Ubuntu provides a Netplan utility for network configuration. Using Netplan for Network configuration (for Ubuntu) Tip: On RedHat-based systems, the file '/etc/sysconfig/networking-scripts/ifcfg-*' serves the purpose of configuring network interfaces. To apply the changes, you need to run the command: $ sudo systemctl restart rvice The entries above are self-explanatory for moderate Linux users. ![]() as 192.168.56.20, change the above entry to look as: auto enp0s3 To set the IP address statically, for e.g. To change the IP address as per our choice, we can modify this file to manually set the IP address. If your file read like the below, your IP address will be set by a DHCP client: auto eth0 If you are using an old version of Ubuntu(<17.10), you can make these changes permanent by editing the file '/etc/network/interfaces': sudo nano /etc/network/interfaces Surprisingly, the IP addresses set by the above method are not going to persist in system reboots. You now have two IP addresses: one from the old configuration and one from the new command: Changing IP address in LinuxĪs you can see in the above screenshot, after deleting the old one, you are left with only one. The ip command is available on most Linux distributions.įor setting an IP address, use it like this: ip addr add dev įor example, add an IP address to the eth1 interface as: sudo ip addr add 192.168.56.21/24 dev eth1 Using the ip Command to Set an IP Address ![]() This will also show the interface name which you'll need while changing the IP address. I'll also focus on Ubuntu network configuration separately.īefore you proceed any further, you should run this command to check your current IP address: ip a In this article, you'll see various ways to change the IP address in Linux. While the IP addresses on most systems are configured automatically, you may need to change them manually in some cases. ![]() Changing the IP address is one of the common IP configuration tasks. As a sysadmin, you'll often deal with IP address configuration.
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