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I am using Raspberry pi for the cluster, that would display the basic data like the CAN data and one wire data. For can I used the Can-Socket and for one wire I am just reading a gpio pin of raspberry pi. Also for navigation I am screencasting using vnc. OS used- Raspbian bullseye legacy 32 bit for the UI it is run using the Midori software.

The booting time is nearly 20seconds. which i probably need in 3-4 seconds.

As I see videos on cluster i see is - using buildroot, using qt/qml for UI. For navigation I see is they have built an mobile application and navigating through bluetooth

I want to know the approach and understand the way that should be followed. I am certainly not getting any tutorial explaining this.

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  • You might want to clarify what it is you actually need to have happen within 3-4 seconds, since "booting time" is very ambiguous: Do you mean: 1) The time it takes to load the kernel and start the init system? 2) The time before a login prompt is available? 3) The time it takes for a GUI application or desktop to load? 4) The time it takes for a specific background service to start? 5) The time it takes to connect to a network? Etc. -- see also the XY problem.
    – goldilocks
    Commented Nov 23, 2023 at 16:16
  • the time it takes for the GUI application to load..
    – John Mist
    Commented Nov 24, 2023 at 5:23
  • What does a "cluster" mean - there is no detail of what hardware you are using.
    – Milliways
    Commented Nov 24, 2023 at 5:51
  • i am receiving data from can and one wire from a separate controller. I want to show those data on a dashboard. i did achieve this but the booting time to a full interactive gui takes about 20seconds. I want to achieve the same within 3-4 seconds. what should I probably do. like building a custom os
    – John Mist
    Commented Nov 24, 2023 at 8:59

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