Latest Ubuntu related questions

Score: 0
Reza Hosseinzadeh avatar
Problem in restore file in testdisk
kr flag

I deleted an important file and want to restore with testdisk, but I have problem:

1- I selected "create".

2- I selected the hard.

3- I selected partition table type (EFI GPT).

4- I selected "Advanced".

5- I selected "List" option of the partition.

6- I find and restore the file.

7- When I opened restored file, I see it is empty!

8- I deleted the restored file and try to restore again.

9- I went unti ...

Score: 0
Helpppppp avatar
Pinging a website, packets are being transmitted but l am not receiving any
in flag

I am trying to ping twitter for an assignment that l am doing. Every time l ping the site it's showing packets being transmitted but l am not receiving any back. Tried pretty much everything at this point. Need help please. enter image description here

Score: 4
ADMI avatar
Can't Install Gnome-Control-Center on Ubuntu
ve flag

I installed xfce4 on my ubuntu today i removed it and installed Gnome back, but after that i had issues where my setting was not able to open i searched about it and found that gnome-control-center was missing from my computer and i then tried to install it and got this error

$ sudo apt-get install gnome-control-center
Reading package lists... Done
Building dependency tree       
Reading state information ...
Score: 0
shuba.ivan avatar
Apache2 Permission denied - access to / denied because search permissions are missing on a component of the path
us flag

I use apache and faced with permission problem on Ubuntu 21.04

Server version: Apache/2.4.46 (Ubuntu)
Server built:   2021-06-17T17:09:41

sudo apache2ctl configtest returned Syntax OK

my logs

[Thu Jul 22 14:08:49.553904 2021] [core:error] [pid 33685] (13)Permission denied: [client 127.0.0.1:41084] AH00035: access to / denied (filesystem path '/home/ivan/hosts') because search permissions are missing ...
Score: 0
MAAS failed to deal with infiniband 20-octet long MAC addresses
ug flag

I'm installing MAAS 3.0 (regiond+rackd) on a HPC management node (Ubuntu 18.04). The infiniband network interfaces immediately caused some problems because its MAC-address is 20-octet long, not 6-octet long. But the MAAS DB uses type macaddr for column mac_address in table maasserver_interface, which assumes 6-octet.

2021-07-21 07:37:31 maasserver.start_up: [error] Database error during start-up ...
Score: 2
Wave avatar
Graphical artifacts with RTX 3090 GPU under Ubuntu 20.04
jp flag

I have a computer running Ubuntu 20.04 with a GeForce RTX 3090 graphics card. The system works fine for the most part, and I have been running PyTorch on the GPU without problems. However, the display output itself has annoying visual artifacts. Here is what I am seeing, the green parts flicker rapidly. Specifically, it seems to affect pixels that are completely black or perhaps just have one of the R ...

Score: 0
Cassie S avatar
Ubuntu won't boot (Mac M1, parallels desktop)
mx flag

I have had my MacBook M1 with a version of Ubuntu installed via Parallels since about February this year. All was working correctly with it but yesterday I started getting some errors when trying to remove a file. I decided to shut down the virtual machine and restart it, to which i was faced with this boot menu:boot menu image

If I select Ubuntu, it does not boot and is just a black screen.

If I  ...

Score: 0
Pratibha Kadam avatar
getting error cuda Error: No Device
in flag

I am trying to run a tool which requires gpu when i run the command it says," Cuda Error No Device".I have graphic card of nvidia-geforce in my device too. I have tried installing cuda for the matter but my system got crashed.so i have installed ubuntu 18.04 freshly. Please let me know the solution stepwise.

Thanks, Pratibha

Score: 0
Emp avatar
How to get Bootable x86 install on HDD Partition beside Win XP
us flag
Emp

Short story: Installed xUbuntu beside Win XP on an new partition - cant get a boot to linux in the BIOS or

Background: I have an old HP Lenovo S10 Ideapad that I want to make into a Linux 'netbook'.

I downloaded Xubuntu 18.04.5 LTS, set up a boot USB, changed the Boot order to boot from USB, booted it up in Xubuntu, tried it out. Looked ok, albeit a little slow, which I figured was mostly the read t ...

Score: 0
asaf92 avatar
New Ubuntu installed on new drive, boot loader is in old drive
ke flag

This is a follow-up for this question

I installed a new Ubuntu installation on a new SSD. In the installation, I selected the new SSD as the device for boot loader installation.

When I turn on my PC I see a GRUB bootloader screen with all 3 of my OSs (new Ubuntu, Windows and old Ubuntu) and everything works fine.

However, when I enter BIOS I see that this boot-loader is actually the one that belong ...

Score: 1
Simon Sirak avatar
Interrupted apt, now cannot use Ubuntu 18.04 LTS
nz flag

I am running dual boot Windows 10 and Ubuntu 18.04 LTS with NVIDIA GPU:s and stupidly forced my computer to shut down during an Ubuntu apt installation, as I mistook it for a crash (screen turned black followed by a terminal) without looking too much into it. Since this, I have not been able to use as the system freezes entirely when reaching the login screen (I am already using nomodeset). Booting into ...

Score: 0
JahStation avatar
amd Surface 4 not boot with20.04 lts
ru flag

I have this laptop, and installing 20.04 lts give me a system almost impossible to use. Then I have found: https://github.com/linux-surface/linux-surface/

And after it almost works, but the boot is problematic. I can not login if I boot normal, I must select last kernel option, in recovery mode, then hit "resume" on the diagnostic screen, and then the login is visible and the system works.

I have tried di ...

Score: 3
shuba.ivan avatar
Ubuntu 21.04 shutter did not work without X11 server
us flag

I installed shutter 0.97 version

sudo add-apt-repository ppa:linuxuprising/shutter
sudo apt-get update
sudo apt install shutter

and

sudo apt install gnome-web-photo

but faced with error when try to screen selection

can't take screenshots without X11 server

how to fix it ?

Score: 1
Nastyhorsefork avatar
Accented letters in Ubuntu 20.04
no flag

How do I make accented letters in Ubuntu 20.04? I had it before in previous versions, with one key that you first pushed to start making the accent. I would like to have that same system again, but I can't find it.

Score: 0
Amey patil avatar
Xubuntu 20.04 wifi not working
aq flag

So I did a fresh installation of xubuntu 20.04 and while downloading process I connected to wifi and it connected but after reboot the wifi does not work I am not that good with linux so I need your help . Thankyou

EDIT : I had to shutdown my laptop and start again. now I connect to wifi but it suddenly gets disconnected after 5-10 minutes of usage

Score: 1
CPU package power consumption is connected to nVidia GPU P-states which caused CPU to throttle during load
au flag

CPU: 7700HQ GPU: GTX 1050

I used Prime95 to stress the CPU (using AVX2). It stabilized at 3.0GHz@45W after few minutes. It was expected result so nothing new here.

After that I installed nVidia driver (470.x). In nVidia control panel I selected to use performance mode (only nVidia gpu). I thought that this will free the cpu even more and the clock speed should be at least equal or even higher tha ...

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