How To Install ipvsadm on CentOS 7

In this tutorial we learn how to install ipvsadm on CentOS 7. ipvsadm is Utility to administer the Linux Virtual Server

Introduction

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

What is ipvsadm

ipvsadm is used to setup, maintain, and inspect the virtual server table in the Linux kernel. The Linux Virtual Server can be used to build scalable network services based on a cluster of two or more nodes. The active node of the cluster redirects service requests to a collection of server hosts that will actually perform the services. Supported Features include - two transport layer (layer-4) protocols (TCP and UDP) - three packet-forwarding methods (NAT, tunneling, and direct routing) - eight load balancing algorithms (round robin, weighted round robin, least-connection, weighted least-connection, locality-based least-connection, locality-based least-connection with replication, destination-hashing, and source-hashing)

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

Install ipvsadm on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

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

sudo yum -y install ipvsadm

Install ipvsadm 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 ipvsadm using dnf by running the following command:

sudo dnf -y install ipvsadm

How To Uninstall ipvsadm on CentOS 7

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

sudo dnf remove ipvsadm

References

Summary

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