Latest Ubuntu related questions

Score: 1
Dan Wallace avatar
Troubleshooting Ubuntu autoinstall for desktop with LUKS
ng flag

I'm trying to troubleshoot an Ubuntu autoinstaller using cloud-init & autoinstall. Ideally I'm trying to have it encrypt & partition the main OS disk on a laptop after the installer runs. Everything in the following file is working, except for the Storage section, which I've copied over after running through the installer with Storage as interactive.

Here is the user-data file which I put ...

Score: 0
Bram avatar
modprobe nouveau fails, as it tries to load 'off.'
cn flag

When I try modprobe nouveau I am greeted with:

modprobe: ERROR: ../libkmod/libkmod-module.c:838 kmod_module_insert_module() could not find module by name='off'
modprobe: ERROR: could not insert 'off': Unknown symbol in module, or unknown parameter (see dmesg)

There is no blacklist for nouveau in /etc/modprobe.d/ so I am not sure why this fails?

bram@Workstation:/etc/modprobe.d$ grep off *
blacklist-r ...
Score: 0
Ivan avatar
Cannot install packages from focal repository
mx flag

I think i broke my repositories somehow (looks like it happened after install postgress).

For example when i try to install python3-dialog (and many other standard packages) that present in focal universe repository I faced problem:

sudo apt-get install -y python3-dialog
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package python3-dialog is not availa ...
Score: 0
Pcb_Eng avatar
How may I get an RTL8211E (USB3 WiFi adapter) working?
cn flag
  • Distro: - Ubuntu 20.04.4 LTS (fresh install today from scratch)
  • Device: - Unknown manufacturer but has the label "AC1200". It is a dual-band 2.4/5GHz type.

I'm trying to install my WiFi device under Ubuntu but the system doesn't appear to recognise it by default. The device has a RealTek chipset according to lsusb:

Bus 003 Device 008: ID 0bda:b812 Realtek Semiconductor Corp. 802.11ac NIC

When I bo ...

Score: 1
A J avatar
Different CMAKEs, unable to remove one of them
cn flag
A J

I have two cmake commands, one has a path /usr/local/bin/cmake, which I would like to uninstall. I tried running apt remove cmake but it gives Package 'cmake' is not installed, so not removed. The other one (which I installed using pip) is located in a virtual environment. However, I would like to keep this one.

Score: 0
TryingHardToProgramm avatar
How to uninstall adroid-sdk from Ubuntu
my flag

to install the android sdk on linux I typed:

$ sudo snap install androidsdk

which should have been:

$ sudo snap install android-sdk

Now I cant remove it with:

$ sudo snap remove android-sdk

Does anyone know what to do? Is there a possibility that it is a virus?

Score: -3
smala017 avatar
Display colors changed after installing Ubuntu, even after uninstalling
in flag

I've never used Ubuntu before and had to install it for a class assignment. I had to restart my Windows 11 computer after " enabling Windows Subsystem for Linux," and then I tried to install Ubuntu (for some reason it doesn't work, but that's not my problem here). Now I notice that the my display is different; the colors are less saturated than before! And I have no idea how to change it back! This cont ...

Score: 1
Pete avatar
Why might Java code run fine manually, but not from a Shell Script?
no flag

Hi have a frustrating problem: On my Ubuntu 22.04 machine, I have some Java/Maven code which I can run manually from the command line:

me@UbuntuV2:~/home/me/path/to/Java/Code$
me@UbuntuV2:~/home/me/path/to/Java/Code$ mvn test
[INFO] Scanning for projects...
[INFO]
[INFO] -------------------< MyCode.java >--------------------
...code runs fine...

This is great, but I need to run this same code fr ...

Score: -2
fuzzylowhand633 avatar
Ubuntu error when system powers on: Error: Pip not found
de flag

I'm getting this error when I start up my Ubuntu 20.04 system:

I have a mustache

How can I fix this?

Additional errors:

It is really big
Score: 1
Aleph_0 avatar
ddrescue used all space and now I cannot boot
sa flag

Good day y'all, I have Ubuntu 20.04 LTS. I was using GNU ddrescue to copy what can be copied from a failed disk to a brand new disk. The failed disk was mounted on /dev/sdb and the backup disk on /dev/sdc/. I used the following command:

sudo ddrescue -f -r3 /dev/sdb /dev/sdc mapfile

Then, I don't know what happened, but my my internal SSD, where I have a dualboot with Ubuntu and Windows, got completel ...

Score: 0
RTL8812AU driver listed in lsmod, but not working
ec flag

I have a TP-Link Archer T2U Plus USB WiFi adapter that has the Realtek RTL8821AU chipset. The driver isn't preinstalled on Ubuntu 20.04.3 (kernel 5.11.0-27-generic, if it is preinstalled on 21.10 or 20.04.4, please let me know and I will upgrade) so I had to manually install the driver. I found one in the universe (https://packages.ubuntu.com/focal/rtl8812au-dkms) that's made for the RTL8812AU, but i ...

Score: -1
Student Hacker avatar
update error when i tried to include kali linux repository in ubuntu this error happened , why so?
us flag
 W: Target CNF (contrib/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:58 and /etc/apt/sources.list.d/kali.list:1

# deb cdrom:[Ubuntu 20.04.4 LTS _Focal Fossa_ - Release amd64 (20220223)]/ focal main restricted

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://archive.ubuntu.com/ubuntu focal main restricted ...
Score: 0
Muhammad Afthabudheen ET avatar
low signal strength of bluetooth in ubuntu 20.04
br flag

I have installed Ubuntu 20.04 LTS in my presario CQ42. initially there is no problem in my laptop.when i reinstalled my ubuntu it is show the bluetooth problem with headsets.When bluetooth connects with headsets gets stuck with lot of disturbance. when i look into laptop the sound is clear.but when i turn my head it gets stuck and make lot of disturbance.how to fix it.

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