local:
root@puppetagent:/etc/apt/sources.list.d# apt-get update
Get:1 http://<hostname> trusty InRelease [3,778 B]
Ign http://<hostname> trusty InRelease
Ign http://<hostname> trusty/main amd64 Packages/DiffIndex
Ign http://<hostname> trusty/main i386 Packages/DiffIndex
Get:2 http://<hostname> trusty/main amd64 Packages [31.8 kB]
Get:3 http://<hostname> trusty/main i386 Packages [1,938 B]
Ign http://<hostname> trusty/main Translation-en_US
Ign http://<hostname> trusty/main Translation-en
Fetched 37.5 kB in 6s (5,694 B/s)
Reading package lists... Done
W: GPG error: http://mirrors-aic.it.att.com trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY <key>
server:
root@node-20:/etc/apt/sources.list.d# apt-get update
Get:1 http://<hostname> trusty InRelease [3,778 B]
Ign http://<hostname> trusty InRelease
Ign http://<hostname> trusty/main amd64 Packages/DiffIndex
Get:2 http://<hostname> trusty/main amd64 Packages [31.8 kB]
Fetched 35.5 kB in 5s (6,877 B/s)
Reading package lists... Done
W: GPG error: http://<hostname> trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY <key>