Questions tagged [ubuntu]
Ubuntu is a Linux operating system derived from the Debian distribution.
586 questions
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Connection too slow using RPi 4 and Wireguard
I setup a local home VPN on a Raspberry Pi 4 Model B 2019 Quad Core (4GB of RAM) running Ubuntu 20.04 connected to my home router using ethernet. I used PiVPN with Pihole for the setup. I setup the ...
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Reboot on using Microsoft remote desktop
I have a raspberry Pi 4 running Ubuntu. Most of the times I connect to it using Microsoft remote desktop, it hangs and then reboots after some time. Has anybody seen this? How can I find out why the ...
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Raspberry Pi 4 crashing(?) after OS is installed
I am trying to boot up my Raspberry Pi 4, but the green light (next to power) keeps blinking and then shutting down!
I was able to install Ubuntu Desktop on the 32GB microSD, but as soon as I tried to ...
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1
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173
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do i get more io from a cluster?
suppose i have a cluster of 2 pi 4s (8 gig model and 32gb sd cards). i will get 2 seperate computers together having 4 cores and 8gb ram (based on jeff geerling's blog https://www.jeffgeerling.com/...
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1
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netplan apply fails with "Cannot find unique matching interface for eth0"
Using Ubuntu 21.10, if I try to set a static IP for my raspberry in /etc/netplan/50-cloud-init.yaml, I have an error when I run netplan apply, that reads:
Cannot find unique matching interface for ...
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4
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2k
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Ubuntu Server 20.04.3 LTS won't open a login shell on Raspberry Pi 4 (screen turns off)
I tried to install Ubuntu Server using the official Imager (so without downloading the image myself)
Ubuntu starts to boot, I see some command line output. Too fast to read it all, I see e.g. ...
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1
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802
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How to set up picamera on Raspberry Pi 3 B+ with an Ubuntu 20.04 OS
I have a TurtleBot3 Burger robot which has a Raspberry Pi 3B+ on it. And the RPI has to run Ubuntu 20.04 OS, otherwise I can't use ROS and eventually the robot functionalities.
The RPI has a picamera ...
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How to configure Wine and box64 emulator on Pi 4B?
I have a Raspberry Pi 4B 8 GB running Ubuntu 21.10 desktop that I use. I want to expand the uses of my Pi and I want to run some windows programs.
I installed pi-apps, a program helps you install ...
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248
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How to install internet explorer and/or x86 emulator on raspbery pi 4b
I have a rasbery pi 4b 8gb and I want to install internet explorer on it. I am running ubuntu 21.10. I tried installing internet explorer 8 with PlayOnLinux and the installing window says "...
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2
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How do I install an older version of ubuntu on raspberry pi 4?
I need to install an older version of Ubuntu (20.04) desktop version for compatibility reasons. The Raspberry Pi imager v1.6.2 on windows only shows Ubuntu desktop 21.10 as available.
I tried to ...
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Ubuntu 21.10 desktop environments freezing on Pi 400
I have created SD card with Ubuntu Desktop 21.10 using Pi Imager on Raspbian. It boots fine but when I interact with desktop environment, e.g. re-arrange the icons on the sidebar, the desktop ...
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Ubuntu: upgraded kernel is not selected in the next boot
My Raspberry Pi 4 was originally loaded with Ubuntu 21.04, but after yesterday's release of 21.10, I upgraded using the do-release-upgrade command.
Among the other upgraded packages, there was a new ...
0
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1
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505
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Ubuntu Desktop fails to boot on Raspberry Pi 400 with 32GB SD card
I have used Pi Imager to write Ubuntu Desktop to my SD card. When I try to boot from it in my Pi 400, I get the following error:
[50B]: Failed to remount '/' read-only: Device or resource busy
systemd-...
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2
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49
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Can I use Ubuntu 8.10 on a Raspberry Pi?
I am working on a project that requires:
An open WiFi network
On that network, a device that has a known exploit.
My plan is to use a Raspberry Pi to create that open WiFi network, then use another ...
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2
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557
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RPi Connects To iPhone hotspot, but Termius cannot ssh into RPi (Ubuntu 20.04 64-bit Server)
I would like to be able to ssh into my RPi3B+ based robot (running Ubuntu 20.04 64-bit Server) when away from my home WiFi.
I have configured the bot to recognize either my home network or my iPhone ...
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1
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1k
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PoE+ HAT fan not working correctly on Ubuntu 21.04
So I bought a new Raspberry Pi 4 (4GB) and the official PoE+ HAT.
It is running the 64-bit version of Ubuntu 21.04 Server, completely updated.
Controlling the PoE+ HAT-fan should/could be done through ...
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1
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284
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How to use gpiozero on RPi4 with Ubuntu 21.04, errored out NotImplemented
I'm trying to drive the motors from my RPi4.
