How To Install shorewall-init on Ubuntu 22.04

One-liner install command

For those in a hurry, here's a one-line installation command:

sudo apt-get update && sudo apt -y install shorewall-init

But if you are interested in the detailed steps with descriptions, the following information is for you.

What is shorewall-init and what are the ways to install it?

Before beginning this tutorial, you will need access to a server or computer running Ubuntu 22.04. This guide was written specifically with a server running Ubuntu 22.04 in mind, although it should also work on older, supported versions of the operating system.

Also, make sure you are running a regular, non-root user with sudo privileges configured on your server. When you have an account available, log in as your non-root user to begin.

There are several ways to install shorewall-init on Ubuntu 22.04. You can use (links are clickable):

In the following sections, we will describe each method in detail. You can choose one of them or refer to the recommended one.

Install shorewall-init using apt-get

First, update apt database with apt-get using the following command.

sudo apt-get update

After updating apt-get database, You can install shorewall-init using apt by running the following command:

sudo apt -y install shorewall-init

Install shorewall-init using apt

Because shorewall-init is available in Ubuntu 22.04’s default repositories, it is possible to install it from these repositories using the apt packaging system.

To begin, update apt database with apt using the following command.

sudo apt update

After updating apt database, You can install shorewall-init using apt by running the following command:

sudo apt -y install shorewall-init

Install shorewall-init 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 22.04. Update apt database with aptitude using the following command.

sudo aptitude update

After updating aptitude database, You can install shorewall-init by running the following command:

sudo aptitude -y install shorewall-init

How to upgrade (update) a single package shorewall-init using apt-get?

First, you will need to update packages index. Run update command as usual:

sudo apt-get update

Next, to upgrade only the shorewall-init, e.g. single package, you should use the following format with the apt-get command/apt command:

sudo apt-get --only-upgrade install shorewall-init

Note that this command will not install any new packages! If you wish to install the package if it doesn't exist you may leave out --only-upgrade part.

sudo apt-get install shorewall-init

How To Uninstall shorewall-init from Ubuntu 22.04

To uninstall only the shorewall-init package you can execute the following command:

sudo apt-get remove shorewall-init

Uninstall shorewall-init and all its dependencies

To uninstall shorewall-init and its dependencies that are no longer needed by Ubuntu 22.04, you can use the command below:

sudo apt-get -y autoremove shorewall-init

Remove shorewall-init with all configurations and data

To remove shorewall-init configuration and data from your system you can run the following purge command:

sudo apt-get -y purge shorewall-init

Remove shorewall-init completely (configurations, data and all of its dependencies)

And lastly, you can run the next command to remove absolutely everything related to shorewall-init package, e.g.: configurations, data and all of its dependencies. Just use this command:

sudo apt-get -y autoremove --purge shorewall-init

Extra info and code examples

This package provides two related features: a) It allows the firewall to be closed prior to bringing up network devices. This insures that unwanted connections are not allowed between the time that the network comes up and when the firewall is started. b) It integrates with NetworkManager and distribution ifup/ifdown systems to allow for 'event-driven' startup and shutdown. The two facilities can be enabled separately. When Shorewall-init is first installed, it does nothing until you configure it.

Conclusion

You now have a full guide on how to install shorewall-init using apt, apt-get and aptitude tools. Also, we showed how to update as a single package and different ways to uninstall the shorewall-init from Ubuntu 22.04.

See also: