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== Proxmox Cluster ==
The majority of our infrastructure are VMs in the Proxmox cluster, so everything can be [https://en.wikipedia.org/wiki/High_availability highly-available] (meaning VMs can jump to another Proxmox node if one goes down).
=== Proxmox Nodes ===
The nodes in the cluster include:
* [10.10.1.20] Kurisu
* [10.10.1.21] Okabe (currently offline; running Windows 10 LTSC temporarily to poke around with [[Locked HGST drives|HGST Drives]])
* [10.10.1.22] Daru
* [10.10.1.23] Luka
* [10.10.1.24] Mayuri
* [10.10.1.25] MrBraun (HP Server)
These are also listed in [[Servers]] since they're all physical servers in the GLRC rack.
=== Virtual Machines ===
The VMs in the cluster include
* [10.10.1.2] PXEBoot server (inactive)
* [10.10.1.8] Huskybot IRC<->Matrix<->Discord bridge
* [10.10.1.9] LUG IRC Server (running ergo)
* [10.10.1.12] Invidious (private youtube frontend, currently inactive)
* [10.10.1.14] BookStack (alternative knowledgebase for documentation. Inactive, we're using this Wiki instead)
* [10.10.1.15] The lug.mtu.edu website and HTTP reverse-proxy for everything else behind NAT (running NGINX)
* [10.10.1.16] This Wiki
* [10.10.1.17] Netbox (network/rack-related documentation. Currently inactive, overly complicated for our needs)
* [10.10.1.70] Socksproxy (so members using the split-tunneled LUG VPN have an easy way to route traffic through LUG)
* [10.10.1.71] VM for accessvillage.net (contact [[User:D2wn|Noah]] if any issues)
* [10.10.1.76] debian (noah courseproject; will eventually delete)
* [10.10.1.99] Noah's personal VM for random stuff
* [10.10.1.170] hashtopolis (RedTeam Hashtopolis server for CTFs)
* [10.10.1.172] badapple (parrot.live-like badapple service)
=== Updating Nodes ===
Proxmox runs on top of Debian, so the updating process is the same.
# <code>apt update && apt upgrade</code>
# (Optional) Remove the annoying unlicensed popup from web dashboard: <code>sed -Ezi.bak "s/(Ext.Msg.show\(\{\s+title: gettext\('No valid sub)/void\(\{ \/\/\1/g" /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js && systemctl restart pveproxy.service</code>
# (Optional) Manually migrate all VMs to other Proxmox nodes first; Proxmox doesn't do this automatically and all the VMs running on the host when it reboots will go offline until the host comes back up
# (Optional but recommended) <code>reboot</code> the node
For the yearly major version bumps, you may need to run <code>apt update && apt upgrade</code>, followed by <code>apt dist-upgrade</code>
This is the process on Debian, but I haven't tested it on Proxmox yet.
Check the [https://pve.proxmox.com/wiki/Category:Upgrade Proxmox wiki's 'Upgrade' category] for specific instructions when the time comes.
== Mirrors ==
We're in the process of rebuilding it, but in the meantime this is what we've been doing to manage it thus far:
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