Getting error when installing the opc ua package on the iot2020

Hi,

I have the following two problems:

1) while installing the opc ua package on the iot2020 I get the following error message:

root@iot2000:/usr/lib/node_modules# npm install node-red-contrib-opcua
npm ERR! Linux 4.4.154-cip28
npm ERR! argv "/usr/bin/node" "/usr/bin/npm" "install" "node-red-contrib-opcua"
npm ERR! node v6.14.3
npm ERR! npm  v3.10.10
npm ERR! code EAI_AGAIN
npm ERR! errno EAI_AGAIN
npm ERR! syscall getaddrinfo

npm ERR! getaddrinfo EAI_AGAIN registry.npmjs.org:443
npm ERR!
npm ERR! If you need help, you may report this error at:
npm ERR!     <https://github.com/npm/npm/issues>

npm ERR! Please include the following file with any support request:
npm ERR!     /usr/lib/node_modules/npm-debug.log

I'm using the latest image.

[snip]

Thanks for your help in advance!

Andreas

------------------------------------------------------------------------------------------
Split from OPC UA Client with node-red.