Latest Ubuntu related questions

Score: 0
Piotrek avatar
What places/directories should I track in order to have history of all system configurations?
ph flag

I play with different settings quite often, in Ubuntu itself and in apps I'm using on it. Some changes turn out to be incorrect or even harmful and I often don't remember what I've exactly done and how to revert it. Moreover, apps I install sometimes create/modify things on my hard drive without me knowing about it.

I'm looking for a way to track all changes that happen on my system. I know there ...

Score: 0
pcamini avatar
blocked keyboards (both HW and virtual)
ws flag

Help needed! I'm using Ubuntu 20.04.2 LTS Focal Fossa installed on my HP Probook pc. This standard on-screen kb is semi-transparent but it take up large room on the screen. So I'd installed the onboard virtual keyboard that can be resized and placed on the screen. Doing the previous, I experienced the different available options in order to operate both the real pc's keyboard and the on-the-screen virtu ...

Score: 0
problems when upgrading from 18 LTS to 20 LTS. updates seems to be installed. what to do?
in flag

I'm trying to upgrade ubuntu 18 to 20 LTS. sorry for being such a noob. I'm following this guide: [https://askubuntu.com/questions/1231570/cant-upgrade-ubuntu-18-04-to-20-04-because-of-please-install-all-available-upd][1] but I get the error that i need to update some stuff first. the terminal output is below.

I get that " 3 packages can be upgraded". how can I upgrade them. If I run "sudo apt di ...

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Maurizio M. avatar
Network Bug in ethernet cable connection on Ubuntu desktop version with IBM Power architecture
ru flag

Good evening, I am writing to you from Italy and I use a translator because I do not speak English fluently. I have a machine based on IBM Power 9 on Raptor computing System motherboard, I installed your Ubuntu version 20.04.02 LTS and to use it in desktop mode I installed a graphical environment. During the main Ubuntu installation, everything went fine and he did as all distros do, saw the connected e ...

Score: 0
Michael avatar
PC crashes after PCI-Port Timeout
my flag

Sometimes my PC crashes suddenly. With no specified reason. Sometimes it happens while playing games or just watching a YouTube video. Now I found some logs which in my opinion shows what is wrong but, I don't know how to fix it.

19:40:42 kernel: pcieport 0000:00:03.1: AER:    [12] Timeout               
19:40:42 kernel: pcieport 0000:00:03.1: AER:    [12] Timeout               
19:40:42 kernel: pc ...
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How to display login on an External monitor
je flag

Just installed 20.04, Lenovo Flex, Ryzen 5 4500, Renoir graphics, Kernel 5.8.

With my laptop I have an external monitor and have made it "Single Monitor" in Settings|Displays, all good as it turns off the laptop screen.

When I Switch users, the laptop screens turns on but it is physically behind the external one and I can't see the Login options. I have to lift 32" the external monitor up, move to t ...

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Jeff Wilkerson avatar
Can't boot because of Full Disc
md flag

I am running Ubuntu 20.10 LTS on a dual boot with Windows 10.

The other day I had the wonderful idea to run a data recovery utility... Long story short is I filled up my hard drive and now Ubuntu won't start.

  • When booting into Ubuntu, I get some error akin to "Community MySQL won't start". Researching that alluded to issues about not enough disk space, and since I recently filled up my hard drive, I' ...

Score: 1
Rafael Toledo avatar
Bluetooth headset profile changes to off during calls
vu flag

Recently during calls on Zoom or Google Meet, my headset has changed automatically its profile on Pulseaudio from HSP/HFP to Off, such that I have to manually change it back to HSP/HFP during the meeting, however after few minutes the annoying behavior repeats again and the headset gets Off.

I have tried some issues:

  • Added auto_switch profile to false on default.pa like here.
  • Removed cookies and user co ...
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Archibugio avatar
How to assign a path variable on a bash file?
tm flag

I need to create a bash file that automatically makes new directories and assign some of them to a variable. I can make folder without problems but when I test variables with echo the console return me nothing:

#!/bin/bash

mkdir ~/Scrivania/TEST2/Salmonella_enterica
mkdir ~/Scrivania/TEST2/Salmonella_enterica/NCBI
mkdir ~/Scrivania/TEST2/Salmonella_enterica/NCBI/vs2
mkdir ~/Scrivania/TEST2/Salmone ...
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Jags avatar
Proper configurations for NTP client in Ubuntu MATE 21.04
kp flag

As I was having time sync issues, I have installed NTP; and though I have gone through quite a few guides/threads, I'm having trouble figuring out:

(1) proper/secure configuration for /etc/ntp.conf, and

(2) whether to open, and what ports in /etc/nftables.conf.

To be extra clear, I just want to sync time with network servers, which I believe, running NTP in NTP client mode. I do not want to run NTP se ...

Score: 0
olufemi Lewis avatar
Xant connect to internet from ubuntu 18.04 terminal via wifi
no flag

Seem to have a problem getting updates an even pinging google dns address 8.8.8.8/8.8.4.4

list of things i have tried I have added nameserver 8.8.8.8 to etc/resolv.conf

I noticed that i couldnt even ping the loopback address when i type ip address, i see eth0,lo interfaces down so i have enabled them with ifconfig eth0/lo up i noticed that i couldnt even ping the router so i added routes i can now p ...

Score: 1
HashKetchum avatar
Issues with arduino, /dev/ttyACM0 and ACLs? (maybe)
nf flag

like many people I seem to be having an issue when trying to connect my Arduino uno to the Arduino IDE in ubuntu but it seems to go beyond the usual issues that people have. I am receiving the classic avrdude: ser_open(): can't open device "/dev/ttyACM0": Input/output error error message, to rectify this I have tried following the usual advice in which you add yourself to the dialout group, reboot an ...

Score: 0
Curious Joe avatar
USB ports not working - not mounting
ph flag

my USB (ports) has stopped working. Unable to mount any usb related device and they do not appear in Disk - gparted either.

No sure why they are broken, but they are :/

I have tried reading up on the matter and it seem to be one of those whre it is easier to re-install ubuntu.

1.Seeing im not able to mount any external harddisk it will be pretty hard to back up data

  1. If you reinstall from usb-live ...

Score: 0
How to isolate user from network
je flag

Just installed Ubuntu 20.04 and like what I see -- almost.

I have set the main Network settings "Make available to other users" as un-checked. I have created a "Standard" user DAVE. I open DAVE's Network Settings and there is no connection show -- that's good. I click the Firefox icon and it loads an Internet page. Say what??

I do not want DAVE to have access to the Internet.

Since "Make avail..." seem ...

Score: 0
ardevain avatar
System V "pg" command
cn flag

I am an old System V guy, and I finally got around to setting up a Linux box, using Ubuntu, of course. One of the first things I noticed was missing is the "pg" command. The web tells me that it is available as part of the "util-linux" package. Ubuntu, which I loaded having checked the the boxes to "install everything," tells me that util-linux is installed, but "pg" and other scripting cammands simply ...

Score: 0
jozik avatar
Ubuntu Studio no sound in LMMS and Chromium, sound in Hydrogen
in flag

In Ubuntu Studio, Hydrogen works fine. But LMMS, Chromium, Musescore and Firefox don'ẗ give any sound. I have QjackCtl running, but can't see anything in the Patchbay. In the Graph I see JACK Hydrogen (OUT_L and OUT_R) connected to system (playback_1 and playback_2) and a couple of other things (like Midi Through (twice), Codec,0,0-in and Codec,0,0-out, ALSA 130:Hydrogen) but nothing connected. Any id ...

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