update_vcn

secure:

curl -s https://git.lattuga.net/panda/update_vcn/raw/master/update_vcn.sh | bash

INsecure:

curl -k -s https://git.lattuga.net/panda/update_vcn/raw/master/update_vcn_insecure.sh | bash

(yeah, I have non-updated machines with very old ca-certificates)