202501272226 Homelab Resources

A list of resources for quick access and referencing

SSH

Creating SSH Key

To create a SSH key, we can apply this command

ssh-keygen -o -a 100 -t ed25519 -f ~/.ssh/<name-of-key> -C youremail@youremail.com

Copy to host

After creating the ssh key, you might want to paste into the target remote host to ssh passwordless.

You can use this command:

ssh-copy-id -i ~/.ssh/<name-of-key> user@ip

Kubernetes

I might want to consider putting this into a separate subnet i.e. 10.0.11.0/24 in the near future.

Reference Hostnames

1. control-debian-cloud-home-01 : 10.0.10.40
2. control-debian-cloud-home-02 : 10.0.10.41
3. control-debian-cloud-home-03 : 10.0.10.42
4. worker-pi-home-01: 10.0.10.45
5. worker-pi-home-02: 10.0.10.46
6. worker-pi-home-03: 10.0.10.47

Raspberry Pi Resources

Disable USB 5V limitation

Sometimes, I might want to disable the 5V5A limit when trying to power via a non-official Pi5 power supply.

Add this into the boot/firmware/config.txt

[all]
usb_max_current_enable=1

NVME SSD PCIe Implementation

When we install a NVME hat on the Pi5, we should configure the correct boot order and also enable the PCIe before, setting it to the correct gen speed.

Stolen from Jeff Geerling 😍

# Add to bottom of /boot/firmware/config.txt
dtparam=pcie1x

# Note: You could also just add the following (it is an alias to the above line)
# dtparam=nvme

# Optionally, you can control the PCIe lane speed using this parameter
# dtparam=pciex1_gen=3

Set Correct Boot Order

# Edit the EEPROM on the Raspberry Pi 5.
sudo rpi-eeprom-config --edit

# Change the BOOT_ORDER line to the following:
BOOT_ORDER=0xf416

# Add the following line if using a non-HAT+ adapter:
PCIE_PROBE=1

# Press Ctrl-O, then enter, to write the change to the file.
# Press Ctrl-X to exit nano (the editor).

Jeff Geerling’s Guide