How To Install ucx-rdmacm on CentOS 8

ucx-rdmacm is UCX RDMA connection manager support

Introduction

In this tutorial we learn how to install ucx-rdmacm on CentOS 8.

What is ucx-rdmacm

Provides RDMA connection-manager support to UCX, which enables client/server based connection establishment for RDMA-capable transports.

We can use yum or dnf to install ucx-rdmacm on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install ucx-rdmacm.

Install ucx-rdmacm on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

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

sudo dnf -y install ucx-rdmacm

Install ucx-rdmacm on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install ucx-rdmacm using yum by running the following command:

sudo yum -y install ucx-rdmacm

How To Uninstall ucx-rdmacm on CentOS 8

To uninstall only the ucx-rdmacm package we can use the following command:

sudo dnf remove ucx-rdmacm

ucx-rdmacm Package Contents on CentOS 8

/usr/lib/.build-id
/usr/lib/.build-id/46
/usr/lib/.build-id/46/d35ff6266ad52627f5c3b29c1a270317699ce5
/usr/lib64/ucx/libuct_rdmacm.so.0
/usr/lib64/ucx/libuct_rdmacm.so.0.0.0

References

Summary

In this tutorial we learn how to install ucx-rdmacm on CentOS 8 using yum and dnf.