Latest Ubuntu related questions

Score: 1
Ralph Eichelberger avatar
how to set default media (paper size) for a printer using lpoptions
sd flag

I want lp to print to a default printer and can set this using lpoptions -d , but I can't find a way to set the default media size. Is there any way to do this with some lp... command or do I need to edit some config file?

Score: 2
UB89BVHZG avatar
How to preserve and freeze modification made during a LiveSession of LiveDisc and to prevent any further modification without remastering the LiveDisc
jp flag

A bootable read-only LiveDisc (e.g. LiveCD, LiveDVD, write-protected LiveUSB, write-protected LiveSD) holding a complete OS (e.g. Ubuntu or Mint) is ideal to prevent unintentional modification that would be caused by inadvertence, accidents, malware pieces or malicious attacks. A writable boot disk such as HDD or SSD would be susceptible to unintentional modification.

However, some of the defaul ...

Score: 0
Isaac Singh avatar
How do I completely remove Steam or .deb file?
th flag

I would like to know how to uninstall Steam. I looked everywhere but I cannot find any answers. I think it is worth mentioning that I installed it from a website and not the Software Store.

Score: 0
Swag1 avatar
Remote Desktop to Ubuntu from Raspberyy Pi
at flag

I have a virtual Raspberry installed on VmWare. Likewise, there are virtual Windows 11 and virtual Ubuntu 20.04.2 installed on VmWare. With the help of Remmina, which I installed on Raspberry, I can connect to Windows 11 remotely with RDP, but I could not access Ubuntu anyway. It didn't happen with either VNC or RDP. How can I solve this problem?

Score: 0
RiquezJP avatar
RAW Thumbnails in Nautilus (Sony .ARW)
cn flag

I am struggling to have RAW Thumbnails show in Nautilus. I am using Ubuntu 21.04 & specifically Sony ARW from Sony A6000, Nex 6 & Nex 3 cameras. All of these use the same arw with embedded jpg thumbnails.

In Nautilus I just see a generic icon.

I tried a method to enable the mime-type image/x-sony-arw in pixbuf-thumbnailer, but it didn't work. I think Sony arw is simply not supported by pixbuf ...

Score: 0
m3081 avatar
i can't start dual boot ubuntu 21.04
uz flag

yesterday i installed ubuntu 21.04 and restarted but i could not run ubuntu. windows boot manager opened and offered 2 options (windows 7 or windows 10) I installed ubuntu instead of windows 10 and now windows 10 does not start and ubuntu option does not appear

Score: 0
Samuel Penn avatar
Running steam on Alienware R12
cn flag

I've been trying to get Ubuntu working on a Dell Alienware R12, and running into various issues. I have Nvidia-460 drivers installed, and they're picking up the GeForce RTX 3090 okay, and Blender seems happy with that.

However, the current problem I'm looking at is that Steam crashes whenever I try to run it. I've tried both the version of steam that is in the Ubuntu repository, and also a deb I downloade ...

Score: 0
Gargi Singh avatar
/var taking up too much space
in flag

I got a message that I am running out of space, so I did du -h and figured that the /var folder was taking 176 GB space! I cleared away all the .gz (gzipped files) but still no improvement!

enter image description here

Score: 0
Ariel avatar
No Wifi option in Ubuntu 20.04
nl flag

My ubuntu desktop previously had both wifi and ethernet option. However, there is no wifi detected. OS detects the ethernet controller but wifi controller is no longer detected by system.

I am currently using ethernet at the time of writing.

saurav@ubuntu:~$ lspci
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Host Bridge/DRAM Registers (rev 07)
00:01.0 PCI br ...
Score: 0
No speaker sound, Ubuntu 20.04 on a MSI B450 TOMAHAWK MAX II motherboard
cn flag

I installed the Ubuntu 20.04 LTS on my PC, finally decided to not use Windows anymore! :) Anyhow, everything works just fine except one thing. I am not able to get any sound at all from the built in soundcard on my motherboard. I'm using the MSI B450 TOMAHAWK MAX II MB that looks like it's a Realtek® ALC892/ALC897 Codec support. Unsure of what chip it actually is. I have looked at other articles but ha ...

Score: -2
Sher_shaah avatar
Ubuntu keeps inserting '222222...' across applications by itself at cursor position
cn flag

I recently installed Ubuntu 20.04 LTS on my old enough Acer Aspire 7738G and everywhere it keeps adding a string of "2" characters, i.e. "22222222" at the cursor position no matter if I open a browser, open search bar in Ubuntu, terminal, etc.. I am able to delete this string by hitting the Insert key and then delete.

Previously I had Windows 7 installed where I had the same issue and decided to ...

Score: 0
Peter Franke avatar
Update problem NO_PUBKEY / keyserver receive failed: No data
cn flag

I tried to make a update / upgrade for Ubuntu 18.04. but the system blocks because of outdated pubkey

( The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D409AC6D65FE6664)

I found some solutions but i cant setup it

root@server ~ # apt-key adv --keyserver keyserver.ubuntu.com --recv-keys D409AC6D65FE6664
Executing: /tmp/apt-key-gpghome.JmsnAed5a6/gpg.1.sh --k ...
Score: 0
Chandrahas avatar
Can't upgrade Scipy 1.5.4 to 1.7.0 using pip
mc flag

I am a new Ubuntu user and don't have much experience with how installations are done in Linux. I installed the Scipy module using pip a while ago and it downloaded version 1.5.4. Now, when I try to upgrade it to version 1.7.0 using pip, it cannot seem to find the package to download and says the latest version is already installed. I have tried finding for alternate ways to install the latest version b ...

Score: 0
Umer Ilyas avatar
chrome in kiosk .desktop file is not working
us flag

i made a file /usr/share/xsessions/kiosk.desktop

[Desktop Entry]
Type=Application
Name=Kiosk
Exec=/home/kiosk/kiosk.sh
X-GNOME-Autostart-enabled=true

enable the user kiosk autologin

edit the /var/lib/AccountsService/users/kiosk as this

[User]
Session=
XSession=kiosk
Icon=/home/kiosk/.face
SystemAccount=false

[InputSource0]
xkb=us

in the kiosk.sh file I start the chrome in kiosk mode fullscreen b ...

Score: 0
Nvidia GPU not found (driver problem)
mx flag

I was trying to use gpucomputing (through cuda) in matlab, but it couldn't find my nvidia GPU

I tried the steps outlined here, and found that the output of

lspci | grep -i nvidia 

includes

01:00.0 VGA compatible controller: NVIDIA Corporation GP107GL [Quadro P400] (rev a1)

but "nvidia-smi"

NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDI ...
Score: 0
Ubuntu 20.04 gnome tweaks not working with python 3.9
us flag

I recently upgraded my default python version from 2.7 to 3.9. I updated and upgraded, everything working fine except the gnome-tweak is not working or not apprearing.

Any kind of information would be appreciated.

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