## Fan Control

`hwmon2/pwm1` => harddrives bay top
`hwmon2/pwm2` => CPU fan
`hwmon2/pwm4` => harddrives bay bottom
`hwmon2/pwm7` => mainboard bay top

| Name | Location   | Start | Stop |
| ---- | --------   | ----- | ---- |
| PWM1 | HDD Top    |    20 |    0 |
| PWM4 | HDD Bottom |    80 |   60 |
| PWM2 | CPU Fan    |  150? |   0? |
| PWM7 | Main Top   |    65 |   60 |

```
nix run github:nix-community/nixos-anywhere -- \
  --disko-mode mount \
  --flake .#odin \
  --target-host root@192.168.178.41
```

## Install Script

```bash
#!/usr/bin/env bash

# Create a temporary directory
temp=$(mktemp -d)

# Function to cleanup temporary directory on exit
cleanup() {
  rm -rf "$temp"
}
trap cleanup EXIT

# Create the directory where sshd expects to find the host keys
install -d -m755 "$temp/persist/etc/ssh"
install -d -m755 "$temp/etc/ssh"

# Decrypt your private key from the password store and copy it to the temporary directory
cat ./ssh_host_ed25519_key.txt > "$temp/persist/etc/ssh/ssh_host_ed25519_key"
cat ./ssh_host_rsa_key.txt > "$temp/persist/etc/ssh/ssh_host_rsa_key"
cat ./ssh_host_ed25519_key.txt > "$temp/etc/ssh/ssh_host_ed25519_key"
cat ./ssh_host_rsa_key.txt > "$temp/etc/ssh/ssh_host_rsa_key"

# Set the correct permissions so sshd will accept the key
chmod 600 "$temp/persist/etc/ssh/ssh_host_ed25519_key"
chmod 600 "$temp/persist/etc/ssh/ssh_host_rsa_key"
chmod 600 "$temp/etc/ssh/ssh_host_ed25519_key"
chmod 600 "$temp/etc/ssh/ssh_host_rsa_key"

# Install NixOS to the host system with our secrets
nix run github:nix-community/nixos-anywhere -- \
  --disko-mode mount \
  --extra-files "$temp" \
  --build-on-remote \
  --flake .#odin \
  root@[NIXOS-IP]
```