Simon Banks
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1 answers
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101 views
Wrong password creating on first boot (cloud-init) (Ubuntu 20.04 server, RPI 4)
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3 votes

Yes this one got me as well its because of the following parameter and its default settings;- lock_passwd: Optional. Disable password login. Default: true So the fix is to set lock_passwd: false in ...

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1 answers
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42 views
Systemd service not updating
2 votes

The systemd WorkingDirectory= setting defines on which directory the service will be launched, same as when you use cd to change a directory when you're working in the shell. That doesn't mean that ...

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4 answers
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952 views
CM4 IO Board Fan I2C
1 votes

Have found a working solution to the control of the fan controller. User neg2led has created a GitHub project for the kernel driver which includes install instructions here:- https://github.com/...

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1 answers
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48 views
Is there a risk for the rpi to be under powered?
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1 votes

Undervoltage may cause your PI to crash and that might result in repairable disk or file corruptions. However data may be lost in files written to these files so its not ideal. Whilst its unlikely ...

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1 answers
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39 views
Streaming via DLNA is smooth, but same video via browser is unenjoyable
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1 votes

DVLA uses UDP (user datagram packets) and multicast (which is also packet based) to stream video over the network and its significantly faster than TCP (sockets). That's because the overhead of ...

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1 answers
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57 views
How to clone USB Boot drive to smaller SD Card
1 votes

Resizing is performed using the resize2fs command. Ensure that you have an up to date backup of the filesystem Shrinking a filesystem is a moderately high-risk operation, so if you take backups of the ...

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1 answers
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36 views
What is the name and specs for the RPi CM 4's GPIO connectors?
1 votes

I understand they are '100pin Hirose DF40JC high-density connectors' and they they don't just carry the GPIO connections they carry all of the Raspberry pi's IO HDMI, USB, Networking etc.

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1 answers
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90 views
I broke my network on my raspberry pi
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1 votes

Easily done and its good to play.. Login to your machine via the console.. and use your editor of choice to edit /etc/netplan/50-cloud-init.yaml. network: version: 2 ethernets: eth0: ...

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1 answers
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69 views
What's the best media server solution for RPi4 for remote watching?
1 votes

I will recommend Plex (https://www.plex.tv) its is free to use and supports Movies, TV, Photos and Music playback. It can support multiple backends (so you can spread your media around on multiple ...

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1 answers
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376 views
Anyone successfully managed to get the CM4 to boot directly from a PCIe SSD?
1 votes

So it was fairly easy to follow the instructions for rpi-eeprom-update to install to the beta version the epprom code. Which is covered here:- https://www.raspberrypi.org/documentation/hardware/...

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1 answers
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400 views
How to build initramfs for custom kernel from cross-compile machine
1 votes

I always use the package initramfs-tools which contains update-initramfs its a pretty easy to use script based initramfs-hook system. Though as making a single mistake will r So when I've modified ...

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1 answers
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40 views
how to log and view system messages on PiZeroW?
1 votes

Login via ssh or console and look at /var/log/syslog using more, less, grep or your favourite editor. Connection reset by peer is an error generated when the remote side drops the connection. It ...

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1 answers
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24 views
Is there a way to grant raspberry pi that you have ssh'd into access to a VPN that you're currently connect to?
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Yes you could either tunnel specific ports that you want to use or use the OpenSSH SOCK5 proxy which allows you to share all TCP networking with another machine over a SSH login. However normally -D ...

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1 answers
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38 views
Raspberry Pi Zero W won't connect to network
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A Raspberry PI network configuration guide is here https://www.raspberrypi.org/documentation/computers/configuration.html#configuring-networking31 Troubleshooting tips Double-check that the file was ...

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1 answers
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37 views
host proxying hotspot on rasberri pi b
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Firstly only certain USB devices work with the RPI.. Be sure to check that they will work before buying them. Easiest method is to use the snap wifi-ap package it will allow you to setup a Wifi ...

