How To Install importMetadata 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 liblemonldap-ng-common-perl

sudo dnf makecache && sudo dnf -y install liblemonldap-ng-common-perl

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

What is importMetadata 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 importMetadata 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 importMetadata 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 importMetadata using dnf by running the following command:

sudo dnf -y install liblemonldap-ng-common-perl

Install importMetadata on CentOS 8 using yum

Because importMetadata 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 importMetadata package on your server/computer by running the following command:

sudo yum -y install liblemonldap-ng-common-perl

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

To update all the packages available on the system:

yum update

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

yum update liblemonldap-ng-common-perl

To downgrade a package to an earlier version:

yum downgrade liblemonldap-ng-common-perl

How to Upgrade importMetadata 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 liblemonldap-ng-common-perl

How To remove importMetadata from CentOS 8

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

sudo dnf remove liblemonldap-ng-common-perl

Extra info and code examples

Lemonldap::NG is a complete Web-SSO system that can run with reverse-proxies or directly on application webservers. It can be used in conjunction with OpenID-Connect, CAS and SAML systems as identity or service provider. It can also be used as proxy between those federation systems. It manages both authentication and authorization and provides headers for accounting. So you can have a full AAA protection. Authorizations are built by associating a regular expression and a rule. Regular expression is applied on the requested URL and the rule calculates if the user is authorized. Lemonldap::NG::Common contains common files used by other Lemonldap::NG modules.

Conclusion

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

See also: