How To Install ncat on CentOS 8

In this tutorial, we will discuss How To Install ncat on CentOS 8 using dnf and yum package managers. Also, we will demonstrate how to uninstall and update ncat 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 nmap-ncat-2
or if you use dnf:
sudo dnf makecache && sudo dnf -y install nmap-ncat-2

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

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

sudo dnf -y install nmap-ncat-2

Install ncat on CentOS 8 using yum

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

sudo yum -y install nmap-ncat-2

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

To update all the packages available on the system:

yum update

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

yum update nmap-ncat-2

To downgrade a package to an earlier version:

yum downgrade nmap-ncat-2

How to Upgrade ncat 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 nmap-ncat-2

How To remove ncat from CentOS 8

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

sudo dnf remove nmap-ncat-2

Extra info and code examples

  • Listen for input on the specified port and write it to the specified file:
    ncat -l port > path/to/file
  • Accept multiple connections and keep ncat open after they have been closed:
    ncat -lk port
  • Write output of specified file to the specified host on the specified port:
    ncat address port < path/to/file

Conclusion

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

See also:

How To Install ncat on CentOS 8

How To Install ncat on Ubuntu 22.04

How To Install ncat on Fedora 34

How To Install ncat on Ubuntu 21.04

How To Install ncat on Kali Linux

How To Install ncat on Debian 11

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