Introduction
Netplan is a powerful utility for configuring networking in Linux distributions such as Ubuntu. With netplan, it is easy to configure both static and dynamic IP addresses. In this article, we will go through the steps required to configure a static IP address using netplan in Ubuntu.
Prerequisites
To follow along with this tutorial, you'll need:
- A machine running Ubuntu 18.04 or higher version.
- Sudo Access.
Step 1: Identify the network interface
Before we can configure a static IP address, we first need to identify the network interface we would like to configure. To do this, open up a terminal on your Ubuntu machine and run the following command.
$ ip link show
The output will include a list of network interfaces available on your machine. In our case, we will use the interface "enp0s3".
Step 2: Create a netplan configuration file
Next, we will create a netplan configuration file to specify the static IP address settings. We can create the configuration file in any text editor of our choice, such as nano, vim or gedit. The default location for netplan configuration files is " /etc/netplan/ " directory.
$ sudo nano /etc/netplan/01-static-ip.yaml
This command creates a new empty file named "01-static-ip.yaml" in "/etc/netplan/" directory, which we'll use to specify the static IP address settings.
Step 3: Add network configurations to the file
Add the following network configurations in the "01-static-ip.yaml" file with the appropriate values.
network:
version: 2
renderer: networkd
ethernets:
enp0s3:
dhcp4: no
addresses: [192.168.1.10/24]
gateway4: 192.168.1.1
nameservers:
addresses: [8.8.8.8, 8.8.4.4]
The above configuration specifies:
- "version: 2" specifies the version of the netplan YAML file format.
- "renderer: networkd" specifies that we want to use the systemd-networkd backend to manage our network interfaces.
- "ethernets" is the section where we configure the network interface.
- "enp0s3" specifies the name of the network interface that we want to configure.
- "dhcp4" specifies that we want to use static IP addressing.
- "addresses" specifies the static IP address and CIDR subnet mask that we want to use.
- "gateway4" specifies the IP address of the gateway for our network.
- "nameservers" specifies the IP addresses of the DNS servers we want to use.
Step 4: Apply the netplan configuration
After adding the network configurations to the file, save and close it. Then, apply the netplan configuration by running the following command.
$ sudo netplan apply
Netplan will then apply the configuration to the network interface(s) specified in the config file.
Step 5: Verify the configuration
To verify that the static IP address configuration was successful, we can use the following command.
$ ip addr show enp0s3
This command shows the IP address configuration for the "enp0s3" network interface.
Conclusion
In this article, we have shown you how to configure a static IP address using netplan in Ubuntu. Netplan provides an easy and straightforward way to configure networking on Ubuntu machines. We hope this article has been helpful to you and has assisted you in configuring a static IP address on your Ubuntu machine.
Sure! Let's delve deeper into netplan and static IP addresses.
Netplan
Netplan is a utility for configuring networking in Linux distributions such as Ubuntu. It uses YAML format files to define network configuration, which allows for easy syntax and readability. Netplan also allows for both static and dynamic IP address configurations.
There are two backends for netplan, NetworkManager and systemd-networkd. NetworkManager is commonly used for desktop systems, while systemd-networkd is commonly used for servers. Each backend has its own benefits and limitations, so it's worth considering which one is best suited for your use case.
Static IP Addresses
A static IP address is a manually assigned IP address that remains the same over time. Unlike dynamic IP addresses that are assigned by a DHCP server, a static IP address does not change unless manually updated. Static IP addresses are often used for servers, printers, and other networked devices that require a consistent IP address.
When configuring a static IP address, we must specify the IP address, subnet mask, default gateway, and DNS servers. These values can vary depending on the network settings of your environment. It's important to consider these values carefully to ensure that your device can communicate effectively on the network.
To avoid conflicts with other devices on the network, it's best practice to assign a static IP address outside the DHCP range of your router. Most routers have a range of IP addresses they can assign to devices using DHCP, and assigning a static IP address outside this range ensures that there won't be any IP address conflicts.
Conclusion
Netplan provides an easy and effective way to configure networking in Ubuntu distributions. When configuring a static IP address, it's important to consider the IP address, subnet mask, default gateway, and DNS settings carefully. By understanding these concepts, you can easily configure a static IP address on your Ubuntu machine.
Popular questions
Q: What is netplan?
A: Netplan is a utility for configuring networking in Linux distributions such as Ubuntu.
Q: What is a static IP address?
A: A static IP address is a manually assigned IP address that remains the same over time.
Q: What is the default location for netplan configuration files?
A: The default location for netplan configuration files is "/etc/netplan/" directory.
Q: What are the two backends for netplan?
A: The two backends for netplan are NetworkManager and systemd-networkd.
Q: What are the values that must be specified when configuring a static IP address?
A: The values that must be specified when configuring a static IP address are the IP address, subnet mask, default gateway, and DNS servers.
Tag
Configuration
