How To Install nvmetcli on CentOS 8

nvmetcli is An adminstration shell for NVMe storage targets

Introduction

In this tutorial we learn how to install nvmetcli on CentOS 8.

What is nvmetcli

This package contains the command line interface to the NVMe over Fabrics nvmet in the Linux kernel. It allows configuring the nvmet interactively as well as saving / restoring the configuration to / from a json file.

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

Install nvmetcli 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 nvmetcli using dnf by running the following command:

sudo dnf -y install nvmetcli

Install nvmetcli 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 nvmetcli using yum by running the following command:

sudo yum -y install nvmetcli

How To Uninstall nvmetcli on CentOS 8

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

sudo dnf remove nvmetcli

nvmetcli Package Contents on CentOS 8

/etc/nvmet
/usr/lib/python3.6/site-packages/nvmet
/usr/lib/python3.6/site-packages/nvmet/__init__.py
/usr/lib/python3.6/site-packages/nvmet/__pycache__
/usr/lib/python3.6/site-packages/nvmet/__pycache__/__init__.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/nvmet/__pycache__/__init__.cpython-36.pyc
/usr/lib/python3.6/site-packages/nvmet/__pycache__/nvme.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/nvmet/__pycache__/nvme.cpython-36.pyc
/usr/lib/python3.6/site-packages/nvmet/__pycache__/test_nvmet.cpython-36.opt-1.pyc
/usr/lib/python3.6/site-packages/nvmet/__pycache__/test_nvmet.cpython-36.pyc
/usr/lib/python3.6/site-packages/nvmet/nvme.py
/usr/lib/python3.6/site-packages/nvmet/test_nvmet.py
/usr/lib/python3.6/site-packages/nvmetcli-0.6-py3.6.egg-info
/usr/lib/python3.6/site-packages/nvmetcli-0.6-py3.6.egg-info/PKG-INFO
/usr/lib/python3.6/site-packages/nvmetcli-0.6-py3.6.egg-info/SOURCES.txt
/usr/lib/python3.6/site-packages/nvmetcli-0.6-py3.6.egg-info/dependency_links.txt
/usr/lib/python3.6/site-packages/nvmetcli-0.6-py3.6.egg-info/top_level.txt
/usr/lib/systemd/system/nvmet.service
/usr/sbin/nvmetcli
/usr/share/doc/nvmetcli
/usr/share/doc/nvmetcli/README
/usr/share/licenses/nvmetcli
/usr/share/licenses/nvmetcli/COPYING
/usr/share/man/man8/nvmetcli.8.gz

References

Summary

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