wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.33.8/install.sh | bash

remote: Counting objects: 264, done.
remote: Compressing objects: 100% (229/229), done.

error: cannot fork() for --shallow-file: Resource temporarily unavailable
fatal: fetch-pack: unable to fork off index-pack
Failed to clone nvm repo. Please report this!