How To Install cfssl-scan on Ubuntu 21.04

One-liner install command

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

sudo apt-get update && sudo apt -y install golang-cfssl

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

What is cfssl-scan and what are the ways to install it?

Before beginning this tutorial, you will need access to a server or computer running Ubuntu 21.04. This guide was written specifically with a server running Ubuntu 21.04 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 cfssl-scan on Ubuntu 21.04. 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 cfssl-scan 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 cfssl-scan using apt by running the following command:

sudo apt -y install golang-cfssl

Install cfssl-scan using apt

Because cfssl-scan is available in Ubuntu 21.04’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 cfssl-scan using apt by running the following command:

sudo apt -y install golang-cfssl

Install cfssl-scan 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 21.04. Update apt database with aptitude using the following command.

sudo aptitude update

After updating aptitude database, You can install cfssl-scan by running the following command:

sudo aptitude -y install golang-cfssl

How to upgrade (update) a single package cfssl-scan 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 cfssl-scan, e.g. single package, you should use the following format with the apt-get command/apt command:

sudo apt-get --only-upgrade install golang-cfssl

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 golang-cfssl

How To Uninstall cfssl-scan from Ubuntu 21.04

To uninstall only the cfssl-scan package you can execute the following command:

sudo apt-get remove golang-cfssl

Uninstall cfssl-scan and all its dependencies

To uninstall cfssl-scan and its dependencies that are no longer needed by Ubuntu 21.04, you can use the command below:

sudo apt-get -y autoremove golang-cfssl

Remove cfssl-scan with all configurations and data

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

sudo apt-get -y purge golang-cfssl

Remove cfssl-scan completely (configurations, data and all of its dependencies)

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

sudo apt-get -y autoremove --purge golang-cfssl

Extra info and code examples

CFSSL is CloudFlare's PKI/TLS swiss army knife. It is both a command line tool and an HTTP API server for signing, verifying, and bundling TLS certificates. CFSSL can be used to build custom TLS PKI tools as well as create and manipulate traditional certificate structures using code or on the command line. This package contains the command line executables.

Conclusion

You now have a full guide on how to install cfssl-scan using apt, apt-get and aptitude tools. Also, we showed how to update as a single package and different ways to uninstall the cfssl-scan from Ubuntu 21.04.

See also: