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@jpbalarini
jpbalarini / application_controller.rb
Last active Nov 19, 2021
Ruby on Rails CORS Preflight Check
View application_controller.rb
before_action :cors_set_access_control_headers
def cors_preflight_check
return unless request.method == 'OPTIONS'
cors_set_access_control_headers
render json: {}
end
protected
View gist:f88e2ddb344cf99f299935e1312da880
# perform a fresh install of Ubuntu 17.10
# upgrade the kernel to v4.13.10
mkdir ~/kernel-v4.13.10
cd ~/kernel-v4.13.10
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13.10/linux-headers-4.13.10-041310_4.13.10-041310.201710270531_all.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13.10/linux-headers-4.13.10-041310-generic_4.13.10-041310.201710270531_amd64.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13.10/linux-image-4.13.10-041310-generic_4.13.10-041310.201710270531_amd64.deb
sudo dpkg -i *.deb