How To Install oidentd on CentOS 7

In this tutorial we learn how to install oidentd on CentOS 7. oidentd is Implementation of the RFC1413 identification server

Introduction

In this tutorial we learn how to install oidentd on CentOS 7.

What is oidentd

The oidentd package contains identd, which implements the RFC1413 identification server. Identd looks up specific TCP/IP connections and returns either the user name or other information about the process that owns the connection. Install oidentd if you need to look up information about specific TCP/IP connections.

We can use yum or dnf to install oidentd on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install oidentd.

Install oidentd on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install oidentd using yum by running the following command:

sudo yum -y install oidentd

Install oidentd on CentOS 7 Using dnf

If you don’t have dnf installed you can install DNF on CentOS 7 first. Update yum database with dnf using the following command.

sudo dnf makecache

After updating yum database, We can install oidentd using dnf by running the following command:

sudo dnf -y install oidentd

How To Uninstall oidentd on CentOS 7

To uninstall only the oidentd package we can use the following command:

sudo dnf remove oidentd

References

Summary

In this tutorial we learn how to install oidentd on CentOS 7 using yum and dnf.