Questions tagged [ubuntu]

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

Filter by
Sorted by
Tagged with
0
votes
0answers
5 views

Raspberry Pi 4 4gb loses ethernet connection after being connected for some time

After a while of being connected to the ethernet, the raspberry pi will drop out and refuse to reconnect until after a reboot. Originally, I had believed that the raspberry pi was freezing, but I can ...
0
votes
0answers
24 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-...
0
votes
1answer
155 views

How to build initramfs for custom kernel from cross-compile machine

I'm trying to start my Raspberry Pi with a custom 5.10.y cross-compiled Kernel for https://cdimage.ubuntu.com/releases/20.04.2/release/ubuntu-20.04.2-preinstalled-server-arm64+raspi.img.xz with ...
0
votes
1answer
433 views

firmware bug bootloader left irq enabled bank 1 irq 9 and boot fails

I updated the packages on my Raspberry Pi 2 (running Ubuntu Mate 20.04) by using apt update and apt dist-upgrade. Everything went smoothly. Then I restarted, and got the following error during the ...
0
votes
1answer
572 views

Raspberry Pi 4B won't connect to 802.11ac WiFi

802.11ac was supposed to be compatible with Pi 4, right? I recently tried using 802.11ac only to maximize the WiFi performance, but as soon as I did that, the Pi disconnected I have & to enable ...
0
votes
1answer
31 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 ...
0
votes
0answers
24 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 ...
1
vote
1answer
4k views

3B+ fails to boot Ubuntu mate

I have the problem that the bootloader and kernel are too old in the mate image to run the on the new hardware. Raspian works fine with a noobs install. I tried the advice in the thread here https:...
-2
votes
2answers
38 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'...
0
votes
1answer
638 views

Ubuntu 19.10 64-bit on Raspberry PI 4: How to unlock 100 MGz as min cpu frequency?

Is there way to unlock min cpu frequency for Ubuntu 19.10 64-bit for raspberry pi? First, this linux does't have /boot/config.txt similar to raspbian or ubuntu 18.04 from berryboot Next, the ...
1
vote
1answer
1k views

RPI4B Ubnutu Server 20.10 wifi setup

I recently installed Ubuntu Server 20.10 on my RPI 4B and cannot get wifi to work. I followed the instructions here, here, and here. When I attempt to setup wifi via wpa_supplicant (the last link) ...
2
votes
1answer
844 views

Failed to start Load Kernel Modules for installing Ubuntu 18.04 on Raspberry 4

I tried to install Ubuntu 18.04 on Pi4. I followed the link from ubuntu for pi. After inserting the SD card with Ubuntu image, the error appeared after few lines with [FAILED] Failed to start Load ...
0
votes
1answer
53 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 ...
1
vote
1answer
42 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 ...
0
votes
1answer
2k views

How to install Ubuntu MATE without HDMI output?

I'm new to Raspberry Pi 2, I just bought a Raspberry Pi 2 1.1, I don't have a TV or monitor with HDMI input, so I have to install Ubuntu MATE without it, is there any way to use composite video? i ...
0
votes
0answers
7 views

iQaudio DAC-pro hat not recognized by ubuntu 20.04 on rPi4b

I've added a iQaudio DAC-pro to my raspberry pi 4b running ubuntu 20.04. I cannot find the dac in amixer $ sudo amixer Simple mixer control 'Headphone',0 Capabilities: pvolume pvolume-joined ...
0
votes
2answers
222 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 ...
0
votes
1answer
181 views

LXPanel unresponsive and off desktop

I am running Ubuntu 16.04 in a VM. I have successfully SSH'd into my Pi (Running Raspbian) using: ssh -X <ip of Pi> -l <username> When I run startlxde, an LXPanel shows up but it's off the ...
1
vote
0answers
18 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--+ ...
1
vote
4answers
2k views

RealVNC Server on UBUNTU 20.10 (ARM64) on Raspberry Pi 4

RealVNC only provides a 32bit app for Raspberry Pi OS (32bit) and not a 64bit native application, at least for now. I'm using Ubuntu 20.10 on my Raspberry and need to use RealVNC to remotely access ...
0
votes
0answers
35 views

Will this work for the Pi 400?

I'm planning to buy one of these USB-A to 3.5mm Audio jack for the Pi 400 since it has no audio jack... https://www.amazon.com/gp/product/B089NJPSXN I don't have the option to use HDMI audio output (...
8
votes
5answers
6k views

How to update multiple Pis at once?

Is there a way to update multiple Raspberry Pi machines at the same time? Would it be possible to update them from a single copy of the image on the central Ubuntu PC server so that the download takes ...
0
votes
2answers
49 views

ubuntu 18.04 server official release

Does anyone know where i can download the OFFICIAL release of Ubuntu 18.04 server for the pi4? All I can find on canonical's website is Ubuntu 20, which is incompatible with the software i need to run....
1
vote
1answer
121 views

Raspberry pi (running ubuntu 14.04) citrix problem

I have a problem running Citrix receiver on my raspberry pi 2B running Ubuntu 14.04 lxde custom spin off (it litteraly only has the core essentials of LXDE and firefox that's it oh and lightdm) It ...
0
votes
1answer
14 views

What happens with .local when there are two paths to the host?