On the RPi4 4GB RAM, I installed Ubuntu 21.04.
Here is the code, it used to be working on RPi Buster OS
# import os
# os.environ['GPIOZERO_PIN_FACTORY'] = ...
1
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1
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676
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unable to gps data serially in raspi 4
I am trying to get ublox zed f9p module work with raspi 4. I am using this module
I am running on ubuntu 20.04 desktop version on raspi 4 and i have connected the module serially(/dev/ttyS0) to my ...
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1
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1k
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How to copy files onto a raspberry pi os using only the microSD it is on - no networking, bluetooth or usb?
I would like to copy a file to a raspberry pi using a Macbook.
I have installed ubuntu on the 64GB microsd and booted it up no problem.
I have turned off bluetooth and wifi/networking on the raspberry ...
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1
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769
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Why can't my Raspberry Pi find any WiFi networks?
There is a similar question to my question, but the answers were more specific to that situation.
I am running Ubuntu 21.04 on a Raspberry Pi 4b. I do not see any WiFi networks in the GUI WiFi pane, ...
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1
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449
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ssh session always freezes when running npm or unzipping large numbers of files
I have an RPi4 (4GB) that I use as a local development server running ubuntu 20.04. I connect to it using SSH and use git to download source code from my projects and run npm install to install the ...
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798
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Need to see the console boot messages, not the splash screen
I am running Ubuntu 21.04 on RPi 4.
On boot up, I would like to see the console boot messages in real time (and not the splash screen).
On Intel PCs, that's easily done by editing the grub2 config ...
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1
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1k
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How can I display Ubuntu Server 21.04 on a Waveshare 3.5" LCD display?
I installed Ubuntu Server on my Raspberry Pi 4. I have a 3.5" Waveshare display for it.
Waveshare provides instructions to clone a GitHub repository and then run a script called "./LCD35-...
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0
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1k
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Temporary failure resolving 'ports.ubuntu.com' on Ubuntu 20.04
I have spent a lot of time looking for a solution to my problem. Everything I've tried hasn't worked so far.
From what I understand, this is an internet connection problem or a DNS issue. I followed ...
3
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1
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10k
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How to Resolve Port 53 Conflict Between, systemd.resolved and pihole-dnscrypt docker
Problem: port 53 conflict between systemd.resolved and pihole in the pihole-dnscrypt docker
Setup: pi 4, ubuntu 20.04.2 (clean install)
Guides for install:
(1) https://github.com/losuler/pihole-...
0
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1
answer
306
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Is there a substitute for ejecting a SD card on ubuntu
I am having issues ejecting an SD card from an ubuntu Rpi in my bash script. When I run the command to eject, the following error is displayed
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
...
0
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0
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64
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How Install Ubuntu 21.04 (Desktop) on Raspberry Pi 4 using Serial Console? [duplicate]
Hello how can I install ubuntu desktop 21.04 on raspberry pi 4 using serial console? I want to use the Raspberry Pi 4 UART pins to communicate using TTL to USB convert device to my windows 10 OS using ...
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2
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Can we install AMD64 programs via Ubuntu on Raspberry Pi 4?
I was planning to download some programs from snapcraft.io and to invest in a Raspberry Pi 4 8GB, and install Ubuntu on there, so I can run it. I was wondering if this was possible by any chance? Wasn'...
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778
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File Recovery from thumb drive - Bad Superblock
So I have a 64GB SanDisk Cruzer Glide, and recently something happened to it. Whenever I would try to fsck it said the magic number for the superblock was corrupted, I didn't know what that meant, so ...
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Access remote `/dev/input/` on local machine
My robot needs to read input commands from a USB joystick which is physically connected to a remote desktop (Ubuntu). On desktop, the joystick is available for local user with permissions:
crw-rw-r--+ ...
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1
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764
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How to get Podman 3.1.2 running on Ubuntu 20.04?
Fresh installation with Raspberry Pi Imager of Ubuntu Server 20.04.2 LTS (RPi 3/4/400) on a Raspberry Pi following standard tutorials:
cat /etc/os-release
export VERSION_ID=20.04
sudo sh -c "echo ...
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1
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2k
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How to get raspi-config on Ubuntu 21.04? - Failed to update superblock on microSD on Ubuntu. Needed to setup USB boot
I wanted to do a USB boot from a PI 4. (My microSD card would not boot. Superblock not writable ... see below). I am currently running Ubuntu 21.04 on a Raspberry PI 4 with 8GB of RAM and using zram ...
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3
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8k
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How to run GitLab through Docker on Raspberry Pi 4b on Ubuntu Server?
While trying to start GitLab in a Docker container I am experiencing some issues. The command does works on other pc's. The command consists of:
sudo docker run --detach \
--hostname 127.0.0.1 \
--...
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0
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261
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RPi wlan0 eth0 bridge, how to debug DHCP issues?
