How To Install libibverbs on CentOS 7

In this tutorial we learn how to install libibverbs on CentOS 7. libibverbs is A library and drivers for direct userspace use of RDMA

Introduction

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

What is libibverbs

libibverbs is a library that allows userspace processes to use RDMA “verbs” as described in the InfiniBand Architecture Specification and the RDMA Protocol Verbs Specification. This includes direct hardware access from userspace to InfiniBand/iWARP adapters (kernel bypass) for fast path operations. Device-specific plug-in ibverbs userspace drivers are included - libbxnt_re - libcxgb3 - libcxgb4 - libhfi1 - libhns - libi40iw - libipathverbs - libmlx4 - libmlx5 - libmthca - libnes - libocrdma - libqedr - librxe - libvmw_pvrdma libibverbs is a library that allows userspace processes to use RDMA “verbs” as described in the InfiniBand Architecture Specification and the RDMA Protocol Verbs Specification. This includes direct hardware access from userspace to InfiniBand/iWARP adapters (kernel bypass) for fast path operations. Device-specific plug-in ibverbs userspace drivers are included - libbxnt_re - libcxgb3 - libcxgb4 - libhfi1 - libhns - libi40iw - libipathverbs - libmlx4 - libmlx5 - libmthca - libnes - libocrdma - libqedr - librxe - libvmw_pvrdma

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

Install libibverbs on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

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

sudo yum -y install libibverbs

Install libibverbs 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 libibverbs using dnf by running the following command:

sudo dnf -y install libibverbs

How To Uninstall libibverbs on CentOS 7

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

sudo dnf remove libibverbs

References

Summary

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