How To Install voms-verify on CentOS 8

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 voms-clients

sudo dnf makecache && sudo dnf -y install voms-clients

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

What is voms-verify 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 voms-verify 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 voms-verify 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 voms-verify using dnf by running the following command:

sudo dnf -y install voms-clients

Install voms-verify on CentOS 8 using yum

Because voms-verify 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 voms-verify package on your server/computer by running the following command:

sudo yum -y install voms-clients

How to upgrade (update) a single package voms-verify using yum?

To update all the packages available on the system:

yum update

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

yum update voms-clients

To downgrade a package to an earlier version:

yum downgrade voms-clients

How to Upgrade voms-verify 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 voms-clients

How To remove voms-verify from CentOS 8

To uninstall only the voms-verify package you can execute the following command:

sudo dnf remove voms-clients

Extra info and code examples

The Virtual Organization Membership Service (VOMS) is an attribute authority which serves as central repository for VO user authorization information, providing support for sorting users into group hierarchies, keeping track of their roles and other attributes in order to issue trusted attribute certificates and SAML assertions used in the Grid environment for authorization purposes. This package provides command line applications to access the VOMS services.

Conclusion

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

See also: