Latest Ubuntu related questions

Score: 2
rbj avatar
How to get rid of duplicate / not working app icon
my flag
rbj

I have two Spotify icons showing. I already followed the instructions in How do I get rid of a duplicate application?, but the app that was removed was the working one. Now I want to restore the previous working app and remove the duplicate non-working icon.

enter image description here

Score: 8
Damocle Damoclev avatar
"Warning" window after launching computer (Ubuntu 21.10)
jp flag

This warning window keeps popping up since I've updated to Ubuntu 21.04 and 21.10. How do I get that solved?

enter image description here

Score: 1
Andrew Harlan avatar
Keyboard and mouse/touchpad lock up waking up from suspend mode
in flag

I'm using Ubuntu 20.04.3 LTS. As my laptop is quite dated and as I don't have an SSD, it takes a long time to boot into OS so I always leave the computer in suspend mode. Problem is about 1 of 5 times I switch on the PC from suspend mode, keyboard and mouse functions are gone after I hit the first key on my keyboard to enter my login password. As soon as I hit the first key, login password box is full o ...

Score: 1
user avatar
Mirror 3 displays on Ubuntu 21.10
ke flag

Is it possible to mirror all my 3 connected displays on Ubuntu 21.10?

(The Display settings work fine up until 2 displays, the problem is that there is no Mirror option anymore if I connect the third display.)

I'd like to keep this setting after restarts and even show the login screen on all 3 displays.
(If it's not possible than show login on primary, and switch to mirrored after login.)

Score: 1
unable to SSH but successfully pinging
ky flag

I have configured a static IP in Ubuntu 20.04 i.e., 192.168.0.2, with DNS as 192.168.0.1, 8.8.8.8 and default route 192.168.0.1. Now, as I am pinging from other machine on the same network, it is successfully pinging, but when I am trying to connect from Putty it is showing connection refused. I have also checked my firewall for port 22 for allowing SSH connection.

This is my ifconfig result:

doc ...
Score: 0
Asmit avatar
I have to add this directory to path or it is something else
sg flag

I downloaded some games from itch.io When I tried to open that after making it executable it says -

Set current directory to /home/user/gamefolder
Found path: /home/user/gamefolder/gamename

That game is made in Unity, Some game get open but lots of them give that same error. I open them using ./gamename after making it executable using sudo chmod +x gamename

Am I doing something wrong or there is a ...

Score: 1
L. Z. avatar
Ubuntu 20.04.3 resolution 3440x1440 iiyama GB3466WQSU
us flag

I bought new monitor to my home (iiyama GB3466WQSU) for my laptop HP Probook 455R G6. Currently I tried connecting it via hdmi and I cant use 3440x1440, its not appears on display settings. I read that this monitor model hdmi supports up to 3440x1440 100hz.

display resolutions settings

In office Im using another ultrawide monitor Samsung (don't remember model) and it works with 3440x1440 on hdmi.

Trying different sets of cable  ...

Score: 0
apt update in WSL fails: Failed to fetch ... no such file or directory
br flag

I already updated WSL itself (as Administrator)

> wsl --set-version ubuntu-20.04 2
> wsl --update

Which worked but still did not solve my problem inside the WSL Ubuntu 20.04.

$ sudo apt update
Reading package lists... Error!
E: Failed to fetch store:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_focal_main_binary-amd64_Packages.xz  rename failed, No such file or directory (/var/ ...
Score: 0
Vladislavuz avatar
ubuntu 21.10 / llvmpipe (LLVM 12.0.1, 256 bits) instead of nvidia 1060
eg flag

The video card is defined as llvmpipe (LLVM 12.0.1, 256 bits) instead of nvidia 1060 after the latest OS updates.

gist

Score: 3
Startup of desktop environment is geting progresively slower over time
in flag

I have ubuntu 18.04 installed for >3 years with Xfce desktop environment. Over the last year the startup of desktop environment (i.e. time from log-in before disk finish crunching) became untolerably long (>5minutes?).

This is strange because

  1. I expect linux does not have the same issues as Windows which slow it down over time (Windows gets progressively slower over time, why doesn't Ubuntu?
Score: 1
How to see com1 communication in Ubuntu 20.04 like in window Hyperterminal
cn flag

In Windows I can use Window HypterTerminal message sent from COM1. In that I can mention baudrate, Data bits, parity,stop bits,flow control and then able to see message sent by external device in the hyper terminal in my windows computer. enter image description here I would like to do be able to see same in my ubuntu system. Is there any command or tool that I can use where I can set these values and see the COM1 messages?

 ...
Score: -1
Am.Shekari avatar
Delete boot files that appear to BIOS
ph flag

Hello guys and thanks for opening the question at least

I need help I installed so much OS (at least 15) before but I didn't Delete them by true way and the boot files of all of them is appears to my BIOS and my BIOS has bug and when my Boot files goes more than 12 it's crushing (this bug appears after I update the BIOS to latest version) and now I wanna delete that Boot files that appear in BIOS ...

Score: 0
Hemant Vetal avatar
Number keys switching applications (Ubuntu 21.10)
pl flag

When I'm pressing the number keys above the keyboard it keeps switching applications and when I press it with the Super key the number keys are working. I think the keybindings are reversed. I did try dconf-editor but the keybindings are showing correctly. How to reverse it to default settings?

Update: In the login window, numbers are working as expected.

Score: 0
unlocking/dev/sdb3..no key slot with given phrase
se flag

Is there a way to access a hard drive if I can't remember the password? The error message says:

passphrase: no keyslot with given phrase
used set pass key phrase ....
error unlocking/dev/sdb3: failed to activate device:
Score: 0
Andrea Moro avatar
Where can app specific right click contextual menu be altered?
cn flag

I've been looking into this for a while now, and no matter which .desktop file I look into, I can't change the Ubuntu file explorer "new documents" contextual menu.

So I have chinese translated WPS launchers, but not a simple text editor. A possible solution here doesn't work.

Can somebody point me on the right direction, please?

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