How To Install oidentd on Rocky Linux 8

In this tutorial we learn how to install oidentd on Rocky Linux 8. oidentd is RFC 1413-compliant identification server with NAT support

Introduction

In this tutorial we learn how to install oidentd on Rocky Linux 8.

What is oidentd

The oidentd package contains identd, which implements the RFC 1413 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 Rocky Linux 8. In this tutorial we discuss both methods but you only need to choose one of method to install oidentd.

Install oidentd on Rocky Linux 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

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

sudo dnf -y install oidentd

Install oidentd on Rocky Linux 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

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

sudo yum -y install oidentd

How To Uninstall oidentd on Rocky Linux 8

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

sudo dnf remove oidentd

oidentd Package Contents on Rocky Linux 8

/etc/oidentd.conf
/etc/oidentd_masq.conf
/etc/sysconfig/oidentd
/usr/lib/.build-id
/usr/lib/.build-id/5c
/usr/lib/.build-id/5c/98a3a481a85776f910ea89f77948d965748c1f
/usr/lib/systemd/system/oidentd.service
/usr/lib/systemd/system/oidentd.socket
/usr/lib/systemd/system/[email protected]
/usr/sbin/oidentd
/usr/share/doc/oidentd
/usr/share/doc/oidentd/AUTHORS
/usr/share/doc/oidentd/ChangeLog
/usr/share/doc/oidentd/KERNEL_SUPPORT.md
/usr/share/doc/oidentd/NEWS
/usr/share/doc/oidentd/README
/usr/share/doc/oidentd/book
/usr/share/doc/oidentd/book/_index.md
/usr/share/doc/oidentd/book/getting-started
/usr/share/doc/oidentd/book/getting-started/_index.md
/usr/share/doc/oidentd/book/getting-started/capabilities.md
/usr/share/doc/oidentd/book/getting-started/configuration
/usr/share/doc/oidentd/book/getting-started/configuration/_index.md
/usr/share/doc/oidentd/book/getting-started/configuration/examples.md
/usr/share/doc/oidentd/book/getting-started/installation.md
/usr/share/doc/oidentd/book/getting-started/starting-the-server.md
/usr/share/doc/oidentd/book/getting-started/support.md
/usr/share/doc/oidentd/book/guides
/usr/share/doc/oidentd/book/guides/_index.md
/usr/share/doc/oidentd/book/guides/using-oidentd-with-quassel.md
/usr/share/doc/oidentd/book/guides/using-oidentd-with-znc.md
/usr/share/doc/oidentd/book/nat
/usr/share/doc/oidentd/book/nat/_index.md
/usr/share/doc/oidentd/book/nat/forwarding.md
/usr/share/doc/oidentd/book/nat/introduction.md
/usr/share/doc/oidentd/book/nat/static-replies.md
/usr/share/doc/oidentd/book/security
/usr/share/doc/oidentd/book/security/_index.md
/usr/share/doc/oidentd/book/security/dropping-privileges.md
/usr/share/doc/oidentd/book/security/hiding-connections.md
/usr/share/doc/oidentd/book/security/identification-vs-authentication.md
/usr/share/licenses/oidentd
/usr/share/licenses/oidentd/COPYING
/usr/share/licenses/oidentd/COPYING.DOC
/usr/share/man/man5/oidentd.conf.5.gz
/usr/share/man/man5/oidentd_masq.conf.5.gz
/usr/share/man/man8/oidentd.8.gz

References

Summary

In this tutorial we learn how to install oidentd on Rocky Linux 8 using yum and dnf.