Questions tagged [cluster]

A group of computers acting as one super-computer.

22 questions with no upvoted or accepted answers
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Is it possible to install Rocks Cluster Distribution on Raspberry Pi?

There are lots of websites about making a supercomputer with Raspberry Pi. Is it possible to install "Rocks Cluster Distribution" on Raspberry to have a more efficient cluster?
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0answers
332 views

Is it viable to run a cluster of Pis on PoE?

I’m thinking of experimenting with clustering RPis, but the thought of that mess of equipment (switch + multi-port USB charger) and cables is a bit of a turn-off. Does anyone know if there are any ...
2
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1answer
2k views

How to connect multiple Pi Zero ethernet gadgets to a Pi 2?

I followed this guide to turn my Raspberry Pi Zeroes into ethernet gadgets and I did not change anything in the /etc/network/interfaces or /etc/dhcpcd.conf files. All of the SD cards were fresh ...
2
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1answer
194 views

RPi 4 - 8 nodes - Appropriate switch for POE

I was thinking about an 8 port switch that can provide my 8 RPi's 4 power over POE. I think i have found one according to my needs ( small dimensions), namely the: Ubiquiti EdgeSwitch 10XP - https://...
1
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0answers
16 views

API requests on standalone WIFI access point

After following this tutorial, I was able to create a standalone WIFI access point. Now, I would like to run a server I developed in C++ and do API requests from an App on my phone. Then, I would ...
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0answers
94 views

Can the Raspberry Pi cluster be used with Unreal Engine 4 to split up tasks and make it faster?

I am planning on building a raspberry pi cluster with my computer so can it be used to run UE4 faster and more efficiently on my computer than without the raspberry pi cluster(4 raspberry pi’s)?
1
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0answers
171 views

PI2/3 Cluster with Hass.io (Home Assistant)

I have a Raspberry PI Cluster (1 master PI/2, 2 workers PI/3) with Raspbian, Docker, Kubernetes installed. I have no volumes defined (OpenEBS seems not officially supported yet). I initialized helm ...
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0answers
79 views

Raspberry Pi Cluster Computing With MPI

So I have followed this tutorial on how to make a Raspberry PI cluster computer. It works great, I can parallel my processes with MPI, but I'm also wondering if this is possible. Currently, all four ...
1
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0answers
42 views

Duplicate output in MPIEXEC

I have installed MPI on my 3 node raspberry-pi 3B+ cluster and whenever I run any command I get 12 replies, 4 from each node, as an example, when I run mpirun -machinefile machine-file hostname I get ...
1
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0answers
389 views

Crosscompiling with distcc on Raspberry Pi Cluster

I wanted to make a cluster of Raspberry Pi's for distributed compiling (C++), so I started with just one Pi for testing. After installing distcc on my PC and the Pi and configuring them the compiler ...
1
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0answers
93 views

Bluetoothctl scan response in cluster setup

I have a raspberry Pi cluster with 4 nodes. I wanted to run bluetoothctl in the master node and receive just the scan response in other three nodes in the cluster. Please help me how to do this. ...
1
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0answers
355 views

VPS on clustered Pi

Can I setup VPS on a clustered RPi? I think Raspbian takes only about a 100mb of RAM, so there's plenty of space left to 'virtual'ize another set of simple OS, but I'm not sure how. Any suggestions ...
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59 views

RPI cluster - Quality vs Quantity

If I have a fixed amount of money to invest in making a cluster, let's say 165$, I could buy 4 'rpi 4's(1GB ram) or 3 'rpi 4's(4GB ram), or 33 rpi zeros. Thinking about the cost of the boards only, ...
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0answers
46 views

Static IP address on the Raspberry PI 3 in combined network

I building cluster computer with two Raspberry PI 3 where I have 1 internet router and one LAN switcher. Both Raspberry PI are connected to the switcher. Internet router gateway is 192.168.1.1 LAN ...
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0answers
27 views

Loading root file system from NFS

I managed to simulate a Cluster HAT like environment with a Linux machine. I launched rpiboot with the modified config.txt, cmdline.txt and initramfs (which is missing from the original setup but is ...
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22 views

How to attach two raspberry pi zero w together with sepatate independent displays?

How do I attach two raspberry pi zero w's together with sepatate independent displays to function as "one computer with extended display on two panels"? The two displays are HDMI with usb touch (7 ...
0
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1answer
102 views

is it possible to set up a Raspberry pi cluster to act as a single pi with increased resources?

I have acquired some extra raspberry pi's and am looking to make use of them all in some way. As I have been reading around, all of the "turn your Pi into a supercomputer" articles are only referring ...
0
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0answers
241 views

BitLocker Brute Force

I have a couple of hard drives from my old Windows PC setup which are encrypted with BitLocker. One is 160GB and the other is 320GB. Since switching to using a Mac, they have sat for the past 5 or ...
0
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0answers
738 views

How do I open protocols and ports between two hosts

I am trying to configure my Docker Swarm Cluster and need to have the following ports open so that my cluster can communicate and operate correctly: TCP port 2377 TCP port and UDP port 7946 UDP port ...
0
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0answers
110 views

Is ethernet more efficient than wireless on a Pi

I'm thinking of building a small Pi cluster using a Bramble case or three, but I'm put off by the hassle of having a mess of Ethernet cables and a large router connecting together 10 or so so small ...
0
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1answer
503 views

Unable to reach pi cluster with hostnames on network

I'm currently working on a project using 4 raspberry pi as a cluster. These pi's are attached to each other through a local network, but I need to be able to send command to it from a host computer ...
0
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2answers
35 views

Raspberry PI 3 A+ x5 Cluster PSU Needed Recommendation

I plan to make this x5-x6 RPI 3 A+ cluster but I am no sure what USB Charger to use. I would really prefer something with 5-6 ports. I know the spec for output are 5V/2.5A and I plan to use it in ...