How To Install ucarp on CentOS 7
Introduction
In this tutorial we learn how to install ucarp on CentOS 7.
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 very low overhead, cryptographically 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 CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install ucarp.
Install ucarp on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install ucarp using yum by running the following command:
sudo yum -y install ucarp
Install ucarp 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 ucarp using dnf by running the following command:
sudo dnf -y install ucarp
How To Uninstall ucarp on CentOS 7
To uninstall only the ucarp package we can use the following command:
sudo dnf remove ucarp
References
Summary
In this tutorial we learn how to install ucarp on CentOS 7 using yum and dnf.
