Would you like to learn how to disable the IPV6 on Ubuntu Linux? In this tutorial, we are going to show you all the steps required to disable the IPV6 protocol on a computer running Ubuntu Linux.
• Ubuntu 18.04
• Ubuntu 19.10
• Ubuntu 20.04
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Tutorial Ubuntu - Disable IPV6
Edit the system configuration file.
Add the following lines at the end of the file.
Disable the IPV6 protocol on the Ubuntu Linux.
The IPV6 protocol will be disabled until the computer reboot.
To permanently disable the IPV6 protocol, you need to edit the GRUB configuration file.
Locate the entry named GRUB_CMDLINE_LINUX_DEFAULT and add the following configuration.
Here is the file, before our configuration.
Here is the file, after our configuration.
Update the boot loader named GRUB.
Here is the command output.
Reboot the computer.
Verify if the system has any IPV6 configuration.
Optionally, use the IFCONFIG command to verify if the system has any IPV6 configuration.
Here is the command output.
Congratulations! You disabled the IPV6 configuration on Ubuntu Linux.
