====Head Node==== The **X10DRL-CT** The head node computer arrived new at the ATA on May 26, 2018. Here is what it looks like from the rear: {{:new-nsg-headnode.png|}} * {{ :head-node-motherboard-quick-ref.pdf |Head node quick reference}} * [[http://setiquest.info/files/head-node-motherboard-user-manual.pdf|User manual]] ===OS install=== Ubuntu 18.04LTS No longer use /etc/network/interfaces. Now use netplan /etc/netplan/01-netcfg.yaml network: version: 2 renderer: networkd ethernets: eno2: dhcp4: no dhcp6: no addresses: [10.1.49.167/24] gateway4: 10.1.49.1 nameservers: addresses: [8.8.8.8,8.8.4.4] eno1: dhcp4: no dhcp6: no addresses: [10.1.48.167/24] gateway4: 10.1.49.1 nameservers: addresses: [8.8.8.8,8.8.4.4] The "netplan --debug apply" to reset ===Misc=== For reference, the previous head node is documented [[initial_head_node_arch|HERE]]