Questions tagged [ubuntu]

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

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how to capture a single frame using gstreamer

I am using the following command to capture multiple frames: gst-launch-1.0 tcpclientsrc host=192.168.1.2 port=5000 num-buffers=100000000 ! gdpdepay ! jpegparse ! jpegdec ! multifilesink location="...
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1answer
93 views

Raspberry Pi board is not detecting LAN connection

I'm working on Raspberry Pi board with Ubuntu OS but it's not detecting the LAN connection and I am not getting an IP address when I type ifconfig. I've added below code to /etc/netplan/01-config....
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1answer
335 views

How to install UBUNTU MATE without another computer

I am using a raspberry pi 3 b (not b+) and I am looking to install Ubuntu MATE I am currently running Raspbian but I have heard of Ubuntu MATE and wish to use it. However I have not another computer ...
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1answer
70 views

Can't connect via SSH to RPi2

I have searched for old topics but I can't find anything that could solve my issue. I have installed Ubuntu MATE on SD card and created the ssh file on the boot\ directory. I connect the RPi2 ...
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1answer
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Ubuntu MATE ufw error WARN: uid is 0 but '/lib' is owned by 1000 | WARN: /lib is group writable! [08/08/18 13:05:23] Status: Enabled

When I run sudo ufw enable in the terminal, it says that it is enabled and warns me about /lib being owned by 1000. Here is the output... WARN: uid is 0 but '/lib' is owned by 1000 WARN: /lib is ...
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1answer
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dd failed with 'illegal numeric value'

I am following the instructions here https://developer.ubuntu.com/core/get-started/installation-medias to prepare an OS image on the sd card. I ran the following command: xzcat ~/raspberry-pi/ubuntu-...
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1answer
539 views

SSH connection refused on Raspberry Pi 3?

I installed Ubuntu MATE 16.04 on a 16 GB microSD card and am trying to setup headlessly. I'm trying to SSH into the Pi. I am able to ping the Pi. I added an empty file "ssh" to the boot partition but ...
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1answer
4k views

How do I install ubuntu server 16.04 on pi3 model B

I have tried the instructions at Ubuntu Wiki, especially the ones under Booting the official Pi 2 image on the Pi 3 I downloaded both pre-installed server versions armhf+raspi2 and armhf+raspi3. I ...
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1answer
2k views

Raspberry Pi 3 with Ubuntu 16.04.3 LTS sudo apt-get update exits with dpkg error code (1)

I'm running a Raspberry Pi 3 with Ubuntu 16.04.3 LTS xenial. sudo apt-get update exits with: dpkg: error processing archive /var/cache/apt/archives/linux-firmware_1.157.11_all.deb (--unpack): trying ...
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1answer
266 views

How to install custom mainline kernel in Ubuntu snappy core?

I have cloned latest Torvalds kernel, compiled it for the Raspberry Pi 2 model B and generated deb packages as well. When I install them using dpkg -i *.deb the files under /boot/firmware are not ...
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1answer
573 views

Ubuntu 16.04 MPEG-2 license key, does it work?

I am using Raspbian on Raspberry Pi 2 and have hardware acceleration enabled by having MPEG-2 license key configured. Now considering moving to Ubuntu 16.04. Does anyone know if the license key can ...
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1answer
290 views

Ubuntu 16.04 rPi3 image resize

Attempt to perform flash resize procedure failed (could not reboot) and forced the reinstall of the Ubuntu image. After reinstalling the image: ubuntu@ubuntu:~$ sudo fdisk /dev/mmcblk0 Welcome to ...
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1answer
667 views

How to update QupZilla on Ubuntu Mate?

