How To Install ucx-cma on CentOS 8
Introduction
In this tutorial we learn how to install ucx-cma on CentOS 8.
What is ucx-cma
Provides CMA (Linux cross-memory-attach) transport for UCX. It utilizes the system calls process_vm_readv/writev() for one-shot memory copy from another process.
We can use yum or dnf to install ucx-cma on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install ucx-cma.
Install ucx-cma 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-cma using dnf by running the following command:
sudo dnf -y install ucx-cma
Install ucx-cma 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-cma using yum by running the following command:
sudo yum -y install ucx-cma
How To Uninstall ucx-cma on CentOS 8
To uninstall only the ucx-cma package we can use the following command:
sudo dnf remove ucx-cma
ucx-cma Package Contents on CentOS 8
/usr/lib/.build-id
/usr/lib/.build-id/5f
/usr/lib/.build-id/5f/1bf37defc869a5f9bcc6937073c34af47a063b
/usr/lib64/ucx/libuct_cma.so.0
/usr/lib64/ucx/libuct_cma.so.0.0.0
References
Summary
In this tutorial we learn how to install ucx-cma on CentOS 8 using yum and dnf.