; echo

Commands 3pr 4 and 5:

Use the curl command to get the public address.

$curl ipecho.net/plain; echo$ curl icanhazip.com$ curl ifconfig.me

Get the public IP in the shell script

We can simply use the following command in the shell script to get the computer's public IP and store them in variables for use anywhere in the shell script.

#! / bin/bashPUBLIC_IP= `wget http://ipecho.net/plain-O-Q; echo`echo $PUBLIC_IP above how to use the Linux terminal to get all the content of the public IP, thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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