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Why is FUSE required with FNP 11.14.1.1 install_fnp.sh on Linux?

Why is FUSE required with FNP 11.14.1.1 install_fnp.sh on Linux?

Summary

Why is FUSE required with FNP 11.14.1.1 install_fnp.sh on Linux?

Question

We noticed that the FNP 11.14.1.1 install_fnp.sh script on Linux errors out if FUSE support is not detected. Have the requirements here changed between 11.13.0 and 11.14.1.1? It appears that licensing works with and without FUSE on both versions.

Answer

The FUSE component, which is typically present on supported RHEL and SLES distributions, has provided Activation Secure File Anchors since FNP 11.11.1. (Some customers have managed to run Activation applications with them, but it's not recommended.)

FNP 11.14.1 introduced the FNP Licensing Service Daemon (see Release Notes) to provide fast access to VM detection results and potentially, in the future, other system related information. It is now a requirement that the FUSE subsystem is installed and correctly running on the host machine in order to run the FNP Licensing Service daemon. FNP 11.14.1.1's install_fnp.sh script was modified to notify if it isn't to help enforce this new requirement.

Additional Information

To install FUSE onto an RHEL/Centos machine, run the following command as root (or with sudo):
$ yum install fuse-devel fuse-libs fuse gvfs-fuse

For SLES the command will be:
$ apt-get install fuse-devel fuse-libs fuse gvfs-fuse

On older RHEL & SLES systems, you might also need to run (as root/sudo):
$ modprobe fuse
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