Switch from coreos to nixos

archive/1-coreos/2-install-coreos/readme.md

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+1. Download CoreOS "Live DVD" iso from https://fedoraproject.org/coreos/download?stream=stable#baremetal
+    For archival and for use in unraid these are stored at smb://betelgeuse-seven-unraid.local/isos
+2. Boot ISO
+    On unraid
+    1. **VMS > ADD VM > Linux/CoreOS**
+    2. Set **OS Install ISO** to downloaded iso
+    3. Choose **Primary vDisk Size**, say 10GB (they recommend 8GiB min but 8GB is less than that)
+3. Connect
+    On unraid: **VMS > (VM Icon, left click) > VM Console(VNC)**
+4. Identify disk to install to
+    `sudo vdisk -l`, on unraid this was /dev/vda
+5. Host the ignition file for the installer to see
+    Run `python3 -m http.server 8080` (from the folder with the ignition files)
+6. Install CoreOS
+    1. Get the OS on disk for tshe first time
+        `sudo coreos-installer install /dev/vda --insecure-ignition --ignition-url http://192.168.1.115:8080/jaglan-beta-m42.ign`
+    2. Reboot to injest ignition file and provision
+        `sudo reboot`
+        ssh should now work with the user's ssh keys from ignition file
+    3. Wait, the initial service will install the hashistack and reboot again
+    4. Repeat for m41 and m40.
+
+7. Boostrapping the consul cluster
+    1. Run `consul agent -bootstrap-expect 1 -bind 192.168.1.115 -ui -config-file ./etc/consul.d/consul.hcl` locally
+    2. Check the ui at http://localhost:8500/ui to ensure that the expected nodes are shown
+8. Boostrapping the nomad cluster
+    1. Run `nomad agent -bootstrap-expect 1 -config ./etc/nomad.d/nomad.hcl` locally
+    2. Check the ui at http://localhost:4646/ui to ensure that the expected nodes are shown
+
+# Useful Debugging Commands
+`sudo systemctl start consul`
+Read consul startup logs: `sudo journalctl -xeu consul.service`
+Start the consul UI locally: `consul agent -bind 192.168.1.115 -ui -config-file ./etc/consul.d/consul.hcl`