Latest Ubuntu related questions

Score: 0
Videkas avatar
PC i3-9100e won't wake up on certain time
cn flag

Tried on the newest Ubuntu 20.04 LTS - kernel 5.8.0-59-generic. CPU - i3-9100E, GPU - integrated intel

commands what were used for the wake alarm and sleep:

  1. suspend to RAM and wake up after 60 seconds: sudo rtcwake -v -m mem -s 60

the rtcwake output shows, that PC must wake up after 60 seconds, but seems that rtc driver won't work properly and POS won't return from the sleep at all, i.e. PC is not r ...

Score: 2
piontec avatar
Self-signed kernel loading stopped working after upgrade to 21.04
za flag

I have a strange problem with secure boot and self-signed kernels. On 20.10 I was able to boot (everything with Secure Boot) both canonical-signed and self-signed kernels. After upgrade to 21.04 loading self-signed kernels doesn't work anymore: I get "vmlinuz has invalid signature" error. The error seems clear enough, but:

  • Secure Boot is on and grub loads just fine and loads canonical-signed kernels  ...
Score: 0
Ubuntu 21.04. How to get round app icon to appear at center bottom of the app preview?
in flag

When I was using Fedora 34 a big app icon showed on the center bottom of each app preview. How to do the same in Ubuntu 21.04?

Score: 0
Masoud Garazhian avatar
Cant connect to my Ubuntu Api
th flag

I'm using ubuntu on VM , I can ping it also its ok on sharing folders and etc. I've run a NginX and deploy an Simple Api on it and its ok on local machine. but I cant call the Api from the outside , ive tried another ubuntu and another windows, I've tried disabling both my windows and ubuntu firewalls, I've tried add allowed ports both on ubuntu and windows. I donno what to do

Score: 2
Alv123 avatar
DisplayPort error on Thinkpad for Ubuntu
pl flag

My Thinkpad L480 constantly throws an error when connecting external monitors to the docking station. I have to open and close the lid of the notebook repeatedly to get a signal.

It throws the following error. Not sure what it means:

kernel: [drm:drm_dp_mst_dpcd_read [drm_kms_helper]] *ERROR* mstb 000000005b62a483 port 1: DPCD read on addr 0x4b0 for 1 bytes NAKed
kernel: [drm:drm_dp_mst_dpcd_read [drm ...
Score: 2
Francesco Aloisio avatar
Question marks instead of libre office icons
bt flag

Hi with the update of libre office to the current version if I open Base and Impress they appear on the launcer of question marks as icons. Can I fix this bug?

enter image description here

Score: 0
Fondfire avatar
How do I fix my Bluetooth device in Xubuntu 20.04?
it flag

After recent package upgrades on Friday, July 16th, the Bluetooth device on my motherboard quit working. (Apt's history log here: http://paste.ubuntu.com/p/zKFyYkNBXn/plain/) I've attempted to downgrade and adjust the packages since the install, but none of those attempts have restored the device to functioning (though I did not exactly exactly reverse Friday's upgrade either).

The Bluetooth devi ...

Score: 0
Enrique Moreno Tent avatar
Bluetooth Mouse MX Master in Ubuntu 20.04 - Scrolling became slow after upgrade
et flag

I am using Ubuntu 20.04 and a Bluetooth Logitech Mouse MX Master 3

Yesterday my mouse was working perfectly but today, using the scroll wheel makes the scrolling in every application extremely slow.

I did a software upgrade yesterday with sudo apt full-upgrade, which is the only thing that comes to my mind, that could have messed things up.

How could I fix this issue?

Score: 0
Manas Paul avatar
My audio output or input does not working
in flag

I have these two types of port for headphone or microphone but none of them are working. I am using ubuntu 20.04.02 LTS.

audio ports 1

audio ports 2

Here is what it's showing inside pulse audio. pulse audio settings

Score: 0
Ashish Sarraf avatar
I am unable to uninstall netbean in my Ubuntu
tr flag

i install netbeans form terminal and now I am try to uninstall netbeans. i have tried remove for Ubuntu software

sudo apt-get remove --purge netbeans
sudo apt remove netbeans
sudo apt autoremove netbeans
all of above says/: 
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Package 'netbeans' is not installed, so not removed
0 upgraded, 0 newly install ...
Score: 0
Jesús Penaloza avatar
Error when suspending MSI 65 Stealth, Ubuntu 21.04
it flag

When I suspend my laptop and turn it back on it looses wireless connectivity and its unable to recognized my external monitor,

When I reboot the computer the wireless connection goes back on but to get the monitor working I have to go the bios and enable and disable the secure boot for it to start working,

any ideas why this problem might be showing up?

Computer MSI Stealth 65 Dual Boot = Main Windows  ...

Score: 0
S Andrew avatar
Ubuntu20 headless xfce slow response on VNC
cn flag

I have installed Ubuntu20 on intel NUC. I have also installed VNC on it so that I can access this machine at client site from my office. I have to operate it without monitor, so as soon as I unplug hdmi monitor from it, vnc shows it as black screen. So I have installed xfce on it and switched to xfce desktop instead of default ubuntu desktop.

Now I can access it via vnc and no black screen is show ...

Score: 1
Chan Jacky avatar
When I ran apt-get update, I got the error "...repository... does not have a Release file"
gb flag

When I run apt-get update, I get the following error message:

error:8 http://ppa.launchpad.net/mc3man/xerus-media/ubuntu hirsute Release
  404  Not Found [IP: 91.189.95.85 80]

error:9 http://archive.ubuntu.com/ubuntu trusty/main arm64 Packages
  404  Not Found [IP: 91.189.88.142 80]

E: The repository 'http://ppa.launchpad.net/mc3man/xerus-media/ubuntu hirsute Release' does not have a Release file.
N: Up ...
Score: -5
oscillo scoper avatar
Package download in terminal
cn flag

Does this means I need 403 MB of internet data to proceed this operation? 1

Score: 0
Tom avatar
Boot from Flash Drive
in flag
Tom

I have followed all the steps using Rufus to on my Flash drive downloaded ubuntu-20.04.2.0-desktop-amd64.iso to and I still cannot load the operating system from the flash drive. I do have the bio enabled to load from a usb. I have tried many times and it will not load. What do I need to do. Thanks

Score: 2
Vachnika avatar
“Please run ‘e2fsck -f /dev/nvme0n1p7’ first” when trying to resize partition using GParted
cn flag

I’m running GParted from a live usb. When GParted tries to execute resize2fs -p /dev/nvme0n1p7 It throws an error and says “Please run ‘e2fsck -f /dev/nvme0n1p7’ first”.

I have tried running the above command in terminal and following it with resize2fs -p /dev/nvme0n1p7 but get the same error. I’ve also tried rebooting as well as running chkdsk /f on windows.

Not sure what else to try. An ...

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