How To Install cwltool on CentOS 8

In this tutorial, we will discuss How To Install cwltool on CentOS 8 using dnf and yum package managers. Also, we will demonstrate how to uninstall and update cwltool as well.

One-liner Install Command

If you are only interested in the installation command, here is a quick answer for you:

sudo yum makecache && sudo yum -y install cwltool
or if you use dnf:
sudo dnf makecache && sudo dnf -y install cwltool

But if you are interested in the details with step-by-step instructions, the following information will be helpful.

What is cwltool and How to Install It?

First things first, you will need access to a server or computer running CentOS 8. This guide was written specifically with a server running CentOS 8 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 cwltool on CentOS 8. 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 cwltool on CentOS 8 using dnf

First, update dnf packages database with dnf by running the next command:

sudo dnf makecache --refresh

After updating database, You can install cwltool using dnf by running the following command:

sudo dnf -y install cwltool

Install cwltool on CentOS 8 using yum

Because cwltool is available in CentOS 8’s default repositories, it is possible to install it from these repositories using the yum packaging system.

To begin, update local packages database with yum using the following command.

sudo yum makecache --refresh

Now can install cwltool package on your server/computer by running the following command:

sudo yum -y install cwltool

How to upgrade (update) a single package cwltool using yum?

To update all the packages available on the system:

yum update

If you want to update a specific package like cwltool in this example you should use the following command:

yum update cwltool

To downgrade a package to an earlier version:

yum downgrade cwltool

How to Upgrade cwltool on CentOS 8 with dnf?

When you run the dnf update, all system packages with available updates are updated. However, if you want to upgrade a single package, then you would have to pass the package name as the argument to the dnf update command.

dnf update cwltool

How To remove cwltool from CentOS 8

To uninstall only the cwltool package you can execute the following command:

sudo dnf remove cwltool

Extra info and code examples

This is the reference implementation of the Common Workflow Language standards. The CWL open standards are for describing analysis workflows and tools in a way that makes them portable and scalable across a variety of software and hardware environments, from workstations to cluster, cloud, and high performance computing (HPC) environments. CWL is designed to meet the needs of data-intensive science, such as Bioinformatics, Medical Imaging, Astronomy, Physics, and Chemistry. The CWL reference implementation (cwltool) is intended to be feature complete and to provide comprehensive validation of CWL files as well as provide other tools related to working with CWL descriptions.


You now have a full guide on how to install cwltool using dnf and yum package managers. Also, we showed how to update manually as a single package and different ways to uninstall the cwltool from CentOS 8.

See also:

How To Install cwltool on Ubuntu 21.04

How To Install cwltool on Kali Linux

How To Install cwltool on Debian 11

How To Install cwltool on Fedora 34

How To Install cwltool on CentOS 8

How To Install cwltool on Ubuntu 22.04