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Raspberry Pi User Help

Direct Ethernet Connection not working on Windows 10 only

As the title suggests, I have a raspberry pi (model 3b) that I am attempting to connect to a windows machine (using ssh) directly via an ethernet cable. The cable and pi work with my laptop running MacOs, so I can verify the problem is not the hardware. I am running Windows 10 Education Edition […]

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Raspberry Pi User Help

Black Login Screen

0 So on my Raspberry Pi 3B, I currently have Ubuntu MATE 20.04.1 installed. I wanted to try out different desktop environments, so I installed xubuntu-core and lubuntu-core with all the recommended packages and rebooted. After I rebooted, all the services have been started correctly but after it starts, I expect the MATE login screen […]

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Raspberry Pi User Help

MPG321 “Home directory not accessible: Permission denied” on PHP exec_shell

I try to execute a shell from a PHP using exec_shell() function, but it doesn’t working. I’ve tried chmod, chown and doesn’t execute but on terminal yes. Sorry for this question but I really need a help. <3 Thanks Code: <?php echo "<pre>".shell_exec(‘mpg321 whisper.mp3 2>&1 1> /dev/null’)."</pre>"; ?> Return: Version 0.3.2-1 (2012/03/25). Written and copyrights […]

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Raspberry Pi User Help

Rpi do not responds on opening chromium-browser while Rpi is in Overlay Filesystem mode

Facing issue while Raspberry Pi runs on overlay filesystem ON.. Here is steps to reproduce: 1: load and run raspberry pi image 2020-12-02-raspios-buster-armhf.img 2: open chromium–browser (browser opens perfectly). 3: now close chromium-browser and start RPi filesystem Overlay from Raspi-config. 4: Reboot pi. 5: Start chromium-browser once again(issue starts here..) When chromium-browser is started on […]

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Raspberry Pi User Help

USB SSH Connection refused/No route to host

I know this has been asked before but I can’t find a solution that works for me so I’m going to try asking again. I’m using a Pi Zero W headless and trying to SSH into it from my Ubuntu 18.04 machine via USB. I’ve set IPv4 to link-local and set IPv6 to disabled. Running […]

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Raspberry Pi User Help

Micro JST 1.25 to any raspberry pi or RPI 3b+?

I’m Making a raspberry pi project, and I want to connect a Micro JST 1.25 to a raspberry pi. I already got the cable, but I need to connect it to a raspberry pi to operate it. I searched in Amazon and Google and found nothing but extender cables for it. Is it possible to […]

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Raspberry Pi User Help

Trouble re-instaling nginx, files missing

Apologies, but I’m a relative newbie to RPi & nginx. I was having an issue with nginx on my Raspberry Pi 3B, and for some reason I thought it would be a good idea to remove and re-install it. Before I removed it the files were located where I expected them to be, ie /etc/nginx. […]

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Raspberry Pi User Help

xdg-open chooses the wrong app

In a nodeJs app I have: //—————————- var execSync = require (‘child_process’). execSync; function puts (error, stdout, stderr) {console.log (stdout)} function execute (comm) {execSync (comm, puts); } execute ("xdg-open file:///home/pi/index.html"); //———————————- This works fine when I perform: node myApp.js causes the desired page to open in Chrome. But: sudo node myApp.js opens the page in […]

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Raspberry Pi User Help

CM4 eMMC – safe shutdown / power supply schemes

I’m working on a design that uses a CM4 with eMMC and may (optionally) use an external SD card or USB stick for "user" file storage. The unit could (potentially) be hard powered-down by the user or by mains interruption without notice. However, it won’t be doing much and shouldn’t be reading or writing to […]

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Raspberry Pi User Help

How to play on RPi4 two Full HD 1080p videos with audio outputting to two HDMIs separately?

Let’s consider two mp4 containers media (h264/1080p video + aac audio) mountains.mp4 and forest.mp4. When omxplayer started for first video: $ omxplayer –no-keys –loop –display 2 ./mountains.mp4 Video codec omx-h264 width 1920 height 1080 profile 100 fps 30.000000 Audio codec aac channels 2 samplerate 48000 bitspersample 16 Subtitle count: 0, state: off, index: 1, delay: […]