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mermaid - diagram renderer markdown

Mermaid Live editor
https://www.mermaidchart.com/play
https://mermaid-js.github.io/mermaid-live-editor/edit

Documentation
https://mermaid.js.org/syntax/flowchart.html
https://jojozhuang.github.io/tutorial/mermaid-cheat-sheet/

Integration in MkDocks
https://squidfunk.github.io/mkdocs-material/reference/diagrams/

Examples

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Docker Pi-hole

Install as Docker container
https://github.com/pi-hole/docker-pi-hole/blob/master/examples/docker_run.sh

Read more about Docker Pi-hole

Home Assistant ustreamer

Video Capture AV USB card (ARKMICRO 18ec:5555) / dmesg

[141319.682908] usb 1-1.4: New USB device found, idVendor=18ec, idProduct=5555, bcdDevice= 1.00
[141319.682941] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[141319.682955] usb 1-1.4: Product: USB2.0 PC CAMERA
[141319.682966] usb 1-1.4: Manufacturer: ARKMICRO
[141319.685776] usb 1-1.4: Found UVC 1.00 device USB2.0 PC CAMERA (18ec:5555)

TODO: Fix device permissions

chmod 0666 /dev/video0
 
# cat /etc/udev/rules.d/99-camera.rules
# DEVNAME="/dev/video0",MODE="0666"

Create container
https://hub.docker.com/r/mkuf/ustreamer

docker run -d \
  --name ustreamer \
  --restart always \
  -p 8080:8080 \
  --device /dev/video0:/dev/video0 \
  mkuf/ustreamer:latest

Stream
http://ha:8080/?action=stream

Debug

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LineageOS 21 / Android 14 on Samsung Galaxy A51

TWRP 3.7.0 on Samsung Galaxy A51 SM-A515F
https://www.recovery-mode.com/twrp/how-to-flash-twrp-3-7-0-on-samsung-galaxy-a51-sm-a515f-android-13-u8-a515fxxu8hwi1-firmware.html
https://www.youtube.com/watch?v=_-Opl8fKUAE

Odin3_v3.14.4.zip
Root_A51_U8_androidhowto.tar
 
# download to SD card from Telegram
DynaPatch-V2.0.zip
Disable_Dm-Verity_ForceEncrypt_03.04.2020.zip
multidisabler-samsung-3.1.3.zip
 
adb reboot recovery

LineageOS 21 / Android 14 ROM for Samsung Galaxy A51
https://www.recovery-mode.com/custom-rom/lineageos-21-unofficial-android-14-rom-for-samsung-galaxy-a51-update-240424.html
https://drive.google.com/drive/folders/1LqIfbjuEhngEMTNGa5SOPqoGgDyCDs5n

lineage-21.0-20240424-UNOFFICIAL-a51.zip

Install minimal PlayStore with NikGapps for Android 14(U)
https://nikgapps.com/downloads#downloads
https://sourceforge.net/projects/nikgapps/files/Releases/NikGapps-U/07-Nov-2023/NikGapps-core-arm64-14-20231107-signed.zip/download

NikGapps-core-arm64-14-20231107-signed.zip

Install Android Auto
https://sourceforge.net/projects/nikgapps/files/Releases/Addons-U/07-Nov-2023/

NikGapps-Addon-14-AndroidAuto-20231107-signed.zip

Install all zip files in TWRP recovery then reboot the phone

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Large language models (LLM)

Ollama
https://ollama.com/download

curl -fsSL https://ollama.com/install.sh | sh
ollama run llama3

Nvidia GPUs / CUDA capability
https://github.com/ollama/ollama/blob/main/docs/gpu.md

Docker
https://hub.docker.com/r/ollama/ollama

Links
https://github.com/ollama/ollama

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OpenStack GPU passthrough

Enable iommu in BIOS

Get MMUI groups

shopt -s nullglob
for g in $(find /sys/kernel/iommu_groups/* -maxdepth 0 -type d | sort -V); do
    echo "IOMMU Group ${g##*/}:"
    for d in $g/devices/*; do
        echo -e "\t$(lspci -nns ${d##*/})"
    done;
done;

Configure compute node

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Show neutron router namespaces by floating IP (FIP)

FLOATING_IP=1.2.3.4
 
# search in floating IP table
ROUTER_ID=$(openstack floating ip list --floating-ip-address ${FLOATING_IP} --long -c Router -f value)
if [ -z ${ROUTER_ID} ]; then
    # search in router
    ROUTER_ID=$(openstack router list --long | grep ${FLOATING_IP} | cut -d" " -f2)
fi
 
PROJECT_ID=$(openstack router show ${ROUTER_ID} -c project_id -f value)
 
echo -e "\e[34m# Project"
openstack router show ${ROUTER_ID} -c id -c name 
 
echo
echo -e "\e[34m# Router"
openstack project show ${PROJECT_ID} -c id -c name -c description
 
echo
echo -e "\e[34m# Router namespaces"
openstack network agent list --router ${ROUTER_ID} --long --sort-column 'HA State'
echo

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Install Home Assistant on Raspberry Pi

Install Home Assistant on Raspberry Pi
https://www.home-assistant.io/installation/raspberrypi/

# Install rpi-imager
sudo apt install rpi-imager
 
# Create Homeassistant SD-Card
# Other specific-purpose OS > Home assistants and home Automation > Home Assistant OS
 
# Connect to HA
http://YOUR_HOME_ASSISTANT_IP:8123/
 
# Create Home Assistant account
 
# Install SSH plugin in Add-on-Store
http://YOUR_HOME_ASSISTANT_IP:8123/hassio/addon/core_ssh/info
 
# Open SSH Web CLI
http://YOUR_HOME_ASSISTANT_IP:8123/hassio/ingress/core_ssh
 
# get wifi data from workstation
WIFI_SSID="$(nmcli dev wifi show-password | grep SSID | cut -d' ' -f2-)" 
WIFI_PASS="$(nmcli dev wifi show-password | grep Pass | cut -d' ' -f2-)"
echo ha network update wlan0 \
  --ipv4-method auto \
  --wifi-auth wpa-psk \
  --wifi-mode infrastructure \
  --wifi-ssid \'${WIFI_SSID}\' \
  --wifi-psk \'${WIFI_PASS}\'
 
# paste output to SSH online console 
 
# debug
ha network info