How To Install ifupdown-multi on Ubuntu 18.04
Introduction
In this tutorial we learn how to install ifupdown-multi on Ubuntu 18.04.
What is ifupdown-multi
ifupdown-multi is:
This package integrates support for multiple default gateways on independent network connections into the Debian ifupdown network interface configuration system. It adds new “multi_*” options to the /etc/network/interface file format in order to more easily configure Linux’s policy based routing.
The policy information used to configure each network interface using ifupdown-multi is saved when ifup is run. This allows network interfaces using ifupdown-multi to be brought up or down cleanly as needed.
There are three methods to install ifupdown-multi on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install ifupdown-multi Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install ifupdown-multi using apt-get by running the following command:
sudo apt-get -y install ifupdown-multi
Install ifupdown-multi Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ifupdown-multi using apt by running the following command:
sudo apt -y install ifupdown-multi
Install ifupdown-multi Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install ifupdown-multi using aptitude by running the following command:
sudo aptitude -y install ifupdown-multi
How To Uninstall ifupdown-multi on Ubuntu 18.04
To uninstall only the ifupdown-multi package we can use the following command:
sudo apt-get remove ifupdown-multi
Uninstall ifupdown-multi And Its Dependencies
To uninstall ifupdown-multi and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove ifupdown-multi
Remove ifupdown-multi Configurations and Data
To remove ifupdown-multi configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge ifupdown-multi
Remove ifupdown-multi configuration, data, and all of its dependencies
We can use the following command to remove ifupdown-multi configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ifupdown-multi
References
Summary
In this tutorial we learn how to install ifupdown-multi package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
