Latest Ubuntu related questions

Score: 1
Mitchell Knox avatar
Xrandr failed to get size of gamma for output default
de flag

I'm trying to update the resolution of my monitor to 2560x1440. I have a Radeon graphics card and an MSI x570 motherboard.

I run the commands as follows:

mknox10@mknox10-MS-7C84:~$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1366 x 768, current 1366 x 768, maximum 1366 x 768
default connected primary 1366x768+0+0 0mm x 0mm
1366x768      76.00*
mknox10@mknox10-MS-7C8 ...
Score: 0
S224 avatar
SSH to VM running on Virtual Box | kex_exchange_identification: read: Connection reset by peer
mx flag

Hi I'm running my VM on virtual box and trying to ssh to it from my MAC.

Setup:

Adapter 1:

  • NAT
  • Port Forwarding entry,
  • TCP
  • Protocol: TCP
  • Host IP: 127.0.0.1
  • Host Port: 2222
  • Guest Port:22

Adapter 2

  • Attached to: Host-only Adapter
  • Name: vboxnet0

After running: ssh [server]@127.0.0.1 -p 2222 -vv

I get the following error:

kex_exchange_identification: read: Connection reset by peer

terminal output:

Score: 0
Howto deploy latest netplan main on 20.04 LTS?
np flag

Well, title says mostly all. I have a problem with netplan as it is distributed with current 20.04.3 (#102) and even #103 which is in proposed is not good enough. New "ignore-carrier" option which is kind of new seems to fit the bill, but it is not obvious to me how to deploy current neplan.io "main".

Help ?

Score: -2
How to Install slurm in Ubuntu 20.04?
es flag

I would like to install slurm in ubuntu 20.04 in my PC? Can someone list the steps I am required to do for that?

Thanks.

Score: 1
Shortcuts do not appear in dock on login
cn flag

When I first login to GNOME there are no shortcuts in the dock. If I click on activities and search for an application at this time I can start it. After about 30 seconds they will appear.

Running 21.04

Score: 0
Amir Karimi avatar
Error when installing Lubuntu
us flag

I got Error when installing Lubuntu error is :

The installer failed to create partition on disk 'TOSHIBA MQ01ABD050'.

=... Create a new partition (109.99 GiB, ext4) on ‘/dev/sda’ 
=... Job: Create new partition on device ‘/dev/sda’ 
=... Command: sfdisk --force --append /dev/sda 
=... Failed to add partition ‘New Partition’ to device ‘/dev/sda’. 
=... Failed to add partition ‘New ...
Score: 0
LucasM avatar
Wireless adapter driver installed with dkms not working after restart
br flag

I'm using Ubuntu 20.04.3 LTS.

I followed this instructions to install the driver TP-Link Archer T2U Plus a.k.a AC600 High-Gain.

After the first installation, I unplugged and plugged the USB Wireless Adapter again and it worked. After the first system restart, the Wireless adapter stop working. I removed the driver and installed it again and it started worked just fine as before.

I suspect something ...

Score: 0
Lucas Luque avatar
Kernel panic - not syncing : attempted to kill int ! exit code=0x00000100
cn flag

I got this error when i tried to connect a second monitor to my laptop. I don't know what to do now. I tried booting with the previous kernel but i get the same error. What can I do? Thank you.

Kubuntu distro btw.Error screen

Score: 3
Arthenan avatar
Windows update broke GRUB2 so bad even a live USB key cannot boot (September 2021)
cn flag

(and welcome to a new "let's hate on Microsoft" thread)

Asus laptop with a 500GB SSD drive, with a 150GB NTFS Windows partition and a 350GB Ubuntu 20.04 partition (almost sure it is ext4). Dual boot with GRUB/Ubuntu having priority over Windows. Important data on the Ubuntu partition, not on the Windows one.

After a 1-hour Windows update, without any incident (no power outage or anything), the compu ...

Score: 0
Edoardo de Pietri Toneli avatar
RYZEN 9 5950X AMD UBUNTU Ubuntu 18.04.6 LTS VIRTUALIZOR KVM VIRTUALISATION
sd flag

I have a bare metal server with RYZEN 9 5950X AMD and UBUNTU Ubuntu 18.04.6 LTS with VIRTUALIZOR KVM VIRTUALISATION and I am experiencing a crash problem very often.

Initially I thought it was a problem regarding the high CPU usage or a network crash due to too much bandwidth use by the different vpses.

Sometimes the server crashes for a few seconds and other times it goes completely offline until a ...

Score: 0
deathstroke-rk avatar
Other Users Logged in + Wfif
in flag

1)I just switched from mint to ubuntu and since the start its been saying other users are logged in. 2)I need to auntheticate whenever I shut down or suspend. 3)I'm not able to turn on my wifi and I've tried reinstalling the drivers

output of w

w

12:01:56 up 1:16, 1 user, load average: 1.14, 1.81, 1.55 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT rithik_k :0 :0  ...

Score: 0
Vithor avatar
How to create a .desktop to a C program?
kr flag

So I'm trying to execute a C terminal program just by double clicking it. I'm trying to do that through a .desktop file

  • The desktop file has permission to execute as a file and it's in my desktop.
  • The program is named teste, wait for User input and it's in the /home/vithor/
  • I'm Using the PopOs ( it is a "ubuntu distro" );
  • I already allowed executable to launch in the nautilus configs;
[Desktop Entry ...
Score: 0
Brian avatar
When I add 2nd monitor the resolution given becomes to low for either monitor how do I fix that
cn flag

When I add a big screen a monitor via the VGA cable the resolution changes from 1366 x 768 (16:9) which is the built in monitor resolution and is correct for the 2nd monitor to 1024 x 576 (16:9) which dose not work with either monitor and the system gives only one lower resolution option to choose from. How do I fix that and have the correct resolution after the 2nd monitor is connected?

Score: -2
Matheus Reyes avatar
/dev/nvme0n1p8: clean ... after purge python3.8-minimal
fr flag

I executed the command

sudo apt purge python3.8-minimal 

in Ubuntu. After that, the problem

/dev/nvme0n1p8: clean ...

occurs when I start my Ubuntu.
How can I revert this?

Score: 0
Ubuntu 20.04 stuck on boot screen
lc flag

I recently bought a brand new DELL OptiPlex 7080 and set up windows 10 and ubuntu 20.04 togather (dual boot). Ubuntu and windows booted perfectly while installation. After installation, I rebooted Ubuntu and then it booted up normally. Then, finally I changed the Date/Time, Location settings and the rebooted the PC. And this time it stucks (the loader spins, so it was not hung). I waited for 15 minutes  ...

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