My hostname is mr2 When I am connected via ethernet I can access it with mr2.local and when over wifi, also. But what happens when I am connected both ways, or if I disconnect wifi and reconnect ...
-1
votes
1answer
164 views

Cannot install PureAdmin on my Raspberry Pi

I try to build my own FTP server. I already installed pure-ftpd and created a user for the FTP connection. It works well, but now I would like to have virtual users, for which I need install PureAdmin ...
0
votes
2answers
92 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 ...
0
votes
1answer
212 views

Unable to detect NVMe M.2 ssd in raspberry pi 4 8gb

Is it possible to use an NVMe M.2 as external storage on a Pi4b 8GB? I have the following PCIe device: samsung NVMe PCIe 3.0 SSD 970 Evo plus, 500 gb + external hard drive enclosure with a C to A ...
1
vote
1answer
40 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 ...
0
votes
1answer
125 views

Edit root files from CD Card, Ubuntu

So, I heard that it's possible to edit root files on Linux but if I trying to save the file I get this message: They do not have the necessary authorisations to store the file. Please, check ...
3
votes
1answer
1k views

Snappy Ubuntu Core In Debain Qemu

Is there a way to emulate the Snappy Ubuntu Core image in Qemu under Debian now that it has an arm cortex a-7 chip on it? I tried following this wiki and installed virt-manager to set things up but I ...
2
votes
2answers
916 views

Disable filesystem expand during boot for Ubuntu Server 16.04

I am attempting to get a sub-4gb image to retain its image size on my rpi regardless of the sdcard size. I am looking at using the ubuntu server image built by Ryan Finnie ubuntu-16.04-preinstalled-...
0
votes
0answers
21 views

ssh “connection timed out” after rebooting

I got an Raspberry Pi 4 4GB running Ubuntu 21.04 Desktop. I want to connect via ssh to my Raspberry Pi Zero (without Wireless) running Raspbian lite. For the ssh setup i followed the instructions ...
0
votes
1answer
190 views

monitor no hdmi signal

I've installed ubuntu classic server 16.04 (Rasberry Pi 3 edition) found here https://ubuntu-pi-flavour-maker.org/download/ on Rasbperry Pi 3 b and everything is working as expected when I ssh into it....
0
votes
1answer
44 views

libacsccid1_1.1.0-1~trusty1_armhf.deb or similar version for Ubuntu trusty 14.04

I have an NFC reader ACR1251U-A1, and I'm trying to install the driver for my NFC reader. In the folder that I have downloaded from the provider's website, there are only libacsccid1_1.1.0-1~trusty ...
1
vote
3answers
2k 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 ...
5
votes
4answers
2k views

Weird display on VGA monitor, Ubuntu Server 19.10 on Raspberry Pi 4

UPDATE: As I suspected lately, Ubuntu Server actually boots up. Nothing worked until I tried using an actual HDMI monitor instead of an HDTV or VGA monitor. I suppose the TV will work once I install a ...
1
vote
1answer
180 views

kevent 2 may have been dropped

I'm running Ubuntu Server 16 on my pi3 and I'm trying to pull docker images from he repository remotely( logged in via ssh) and keep running into the error smsc95xx 1-1.1:1.0: eth0: kevent 2 may ...
0
votes
2answers
75 views

How do I turn off a raspberry pi without use of desktop?

I basically softlocked my raspberry pi 4 8gb using ubuntu when I attempted to put a shell file on my taskbar. I used nano to put scrot in an .sh file for easy screenshots, and when I tried to put it ...
3
votes
1answer
16k views

Setting WiFi up via the command line Ubuntu server 18.04.4 LTS - Raspberry Pi 4 Wireless connectivity

I have the Raspberry Pi 4 Model B and my choice of RAM was the 4GB. i don't have internet via the gigabit ethernet at the moment, all i have is my smartphone to share internet via a hotspot (wifi). i ...
1
vote
1answer
273 views

What is the oldest Ubuntu version available for the rPi4?

The Big Blue Button (BBB) application requires 4GB of RAM & is supported on 16.04: BBB will be supported on 18.04 in the near future. I would like to test BBB on the rpi4. Is there any instances ...
1
vote
1answer
256 views

Process readKey with high CPU load

I recently installed an "Ubuntu 16.04 LTS" on a Raspberry 3 fully upgraded to evaluate some Z-Wave devices functionality. Now I see a high readKey load (15-20%) all around the clock which is not ok ...
0
votes
1answer
121 views

PI 3B wifi interface fail

My PI-3B is flashed with Ubuntu 16.04 with wireless-tools and wpa_supplicant also installed. My issue is I can't get wlan0 to be recognised by the system either dynamically (DHCP) or statically. I ...
6
votes
4answers
15k views

White noise through audio jack

I have been using Sonic Pi recently and have been annoyed by a persistent stream of white noise. This has happened on both Raspbian and Ubuntu MATE 16.04 for Raspberry Pi, using SENNHEISER MX356s. Is ...
0
votes
0answers
77 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 \ --...
1
vote
0answers
40 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 ...
1
vote
0answers
18 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 ...
1
vote
0answers
17 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 ...
1
vote
1answer
93 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 ...
0
votes
1answer
44 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 ...

1
2 3 4 5
11