rdma-ndd command not found

In this troubleshooting guide we learn how to fix rdma-ndd command not found error message

Introduction

When you run more command in linux terminal / console, you get the following error message

rdma-ndd: command not found

or when using sudo you get the following error message

sudo: rdma-ndd: command not found

Solutions to rdma-ndd: command not found

How To Fix rdma-ndd: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu rdma-ndd is provided by rdma-core package.

rdma-core is:

This package provides the basic boot time support for systems that use the Linux kernel’s remote direct memory access (RDMA) subystem which includes InfiniBand, iWARP, and RDMA over Converged Ethernet (RoCE).

Several kernel RDMA support daemons are included:

  • The rdma-ndd daemon which watches for RDMA device changes and/or hostname changes and updates the Node Description of the RDMA devices based on those changes.
  • The iWARP Port Mapper Daemon (iwpmd) which provides a kernel support service in userspace for iWARP drivers to claim TCP ports through the standard socket interface.

To fix this problem, we can install more using the command below.

sudo apt-get -y install rdma-core

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install rdma-core.

sudo apt -y install rdma-core

Or if you have aptitude installed you can use the following command.

sudo aptitude install rdma-core

Summary

In this tutorial we learn how to fix rdma-ndd command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.