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Questions tagged [ubuntu]

Ubuntu is a Linux operating system derived from the Debian distribution.

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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 ...
Pablo's user avatar
  • 141
0 votes
0 answers
25 views

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 ...
hmehra's user avatar
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0 answers
112 views

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 ...
Flotolk's user avatar
  • 101
0 votes
1 answer
173 views

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/...
user135142's user avatar
0 votes
1 answer
9k views

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 ...
Ciprian Tomoiagă's user avatar
-1 votes
4 answers
2k views

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. ...
Lion's user avatar
  • 227
1 vote
1 answer
802 views

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 ...
JollyRoger's user avatar
-1 votes
1 answer
4k views

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 ...
random_ubuntu_user's user avatar
0 votes
0 answers
248 views

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 "...
random_ubuntu_user's user avatar
0 votes
2 answers
3k views

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 ...
betelgeuse's user avatar
7 votes
1 answer
2k views

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 ...
Rafal's user avatar
  • 171
0 votes
1 answer
1k views

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 ...
swineone's user avatar
  • 101
0 votes
1 answer
505 views

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-...
Rafal's user avatar
  • 171
0 votes
2 answers
49 views

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 ...
Michael Bonnet's user avatar
1 vote
2 answers
557 views

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 ...
Cyclical Obsessive's user avatar
1 vote
1 answer
1k views

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 ...
ZipperZapper's user avatar
0 votes
1 answer
284 views

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'] = ...
Franva's user avatar
  • 141
1 vote
1 answer
676 views

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 ...
siddharth's user avatar
-1 votes
1 answer
1k views

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 ...
tread's user avatar
  • 107
0 votes
1 answer
769 views

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, ...
Julius Hamilton's user avatar
1 vote
1 answer
449 views

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 ...
Panpaper's user avatar
  • 111
1 vote
1 answer
798 views

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 ...
Lis Ridgeman's user avatar
0 votes
1 answer
1k views

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-...
Julius Hamilton's user avatar
1 vote
0 answers
1k views

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 ...
lharry's user avatar
  • 11
3 votes
1 answer
10k views

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-...
stinkfoot's user avatar
0 votes
1 answer
306 views

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 ...
Stephen's user avatar
  • 11
0 votes
0 answers
64 views

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 ...
Max Dax's user avatar
-2 votes
2 answers
619 views

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'...
Rockstarsong's user avatar
0 votes
1 answer
778 views

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 ...
Achak Claw's user avatar
1 vote
0 answers
133 views

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--+ ...
zlg's user avatar
  • 51
0 votes
1 answer
764 views

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 ...
Jemolah's user avatar
  • 103
0 votes
1 answer
2k views

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 ...
sailnfool's user avatar
0 votes
3 answers
8k views

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 \ --...
a.t.'s user avatar
  • 163
0 votes
0 answers
261 views

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 ...
user2084865's user avatar
0 votes
1 answer
162 views

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 ...
user835745's user avatar
0 votes
1 answer
814 views

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 ...
pitosalas's user avatar
  • 125
2 votes
2 answers
941 views

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 ...
Achak Claw's user avatar
0 votes
2 answers
3k views

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 ...
thebtm's user avatar
  • 103
0 votes
1 answer
666 views

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-...
a.t.'s user avatar
  • 163
2 votes
3 answers
3k views

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 ...
Droid's user avatar
  • 143
2 votes
1 answer
381 views

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 ...
Bob Morton's user avatar
2 votes
1 answer
158 views

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 ...
Παναγιώτης Θ's user avatar
0 votes
0 answers
176 views

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 ...
T00rk's user avatar
  • 101
2 votes
2 answers
5k views

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....
beeeZeee's user avatar
0 votes
0 answers
694 views

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 ...
Pietro's user avatar
  • 1
-1 votes
1 answer
776 views

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....
nagesh shamnur's user avatar
1 vote
0 answers
1k views

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 ...
user133622's user avatar
1 vote
2 answers
707 views

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 ...
incomingstorm's user avatar
1 vote
0 answers
216 views

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 ...
Klemen's user avatar
  • 11
2 votes
0 answers
287 views

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++ ...
Bart van Ingen's user avatar

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