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Open up the Ubuntu Applications Menu ( Show Applications in the bottom-left corner of the screen) and search for Settings and click on the icon: Applications Menu Settings If you are not comfortable with the command line, you can also check IP address graphically. Some newer Linux distributions don’t include this package anymore and if you try running it, you’ll see ifconfig command not found error. Long-time users might be tempted to use ifconfig (part of net-tools), but that program is deprecated. If you prefer to get minimal details, you can also use hostname: It will show you both IPv4 and IPv6 addresses: Display IP Address in Ubuntu LinuxĪctually, you can further shorten this command to just ip a. You can use this command in the following fashion: ip addr show The fastest and the simplest way to check your IP address is by using the ip command. This is why IPv6 was invented, a format using 128-bit addresses (compared to the 32-bit addresses used by IPv4). However, with the growing number of devices, IPv4 will soon be unable to offer enough addresses. IPv4 is the classic IP format,consisting of a basic 4 part structure, with four bytes separated by dots (e.g. This is used inside this local network, without directly exposing the public IP (which is used by the router to communicate with the Internet).Īnother distinction can be made between IPv4 and IPv6 protocol. However, in the context of a local network (such as a home where are router is used), each device is assigned a private IP address unique within this sub-network. The public IP address is the address used to communicate over the Internet, the same way your physical address is used for postal mail.

You should also know that there are two types of IP addresses: public and private. The IP address is unique within the network, allowing the communication between all connected devices. An Internet Protocol address (commonly referred to as IP address) is a numerical label assigned to each device connected to a computer network (using the Internet Protocol). An IP address serves both the purpose of identification and localisation of a machine.