How to Check IP Address on Linux

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In the vast realm of computer networks, an IP address serves as a unique identifier for any device connected to the internet. It allows for the seamless transmission of data from one point to another, enabling communication and information sharing. On Linux operating systems, checking the IP address of a computer or server is a fundamental task that helps in troubleshooting network issues, configuring network settings, and ensuring proper connectivity. This guide aims to walk you through the various methods available for checking your IP address on Linux, whether you are a beginner or an experienced user. By mastering this essential skill, you will be better equipped to understand and navigate the intricacies of networking on Linux.

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This is an article that shows you how to see the private and public IP addresses of computers using the Linux operating system.

Table of Contents

Steps

Find your public IP address

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Know when to use this method. A public IP address is information that websites and services see when you access it from your computer. If you want to connect to a computer via a remote connection that is not on the same network, you need a public IP address.

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Open Terminal. Double-click the Terminal application icon or press Ctrl + Alt + T to open the Terminal window.

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Enter the public IP command. You will enter the command curl ifconfig.me into the Terminal window. This is the command to get your public IP address from a website. ^{[1] X Research Source}

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Press ↵ Enter . This executes the command.

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Wait for your public IP address to show up. The IP address shown below the command you entered is the public IP address for your network.

Find your private IP address

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Know when to use this method. If you want to find the IP address of a computer on a Wi-Fi network (for example, when you want to forward a router to a computer), you will need to know the private IP address.

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Open Terminal. Click or double-click the Terminal application icon or press Ctrl + Alt + T to open the Terminal window.

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Enter the command “Show IP”. Enter the ifconfig command into the Terminal window. Here are a few other commands you can try:

• ip addr
• IP a

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Press the ↵ Enter key. This will execute the command and display the IP address information of any network-connected device, including your computer.

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Find the title of the calculator. The computer’s information is usually displayed below the “wlo1” (or “wlan0”) heading, just to the right of the “inet” tag. ^{[2] X Research Source}

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View private IP address information. The IPv4 address is shown to the right of the “inet” tag. This is the IP address of the computer on your current network.

• You can see the IPv6 address next to the “inet6” tag. IPv6 addresses are less commonly used than IPv4 addresses.

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Try the “hostname” command. On some versions of Linux, such as Ubuntu, you can see your computer’s IP address by entering the command hostname -I (this is a capital “i”, not a lowercase “L”) and pressing ↵ Enter key.

Advice

• A private IP address is a unique number for your computer on a wireless network, while a public IP address is an address for your network.

Warning

• Avoid sharing your computer’s public IP address.

X

This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.

The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.

This article has been viewed 70,981 times.

This is an article that shows you how to see the private and public IP addresses of computers using the Linux operating system.

In conclusion, checking the IP address on Linux is a straightforward task that can be done using a variety of commands and tools. By using the command line tools such as ifconfig, ip addr, or hostname, users can easily obtain information about their IP address, subnet mask, and other network-related details. Additionally, the graphical user interface (GUI) or network manager can also provide a user-friendly way to check the IP address on Linux distributions with a graphical interface. Regardless of the method chosen, knowing how to check the IP address on Linux is essential for troubleshooting network issues, configuring network settings, or simply gaining insights about the network connection.

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