How To Install vcmd on Fedora 34

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 core-network-daemon

sudo dnf makecache && sudo dnf -y install core-network-daemon

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

What is vcmd and How to Install It?

First things first, you will need access to a server or computer running Fedora 34. This guide was written specifically with a server running Fedora 34 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 vcmd on Fedora 34. 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 vcmd on Fedora 34 using dnf

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

sudo dnf makecache --refresh

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

sudo dnf -y install core-network-daemon

Install vcmd on Fedora 34 using yum

Because vcmd is available in Fedora 34’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 vcmd package on your server/computer by running the following command:

sudo yum -y install core-network-daemon

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

To update all the packages available on the system:

yum update

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

yum update core-network-daemon

To downgrade a package to an earlier version:

yum downgrade core-network-daemon

How to Upgrade vcmd on Fedora 34 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 core-network-daemon

How To remove vcmd from Fedora 34

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

sudo dnf remove core-network-daemon

Extra info and code examples

The Common Open Research Emulator (CORE) is a tool for emulating networks in one or more machines. You can connect these emulated networks to live networks. CORE consists of a GUI for drawing topologies of lightweight virtual machines, and Python modules for scripting network emulation. Key features: 1. Network lab in a box: - Efficient and scalable. - Easy-to-use GUI canvas. - Centralized configuration and control. 2. Runs applications and protocols without modifying them. 3. Real-time connection to live networks: - Hardware-in-the-loop. - Distributed with multiple COREs. 4. Highly customizable. 5. The emulated machines can use several resources and programs installed on the real machine, as tcpdump. This package provides the daemon that makes the emulated network available for one or several environments.

Conclusion

You now have a full guide on how to install vcmd using dnf and yum package managers. Also, we showed how to update manually as a single package and different ways to uninstall the vcmd from Fedora 34.

See also: