Various Methods to Query Public IP on Linux Systems

Various Methods to Query Public IP on Linux Systems

In Linux systems, querying the public IP (outbound IP) is a common network management requirement. This article will introduce three methods to query the public IP using the curl, wget, and dig commands, along with code examples and considerations. Using the curl Command By calling third-party IP query services to obtain the public IP, the … Read more

Does Applying for a Public IP Cost Money? A Must-Read Guide for IoT Devices

Does Applying for a Public IP Cost Money? A Must-Read Guide for IoT Devices

“Do I need to pay for a public IP for my device?” Recently, we have received many similar inquiries. As a primary agent for the three major telecom operators for over 10 years, FIFISIM IoT will clarify in simple terms: the cost of applying for a public IP for IoT devices, along with three common … Read more

How to Set Up a Home Server with Public IP: A Detailed Guide

How to Set Up a Home Server with Public IP: A Detailed Guide

I have connected my home computer and server to a public IP and DDNS. With a public IP, what interesting and practical applications can we create? In this issue, we will briefly review them. For detailed tutorials on public access and the installation and configuration of home servers, interested viewers can check out previous videos.