The lightweight browser QupZilla is fairly outdated on Ubuntu Mate. I wonder how I can update/compile QupZilla from source? Upstream, there is no ARM package available for download.
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1answer
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How to use raspistill on a Raspberry Pi 3 from Ubuntu

How do you enable the camera module in Ubuntu 16.04 running on a Raspberry Pi 3? This is similar to my earlier question, except where that was for the Raspberry Pi 2, this is for the 3. I ran ...
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2answers
4k views

Can't access SD card contents (Ubuntu) after inserting SD into Android phone

So my Rasberry Pi had some sort of failure, and I'm trying to recover some data from the SD card. Since I didn't have an SD reader on hand I chucked the SD into my android phone and tried to use the ...
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1answer
110 views

Want only ethernet working, remove all usb and hdmi port

We developed a system, we are delivering it with raspberry PI to client. Our system is like admin panel, so Raspberry pi will work as Local server. For Our code security, we want to remove all USB ...
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1answer
223 views

clutter deprecated

I am trying to build Linux Mint's cinnamon DE on Ubuntu 14.04 (rpi2b) but I get this error on the make command, can someone help? CC libst_1_0_la-st-bin.lo st/st-bin.c: In function '...
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2answers
520 views

Is it possible to access Raspberry pi 2 ubuntu 14.04 without usb-keyboard?

I installed Ubuntu 14.04.02 LTS on my Raspberry pi 2 model B. My Raspberry pi 2 is connected to my home router with LAN cable and monitor with HDMI cable. When Raspberry pi is on, the monitor ...
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1answer
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Ubuntu MATE image wont run

Ubuntu MATE pi image wont run. I want it to run on a pi 2, but the green light just stays lit. I also tried the imaged sd card on a pi B+ (just to test) and the green blinks 7 times. I imaged the ...
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1answer
986 views

AirCrack-NG suite: besside-ng not installed on Ubuntu 14.04 for raspBerry Pi 2

I have installed Ubuntu Linux 14.04.2LTS from official WiKi and added AirCrack-NG (for wireless auditing) suite by following official docs too (the official aircrack-ng package was obsolete). But now ...
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2answers
2k views

Use internet on raspberry pi via laptop

I am new at raspberry and i have to do my project. I am using my pi terminal through my laptop using cat5 cable. everything is fine. I can ping the laptop on ssh. Now I would use the internet on ...
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93 views

Getting pi-fancontrol to work when running Ubuntu

I've got a fan connected to GPIO 14, but am having trouble getting pi-fancontrol to work on my Ubuntu 21.04 install on an RPi4. The official docs say to run snap connect pi-fancontrol:gpio pi:bcm-...
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31 views

Why isn't Ubuntu server displaying to HDMI on Raspberry Pi 4?

I flashed Ubuntu 21 Server to an SD Card with the Mac Raspberry Pi flashing application and it appeared to be successful. I inserted the SD card into the Pi and connected it to a power source. I am ...
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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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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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0answers
35 views

Error processing package code while installing Visual Studio Code in Ubuntu 21.04 on Raspberry Pi 4 model B

Help. Any suggestions? I'm trying to install Visual Studio Code but I keep on getting some errors in the process. Using the terminal in Ubuntu 21.04 on a Raspberry Pi 4 model B, 8GB RAM. It looks like ...
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0answers
24 views

Using the Google AIY kit with Ubuntu 18 (ARM)

I installed Ubuntu 18 (ARM) on a Raspberry Pi 3B so that I could use ROS melodic to control an iRobot Create2. Everything has been going splendidly until I noticed the Google AIY Voice kit I had ...
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2answers
630 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 ...
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0answers
242 views

Raspberry Pi 4B - UBUNTU 21.04 - DSI + HDMI

SPECS: Raspberry Pi 4 Model B, Ubuntu hirsute hippo (21.04) 64 bit, 4.3 inch Capacitive Touch Display for Raspberry Pi, DSI Interface, 800×480 Initially I used HDMI to do setup with raspberry pi 4 ...
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1answer
37 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 ...
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1answer
24 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 ...
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0answers
35 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 ...
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0answers
80 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 ...
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0answers
50 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++ ...
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0answers
19 views

Camera in raspberry pi shows no input on screen

I am new to using raspberry pi I have rsp 4 model b, I need it for a college project I am doing, I bought a camera module for it. and it doesn't show output on screen using "cheese" I am ...
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1answer
129 views

Ubuntu 20.10 aarch64 (Raspberry Pi CM4) how do I access 1-Wire devices?