I followed this tutorial to set my RPi 4B up. In my basement, I have my RPi connected via cable and want to bridge a new WiFi AP (as in the last part of that post above).
The first time, everything ...
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1
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162
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Firefox 89 on Pi - visual codec artifacts
Firefox 89 on my Pi 4 is displaying bad codec symptoms, videos can be watched but the picture is corrupted by brightly coloured patches around areas of detail.
On the Pi I am running Ubuntu 21.04 and ...
0
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1
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814
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I broke my network on my raspberry pi
As I was experimenting with various things I deleted the file /etc/netplan/50-cloud-init.yaml. Now I can't get any network (ethernet or wifi) to connect. So I can't ssh to fix things. I am on Ubuntu ...
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2
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941
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Audio alternatives for Raspberry Pi 400
So as you all know, the Raspberry Pi 400 does NOT have an audio jack, which is pretty annoying especially when I need to get audio output from it.
Can I connect to a Raspberry Pi 3B via Bluetooth from ...
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2
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3k
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GPU Memory for No gui Ubuntu
Context:
I am currently running a RPi 4 8GB with Ubuntu 20.04 LTS on an M.2 240GB SSD. This system has no gui. I use it for GitLab and CICD purposes. On a x86_64, I know we can get a way with 0M for ...
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666
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How to disable kernel upgrade on Ubuntu Server 21 64 Bit on Raspberry Pi 4b?
How can I disable kernel upgrades on a fresh installation of Ubuntu Server 21 64-bit OS for arm64 architectures on a Raspberry Pi 4b with 4gb?
Based on this source, I tried:
sudo apt-mark hold 5.11.0-...
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3
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3k
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Ubuntu booting from SSD (USB) with Raspi 4
I made the (wrong) decision of installing Ubuntu LTS on my Raspi 4 that I used as a server, thinking it would be easier to install and configure stuff as I'm used to Ubuntu. Turns out for some reason ...
2
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1
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381
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GPIOZERO how to install lastest version on Ubuntu 20.10 servver
I am running gpiozero on my Raspberry Pi4 Ubuntu 20.10.
I need to update gpiozero (1.2) to latest version (1.6.1) to use the RotaryEncoder class which is not present in the package I have installed
...
2
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1
answer
158
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Wireless keyboard & mouse receiver only recognized as a mouse receiver (Rpi 4 ubuntu 21.04)
I have a USB receiver that's for both a keyboard and a mouse. When I plug it in to a computer, it works perfectly.
But when I plug it in to my raspberry pi 4, the wireless keyboard doesn't work while ...
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0
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176
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Mount USB then NFS
I'm creating a kubernetes cluster with 1 desktop pc and 3 raspberry pi4.
The desktop PC is set as master node and NFS server.
Each RPi4 has two USB keys:
Ubuntu 21.04 Server on 32GB key
Storage on ...
2
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2
answers
5k
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Fan won't turn off on shutdown
I am trying to make sure my fan turns off when I power off my raspberry pi (without having to unplug it). My fan is connected to the 3.3V pin. I didn't connect it to the 5V pin because I deemed the 3....
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0
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694
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How to extract aarch64 vmlinuz gzip image?
I am trying to PXE boot Ubuntu 20.04 aarch64 on the pi 4b but I am stuck at the point where I need to extract the kernel image vmlinuz-5.4.0-1028-raspi. I tried to zcat and pipe it out but I ended up ...
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1
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776
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Raspberrypi4B: Unable to establish a BLE connection between RPi4B and Ubuntu Laptop
I am unable to establish an ble connection between my Raspberrypi4B and Laptop. Configuration is as below:
Laptop: Ubuntu-20.04.2 LTS, bluez version: 5.53
Raspberrypi4B: Ubuntu-21.04 bluez version: 5....
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0
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1k
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Raspberry pi 4 gives vertical color lines on bootup
I am using a Raspberry pi 4 model B 4GB with ubuntu 20.04 installed on a 32GB memory card and when I booted, I got a display with vertical color lines. I tried using multiples displays and all results ...
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2
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707
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User getting removed from group after reboot
I am running Ubuntu Server 20.04.02 LTS in my RPi 4b. I ran into the problem that I couldn't access the GPIO without sudo/root with my python scripts so I changed the /dev/gpiomem group ownership to ...
1
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0
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216
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Picamera on Ubuntu 18.04 64-bit
Is there any way to get picamera to work on Ubuntu 18.04 64-bit. I have tried:
Compiling a non-official version of userland for 64-bit and it compiled, but the camera does not work
I have tried using ...
2
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0
answers
287
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Rpi Camera in ubuntu server 20.04 raspistill working, but python picamera and c++ raspicam not
I have been able to get the rpi camera v2 working on ubuntu server 20.04 (64bit) by using raspistill. However I am having trouble getting it to work with the python package picamera and the c++ ...