How To Install ucarp on Fedora 36

In this tutorial we learn how to install ucarp in Fedora 36. ucarp is Common Address Redundancy Protocol (CARP) for Unix

Introduction

In this tutorial we learn how to install ucarp on Fedora 36.

What is `ucarp`

UCARP allows a couple of hosts to share common virtual IP addresses in order to provide automatic failover. It is a portable userland implementation of the secure and patent-free Common Address Redundancy Protocol (CARP, OpenBSD’s alternative to the patents-bloated VRRP). Strong points of the CARP protocol are signed messages, interoperability between different operating systems and no need for any dedicated extra network link between redundant hosts.

We can use yum or dnf to install ucarp on Fedora 36. In this tutorial we discuss both methods but you only need to choose one of method to install ucarp.

Install ucarp on Fedora 36 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

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

sudo dnf -y install ucarp

Install ucarp on Fedora 36 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

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

sudo yum -y install ucarp

How To Uninstall ucarp on Fedora 36

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

sudo dnf remove ucarp

ucarp Package Contents on Fedora 36

/etc/ucarp
/etc/ucarp/vip-001.conf.example
/etc/ucarp/vip-001.pwd.example
/etc/ucarp/vip-common.conf
/usr/lib/.build-id
/usr/lib/.build-id/22
/usr/lib/.build-id/22/0ca5b7d3aa35fd13f3996833895443c7e036a5
/usr/lib/systemd/system/[email protected]
/usr/libexec/ucarp
/usr/libexec/ucarp/ucarp
/usr/libexec/ucarp/vip-down
/usr/libexec/ucarp/vip-up
/usr/sbin/ucarp
/usr/share/doc/ucarp
/usr/share/doc/ucarp/AUTHORS
/usr/share/doc/ucarp/ChangeLog
/usr/share/doc/ucarp/NEWS
/usr/share/doc/ucarp/README
/usr/share/licenses/ucarp
/usr/share/licenses/ucarp/COPYING
/usr/share/locale/en@boldquot/LC_MESSAGES/ucarp.mo
/usr/share/locale/en@quot/LC_MESSAGES/ucarp.mo

References

ucarp website

Summary

In this tutorial we learn how to install ucarp on Fedora 36 using yum and [dnf]((/fedora/36/dnf/).