Install rancherd on ubuntu 21.04

Linux 5.11.0-25-generic #27-Ubuntu SMP Fri Jul 9 23:06:29 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Local time: Tue 2021-07-27 11:38:01 EDT

when installing rancherd
curl -sfL https://get.rancher.io | sh -

result:
[INFO] finding release for channel latest
[INFO] using v2.5.9 as release
[INFO] downloading checksums at https://github.com/rancher/rancher/releases/download/v2.5.9/sha256sum.txt
curl: (23) Failure writing output to destination

any help please