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1 answers
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36 views
Can I use the usb pins on the pi cm4 directly?
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The CM4 edge connectors are tiny.. IMHO they are not solderable by hand. You'd need to build a breakout for the CM4 which expands out to a GPIO and also PWR. The smallest CM4 IO board I know of is the ...

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1 answers
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66 views
What's the minimum Raspberry Pi that can display the output from the Raspberry Pi camera at 30fps in real time?
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My response which is qualified below would be Raspberry PI Zero (W if you want WIFI) V1.3 and a Raspberry PI Camera V2.1 via CSI-2. I recommend MotionEyeOS if you want an quick/easy method of getting ...

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1 answers
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34 views
Process in real time
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You Need to exclude one CPU from the Overall scheduling in your /boot/cmdline.txt, afterwards you can assign the process to it via taskset as you already found out. To exclude a CPU, add the boot ...

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1 answers
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49 views
Wireless Key fob
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A guide to setting up a 'poor man's 433MHz RF Snigger' which can be done on a raspberry pi. https://www.codrey.com/electronic-circuits/433mhz-rf-sniffer/ And Super Simple Raspberry Pi 433MHZ home ...

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1 answers
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103 views
Turn old phone camera into raspberry pi camera
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I use a linux solution called 'motion' to stream from both Raspberry PI Cameras and from remote IP based cameras. If you don't want to have to build motion on your PI there is a image based distro ...

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2 answers
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975 views
Ubuntu booting from SSD (USB) with Raspi 4
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The RPI4 with the current firmware can boot from USB.. However what I think is happening in your case is it's booting from the SD card then it's remounting the drives of the USB drive. In RPIOS the ...

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1 answers
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104 views
Connect with tmux instead of screen
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0 votes

tmux doesn't include a serial comms options however.. You con Pi's like the zero configure the USB port as a USB ethernet gadget and then ssh to the RPI0 via the USB cable. Then run tmux as you ...

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1 answers
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168 views
Ubuntu 20.10 aarch64 (Raspberry Pi CM4) how do I access 1-Wire devices?
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It appears the the w1-gpio, w1-therm and wire are in the generic kernel not the raspi I've not managed to build the kernel the instructions on line don't work. But at least I know that the drivers are ...

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1 answers
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456 views
How to control raspberry pi 4 GPIO pins by running android application in the rpi and in mobile?
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There is no official support for android on RPI4 but here is guide to installing Android.. https://fossbytes.com/how-to-install-android-on-raspberry-pi-4/

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1 answers
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476 views
Multiple WIFI on Raspberry pi Zero
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Install netplan apt install netplan.io Create a netplan config file e.g./etc/netplan/00-wifis.yaml network: version: 2 wifis: wlan0: dhcp4: false addresses: [192.168.8.101/24] ...

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3 answers
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31 views
Avoiding voltage drops when simultaneously using multiple DRV8833 motor drivers
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When I did my raspberry pi pan and tilt webcam had the same issue in that on boot the servers caused over voltage on the board and it would reboot and repeat ad-infinitum. However it was only at boot ...

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2 answers
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236 views
raspberry pi as gateway lan/wifi
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I recommend the snap package wifi-ap:- https://snapcraft.io/install/wifi-ap/raspbian After its installed its a simple matter of using the wifi-ap.config command to configure you access point and ...

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1 answers
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129 views
USB Button with LED
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I've a couple of these gadgets. They identify themselves as HID Keyboards so by default they will sent chars to your computer. There is no SDK as such for non-windows boxes but its just keypresses ...

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1 answers
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309 views
USB OTG and USB Hub on PI Zero
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There are USB adaptor hats (or a cable) for Raspberry Pi zero they allow you to plug in the Raspberry PI into your computer (and be power by) as if the Raspberry PI is a Network adaptor. Which means ...

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2 answers
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361 views
Usb not working on RPI4B
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That is classic over voltage and if you need all of the USB devices you have connected at once is to use a powered USB hub then plug all of your external USB into that. In that way the USB devices ...

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