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Prepare for adding LattePanda IOTA based cluster hosts.

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This required the option to configure the available CPU as nomad assumes that we should only allocate based on the base CPU frequency but the N150 reports 800Mhz base but has a boost frequency more than 4x higher at 3.6GHz which would leave the CPU under utilised, instead we allocate at 1.8GHz (x4 cores).
This commit is contained in:
Adrian Cowan
2025-10-15 23:38:11 +11:00
parent cdf2a6b72e
commit c3f25d1bc5
6 changed files with 125 additions and 66 deletions
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1-nixos-node/0-install-nixos.md
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@@ -1,19 +1,42 @@
Follow steps at https://nixos.org/manual/nixos/stable/#sec-installation-manual-summary
Determine the correct device to install to
Note: run `lsblk` to determine correct device to install to.
Set the hostname when editing `/mnt/etc/nixos/configuration.nix` before the installation:
`networking.hostName = "jaglan-beta-mNN";`
Once `nixos-install` is complete and the root password is set and saved edit the `(/mnt)/etc/nixos/configuration.nix` again to enable ssh and run `nixos-rebuild switch`
```
services.openssh.enable = true;
services.openssh.settings.PermitRootLogin = "yes";
```sh
lsblk
```
Upgrade the OS
`nix-channel --list`
`nix-channel --add https://channels.nixos.org/nixos-25.05 nixos`
`nix-channel --list`
`nixos-rebuild switch --upgrade`
Steps based on https://nixos.org/manual/nixos/stable/#sec-installation-manual-summary for UEFI
```sh
parted /dev/mmcblk0 -- mklabel gpt
parted /dev/mmcblk0 -- mkpart root ext4 512MB -8GB
parted /dev/mmcblk0 -- mkpart swap linux-swap -8GB 100%
parted /dev/mmcblk0 -- mkpart ESP fat32 1MB 512MB
parted /dev/mmcblk0 -- set 3 esp on
mkfs.ext4 -L nixos /dev/mmcblk0p1
mkswap -L swap /dev/mmcblk0p2
swapon /dev/mmcblk0p2
mkfs.fat -F 32 -n boot /dev/mmcblk0p3
mount /dev/disk/by-label/nixos /mnt
mkdir -p /mnt/boot
mount -o umask=077 /dev/disk/by-label/boot /mnt/boot
nixos-generate-config --root /mnt
nano /mnt/etc/nixos/configuration.nix
# Set hostname networking.hostName = "jaglan-beta-mNN";
nixos-install
# Set the root password
nano /mnt/etc/nixos/configuration.nix
# Enable ssh access
# services.openssh.enable = true;
# services.openssh.settings.PermitRootLogin = "yes";
reboot
```
If starting from older nixos, upgrade the OS
```sh
nix-channel --list
nix-channel --add https://channels.nixos.org/nixos-25.05 nixos
nix-channel --list
nixos-rebuild switch --upgrade
```