Latest Ubuntu related questions

Score: 0
dogmoore avatar
Changing boot order without BIOS
my flag

Ok ok ok, so I'm attempting to update my laptop to 20.04 but the main screen is completely broke and I don't have the money to replace it, so I cant access the BIOS to change boot order, using efibootmgr didn't work either. I am out of ideas and would very much like some help, I have my bootable flashdrive all set up and plugged in

Score: 0
Mihail Minkov avatar
Create an SSH user and limit access to a specific folder
kr flag

So, I am trying to do the following. I have a DigitalOcean Ubuntu server with SSH keys login by default.

I need to create another user that should only have access to the /var/www/mysite.com/public/b folder. My process was the following:

1. Creating a new user using the following command:

adduser 
    --home /var/www/mysite.com/public/b 
    --shell /bin/bash 
    --no-create-home 
    --ingroup  ...
Score: 0
Gary avatar
Ubuntu Impress ODP
au flag

Am working with an "ODP" file and wanting to set up the transition timing and add a sound file---the sidebar shows up but clicking on any of the selections doesn't come up with the necessary selection to do anything. It used to work good but maybe something changed in an update??? Using Ubuntu 20.04 LTS How do I get that back to working? Gary

Score: 0
Crayons avatar
SFTP Chroot Error: Broken Pipe
at flag

Update: The code below has been updated to reflect the changes identified in the marked answer, and is therefore working as expected.

I am trying to establish SFTP-only users on my server, that are jailed to their home directory. When attempting to connect to the server, I receive a broken pipe error:

debug1: Authentication succeeded (password).
Authenticated to xxxx.xxxxxxxx.com ([XX.XX.XX.XX]:22).
debu ...
Score: 5
Freshmaker avatar
Is it possible to force all audio to mono?
rs flag

I am deaf in one ear and want Ubuntu to mix both left and right audio channels to mono audio. There is an Accessibility Setting for this in Windows, but I cannot find one in Ubuntu. The only Hearing Accessibility Setting I can find is for Visual Alerts. I am currently using 21.10, but also couldn't didn't see anything on my other computer running 20.04 LTS.

I saw a couple of older search results ...

Score: 1
Does Waydroid run in a virtual machine?
sd flag

I haven't found information regarding VM-support in Waydroid, but there's at least a related Github pull request. I don't currently run Ubuntu or any of its derivatives on my main machine.

I have installed Waydroid on Ubuntu 21.10 (Impish Indri) and 20.04 (Focal Fossa) in Oracle Virtualbox, but Android apps don't launch and no error messages are printed to the terminal.

Score: 0
AlexFullinator avatar
drop_cache Permissions Denied
ar flag

I was following https://www.tecmint.com/clear-ram-memory-cache-buffer-and-swap-space-on-linux/ and I realized that I had no permissions for /proc/sys/vm/drop_caches. I even used sudo su and it still said Permissions denied. Why can't I access this file? All I want to do is to be able to access it and even with complete root privilages I can't?

Ubuntu 20.04

Score: 0
pnickolas avatar
Cannot Install New Software (Store Bug)
vn flag

When I try to install new software, the dpkg and the libllvm12 interrupts the process with the following errors:

 The following packages have mismatched dependencies: 
libllvm12 : Break: libllvm12:i386 (!= 1:12.0.0-3ubuntu1~20.04.3) but 1:12.0.0-3ubuntu1~20.04.4 is installed  libllvm12:i386 : Break: libllvm12 (!= 1:12.0.0-3ubuntu1~20.04.4) but 1:12.0.0-3ubuntu1~20.04.3 is installed 
E: Mismatched depen ...
Score: 0
Plaintext login password shows on screen on laptop wake (Lubuntu 18.04)
gb flag

Yesterday, I did a clean install of Lubuntu 18.04 via the the 64-bit image here https://cdimage.ubuntu.com/lubuntu/releases/18.04/release/ on an Asus Vivobook E410M. Whenever the lid of the laptop is closed and reopened, for about half a second, the final 10 characters of my password are displayed in the top-left hand corner of the screen in plaintext.

I'm wondering if anyone has heard of this behavio ...

Score: 0
ramzataz avatar
How can I keep notifications from disappearing when there is more than 3?
gn flag

Notifications only keeps a maximum of three notifications, is this normal? Sometimes I need more time to respond to older notifications but if I get a fourth notification the oldest notification disappears. I have installed some extension which help with other notification problems.

These are the extensions I've installed;

https://extensions.gnome.org/extension/41/permanent-notifications/ (Keeps notifi ...

Score: -2
Christian E Andrade avatar
External sound card (PCM2902) doesn't work correctly
bb flag

The problem is that on my desktop pc it does not recognize all the profiles of the audio card, and therefore, it does not let me use the microphone.

I have this issue using Pop_os and Ubuntu 20.04.3. When I run pacmd list-cards on my iMac 21,5 desktop pc, I get the following:

index: 4
    name: <alsa_card.usb-C-Media_Electronics_Inc._USB_PnP_Sound_Device-00>
    driver: <module-alsa-card.c ...
Score: 0
Dee avatar
Xbuntu 18.04.5 install need to add wireless capabilitiy
us flag
Dee

I have an old eMachines desktop that was running Vista. I installed Xbuntu 18.04.5 after trying Ubuntu 20.04.3 LTS and 21.10 neither would boot from the cd which I believe the machine does not have 64bit. The Xbuntu fired right up and the install was easy.

I then tried to access Network Manager which was not available so I am now trying to establish a wireless connection manually. I have a Dell W ...

Score: 0
can't boot after reboot when upgrade to 20.04 was done
gw flag

I can't boot after reboot when upgrade to 20.04 was done. I get stuck on mysql start loop

starting MYSQL Community Server...
[FAILED] Failed to stat MYSQL Communoity Server.
See 'systemctl status mysql.service' for details
[OK] Stopped MYSQL Community Server.
starting MYSQL Community Server...
[FAILED] Failed to stat MYSQL Communoity Server.
See 'systemctl status mysql.service' for details
[OK] Sto ...

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