Running Ubuntu 20.10 aarch64 (Raspberry Pi) on a Compute module 4 Am scratching my head on how do I access 1-Wire devices? I've tested by DS18B20 sensor using Raspberry Pi OS and it works by enabling ...
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0answers
49 views

Sensehat apt package on Manjaro ARM? Insights?

First post on here. I have a Raspberry pi 4b+ 8GB that I am super happy with. I've been messing around with different operating systems on this device and I find that the Manjaro ARM distro is really ...
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0answers
30 views

Bluetooth retransmission

I'm doing a project of automation, and I would like to implement a bluetooth "retransmitter" for sound. I'm currently using Raspberry PI 4 (4gb ram) with ubuntu desktop client 20.10 This is ...
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1answer
2k views

Default audio output to HDMI

I have an RPi4 installed with ubuntu20.10. I connect it to a display(TV) using an HDMI cable. The problem is the output is by default set to a 3.5mm jack. I override that by running the raspi-config ...
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0answers
947 views

Can't run raspistill on Ubuntu 20.04 (rpi-4)

My system Distributor ID: Ubuntu Description: Ubuntu 20.04.1 LTS Release: 20.04 Codename: focal Raspberry: Raspberry 4B Raspberry Camera: V2.1 $ uname -a: Linux ubuntu 5.4.0-1022-raspi #25-...
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0answers
219 views

Tensorflow on Raspberry Pi with Ubuntu 20.04

I've installed Ubuntu 20.04 on a Raspberry Pi. Both my Ubuntu and Python3 installations are 64-bit. I'm now trying to install Tensorflow so that I can run (not train) a model. I've tried various blog-...
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0answers
1k views

How to make camera work with pi 4b 64 bit ubuntu 20.10 [closed]

After add start_x=1 in the config.txt #start_x Enable the camera module. start_x=1 #disable_camera_led Turn off the red camera LED when recording video or #taking a still picture disable_camera_led=1 #...
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2answers
866 views

Ubuntu 20.04 KVM kernel for Raspberry Pi 4

I would like to deploy a VM from KVM template on Raspberry Pi 4 running Ubuntu server 20.04. The VM will be configured with an emulated x86_64 CPU. Is there a precompiled KVM kernel for it? If not, ...
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3answers
2k views

Unable to boot Raspbian or Ubuntu Server 20.04 from a USB SSD using a Raspberry Pi 4 4GB

I know of two methods to do this which I've tried: Use RPi Imager to install Ubuntu on both the SD card and SSD as per this post and this post Install BerryBoot and use that to install and boot ...
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0answers
91 views

Raspberry Pi 4 fails to reboot

I have a raspberry pi 4 running Ubuntu server 18.04. I usually SSH into it and reboot the system. However, I noticed that some times the pi does not successfully boot up again after shutdown so I have ...
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0answers
55 views

Random network sleeps when using ubuntu 20.04 server

I am trying to setup a cluster of Pi4Bs, and have decided to use Ubuntu 20.04 server 64-bit. I have setup static IP via Netplan and have disabled cloud-init. (Wired ethernet interface) But after this ...
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3answers
3k views

Raspberry Pi Imager not writing to SD Card. Fails without errors. (Ubuntu)

I'm using KDE Neon 5.19 which isn't too different from Ubuntu 18.04. Regardless, I have an old Raspberry Pi B (the one with just two USB ports and a full sized SD slot). I grabbed an SD card from a ...
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0answers
1k views

ZFS and USB boot on Pi4b 8Gb

I'm trying to make myself a NAS appliance with a Pi4b 8Gb. I would like to use ZFS for my storage but I'm having some trouble with installing it on pi OS. I'm trying to use USB boot (No SD) so I can ...
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1answer
586 views

How to use/install raspberry pi camera on ubuntu os

I am wanting to use ubuntu v20.04 64 on my Raspberry Pi 4. I also what to be able to use the on-board camera. I have followed these steps to install and boot up my Rpi4 with Ubuntu: https://ubuntu....
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1answer
1k views

How to enable more uart port on raspberry pi 4 ubuntu server 20.04

i recently got the raspberry pi 4 for a university project. I installed ubuntu server 20.04 on it. Now I tried to enable a second uart port, because for the project I need to connect multiple sensors ...

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