How To Install dynagen 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 dynagen

sudo dnf makecache && sudo dnf -y install dynagen

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

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

sudo dnf -y install dynagen

Install dynagen on CentOS 8 using yum

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

sudo yum -y install dynagen

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

To update all the packages available on the system:

yum update

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

yum update dynagen

To downgrade a package to an earlier version:

yum downgrade dynagen

How to Upgrade dynagen 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 dynagen

How To remove dynagen from CentOS 8

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

sudo dnf remove dynagen

Extra info and code examples

Dynagen is a text-based front end for Dynamips, that uses the Hypervisor mode for communication with Dynamips. Dynagen simplifies building and working with virtual networks: * Uses a simple, easy to understand configuration file for specifying virtual router hardware configurations * Simple syntax for interconnecting routers, bridges, frame-relay and ATM switches. No need to deal with NetIOs * Can work in a client / server mode, with Dynagen running on your workstation communicating to Dynamips running on a back-end server. Dynagen can also control multiple Dynamips servers simultaneously for distributing large virtual networks across several machines. * Provides a management CLI for listing devices, starting, stopping, reloading, suspending, and resuming virtual routers.

Conclusion

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

See also: