Latest Ubuntu related questions

Score: 1
Where to customise the mutter command line?
se flag
Tom

Recent versions of mutter have gained the ability to add virtual displays (--virtual-display 1920x1080 for instance) - but I can't find where to customise the mutter command line. Can someone point me in the right direction?

Running 21.04 GNOME shell.

Score: 0
Thinus Rautenbach avatar
How to ad appimage to "Open With" menu
cz flag

I installed Lightburn software appimage on Ubuntu 20.04 LTS. The files created in Lightburn are saved as either .lbrn or .lbrn2 but when I navigate to these files in the file explorer they don't associate with the app. Also, the app does not show when I right click and choose "Open With". Is there a way I can ad this app to the "Open With" menu?

The app is stored in: ~/.local/share/LightBurn

lightburn ...

Score: 0
Andreas Burger avatar
Intel Cannon Point-LP network UNCLAIMED (Ubuntu 20.10)
tn flag

From one minute to the next, my wifi stopped working. I'm kind of a noob, every help is appreciated!

Laptop

Asus Zenbook UX433F

Distro (Linux only)

Ubuntu 20.10 groovy

uname -r
5.8.0-63-generic

More info

sudo lshw -C network

*-network UNCLAIMED       
       description: Network controller
       product: Cannon Point-LP CNVi [Wireless-AC]
       vendor: Intel Corporation
       physical id: 14.3
 ...
Score: 0
Rishi Sharma avatar
i have some circuit issue in my laptop keyboard so I want to disable the F12 key permanently. How can I disable it permanently?
vn flag

I am using Ubuntu 20.04 and my pc is Dell Inspiron 15 3000 4GB 1TB. I want to disable F12 key permanently. When I use F12 key from external keyboard it work fine but when I use it from the internal keyboard it start misbehaving.

Score: 0
Alimo avatar
OpenConnect certificate failed verification, it says its expired, but it is NOT!
mx flag

When I try to connect to my OCServ using OpenConnect client in ubuntu it throws an error:

Connected to x.x.x.x:yyy
SSL negotiation with server.domain.tld
Server certificate verify failed: certificate expired

Certificate from VPN server "server.domain.tld" failed verification.
Reason: certificate expired
To trust this server in future, perhaps add this to your command line:
    --servercert pin-sha ...
Score: 0
guyd avatar
Ubuntu 20.4 - Fail to boot after install Windows10 as Dual Boot
cn flag

Ubuntu 20.04 is installed on /dev/sda, on a SSD drive. All worked OK.

On /dev/sdc2 Windows10 was installed successfully. Both OS's are UEFI.

grub was not loaded on boot, so to boot Ubuntu or Windows10, was able after boot drive was changed in BIOS setup.

To try to fix it, following this guide.

After installing boot-repair which seemed to be successful, I got an error saying that /boot/grub/i386-pc/normal ...

Score: 0
Simple Fellow avatar
Error message after runnign every apt, apt-get, dpkg command
in flag

After every installation or uninstallation, i get the following message on my ubuntu machine v21.04

newaliases: warning: valid_hostname: misplaced delimiter: linux..
newaliases: fatal: file /etc/postfix/main.cf: parameter myhostname:
bad parameter value: linux.. dpkg: error processing package postfix
(--configure):  installed postfix package post-installation script
subprocess returned error exit s ...
Score: 0
VSI IT avatar
Garbage Display after installation of ubuntu OS 18.04
cn flag

Can Anyone help me Im installing Ubuntu 18.04 but after installation and boot up like in the video I have Garbage Display.. installing it n computer server Dell PowerEdge T130 Intel Xeon Processor 3.0ghz 8gb DDR4 1TB hdd please help me I also try to change hard drive change AHCI TO RAID and vice versa I don't know what to do.

Score: 1
Boxbot avatar
Ubuntu 20.04LTS: Ralink RT2561/RT61 keeps deauthenticating
cn flag

Recently backed up the home folder from a 16.04 LTS install, wiped the disk and did a fresh install of 20.04 LTS, and restored the home folder from the backup. Since then, wifi connects but is slow and regularly drops authentication.

I've tried reloading the wireless kernel module, changing the wifi powersaving settings, and deactivating the N-mode of the driver, with no results.

I think I might need to  ...

Score: 0
onion3000 avatar
Ubuntu 20.04 audio devices cannot be detected
in flag

I just installed Ubuntu 20.04 and have been having trouble with the sound card. The output audio device is stuck on dummy load, and aplay -l returns only HDMI devices. I've tried pretty much everything I can find and nothing has seemed to work. Some additional information:

Dell XPS 7590

lspci -knn | grep -A3 -i audio returns:

00:1f.3 Audio device [0403]: Intel Corporation Cannon Lake PCH cAVS [8086 ...
Score: 1
In Ubuntu 20.04 how do I add custom page size for printer
cn flag

How do I add custom page size to a printer. I do not see an option to set my own page size.

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Score: 0
Ubuntu focal on WSL2 unable to download files
cn flag
Wes

I am running Ubuntu focal as a WSL2 installation on Windows 10.

It appears that my Ubuntu installation is unable to download any files. I have illustrated it with a simple wget command, but the situation is blocking sudo apt update and any other system updates.

ping is returning expected results.

The host Windows system is working as expected, and is able to display the file that wget couldn't fetch. ...

Score: 0
Snarke avatar
Printer Modification Forbidden
kr flag

I'm trying to install a printer on a nearly-new copy of 20.04.3. If I access the graphic interface with VNC, the printer control panel is totally locked down, and will not allow me to unlock it. After smacking the cupsd.conf file around, I got it to give me the [expletive deleted] CUPS web interface, but every attempt to use that gets me "Forbidden" if I try to Modify or Add a printer. Trying to use lpa ...

Score: 6
Unable to upgrade from 20.04.2 to 20.04.3
gb flag

I recently bought a Dell Laptop with Ubuntu 20.04.2 pre-installed in it. After my first time login, it did update a few software packages, but I was still at 20.04.2 at the end of it. I tried apt-get update && apt-get upgrade / apt-get dist-upgrade through the terminal, but still no effect.

Considering 20.04.3 is already released end of August, shouldn't I be getting it when trying to do  ...

Score: 0
I can't login Ubuntu in online accounts after install Ubuntu 20.04
br flag

I can't not enter ubuntu one, I copy password in my firefox account so there is no way I type wrong password. Then I try wrong password, it realised. I tried my password one more time, it kept me wait 1 hours without reps

I reinstall 3 times, but the result is the same, I don't know how to fix that, please help me

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