Latest Ubuntu related questions

Score: 0
faustoo avatar
HDMI to USB-C doesn't work
tn flag

Recently I bought an adapter to connect my USB devices and HDMI via USB-C to my laptop (with Thunderbolt). In Windows, HDMI works correctly and I can use the display normally via the adapter, but in Ubuntu I cannot make another display appear when connected via this adapter.

Is there any solution to this? I should say that if I connected the display via HDMI from the laptop then it works normally ...

Score: 2
gokberk avatar
Recover redirected folder
cn flag

I have redirected my /var/cache/apt folder to /media/anotherdisk/DATA/apt, so that apt file looks like this now: apt -> /media/anotherdisk/DATA/apt. I would like to undo this, but not sure how to do it. Sorry for the naive question, thanks in advance.

Score: 0
JORDI ANTONI CUESTA ANDREA avatar
CUPS lp command fails with "stopped - Filter failed" with all the printers
in flag

My CUPS runs well from applications like gedit, Open Office or GIMP, but using command line fails. Example:

lp -d MFCJ470DW adeu.txt
request identifier is MFCJ470DW-40 (1 file (s))

Then, in localhost:631 -> Jobs we can see:

MFCJ470DW-40    adeu.txt    jordi   1k  Unknown     stopped 
"Filter failed"

Also I tried with CUPS-PDF package with the same results

lp -d Virtual_PDF_Printer_2 adeu.tx ...
Score: 0
S.O can no longer connect to the graphical daemon: "XDM Crashed"
de flag

I have recently updated the BIOS on my Supermicro X11SPL-F motherboard from version 3.2 to 3.3 and I'm now getting the following error..

The s.o can no longer connect with the graphical daemon "XDM Crashed".

I can connect to the node in SSH but the operative system shows the process XDM in status “crashed”.

I tried to boot another Linux OS (Ubuntu) from CD and the output is only available on the on ...

Score: 0
Keyshav Mor avatar
Capturing login data input by user while logging onto Linux
cn flag

I am trying to work on this user authentication problem where user enters the login data upon Linux boot, but the authentication takes place through a different connected device for security purposes and upon authentication the user is logged in.

Without getting into details of how the authentication works (it is already implemented and so is the communication between the Linux device and the oth ...

Score: 2
tvs avatar
Is it possible to use WPA3 with netplan?
tr flag
tvs

I'm using Ubuntu 20.04.3 LTS and can't connect the wifi using WPA3; I've tried this in /etc/netplan/01-network.yaml:

network:
  version: 2
  renderer: networkd
  wifis:
    wlan0:
      dhcp4: true
      access-points:
        "MYSID":
          password: "mypassword123"

It works ok if I setup the router to use WPA2 authentication, but if I set it to WPA3 it fails. What should I do in order to make this  ...

Score: 0
Matthew Dykstra avatar
KDE Desktop Settings Won't Save & Logout screen
vn flag

I am having a huge issue with Kubuntu KDE Plasma Desktop:

  1. Every time I reboot my settings like icon location and wallpaper don't save.
  2. After Installing I Updated all the files and Lost the Logout screen that allows me to log out, reboot, etc.

How do I fix these issues so I don't have to keep resetting my desktop settings and get my logout/restart screen back?

Score: 0
marcobowlos avatar
Script to Adjust Power to GPUs on Startup won't Run Automatically
cn flag

I've been trying to simplify the process of restarting my Ether mining rigs so I don't have to set up the terminal and manually clock each GPU.

I wrote a script to run in systemd. The text of the .sh and the .service files will be below.

The .sh consists of two parts. The first clocks each of the nine cards then the second runs the mining application.

On startup, the first part of the script doesn't ru ...

Score: 0
Python3 Help Modules always returns Traceback error "AttributeError: 'NoneType' object has no attribute 'loader'"
ph flag

Python 3.8.10 Ubuntu 20.04.3 LTS

I was getting an error saying module not found when importing unasync. Decided to go to python and access help() and then modules which displays a list of all available modules and confirms that unasync was available.

I then tried the "modules unasync" and received the following output

help> modules unasync

Here is a list of modules whose name or summary contains 'un ...
Score: 0
Problem Getting Nvidia drivers to work on Dell Laptop 16 Plus RTX 3060 Ubuntu 21.10
in flag

When I switch to nvidia-driver* I get black screen of death for splash page.

xserver-xorg-video-nouveau works, but only because it is falling back to Intel

$ glxinfo | grep Device Device: Mesa Intel(R) UHD Graphics (TGL GT1) (0x9a60) $ grep CMDLINE_LINUX_DEFAULT /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nvidia-drm.modeset=1 i915.enable_psr=0 pci=noaer" From .local/share/xorg/Xorg.1.lo ...

Score: 0
Krishna avatar
systemd: Failed to start Sound Service
cn flag

Once in a while, when I resume after suspending or restart the laptop, there are some issues with sound.

Under Sound tab in Settings, everything remains faded.

here's the output of sudo cat /var/log/syslog | grep -a "Nov 2" | grep -i -E "sound|audio"

Nov  2 17:49:42 321go systemd[1820]: pulseaudio.service: State 'final-sigterm' timed out. Killing.
Nov  2 17:49:42 321go systemd[1820]: pulseaudio. ...
Score: 0
Sohail avatar
Error in make command in installing Rasqal RDF Query Library
in flag

Installing Rasqal RDF Query Library, extracted the package in Documents. The ./configure command:

(base) sohail@muhammad-sohail:~/Documents/rasqal$ ./configure
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a race-free mkdir -p... /usr/bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whe ...
Score: 0
Naftali Tsitverblit avatar
The default folder for a bookmarked page
ve flag

My ubuntu 18.04 has usually stored a bookmarked page automatically to the ''Other bookmarks'' folder, but now it goes to another folder. What did I do wrong and how can I change this back to the ''Other bookmarks'' folder.

Score: 0
Mike Kordosky avatar
Cannot boot ubuntu 20.04 LTS after 5.4.0-89-generic and -88-generic updates
in flag

Dell precision 7520, dual boot, Windows still works fine, secure boot off, can access grub menu and bios. Updated the kernel and nvidia drivers yesterday. System freezes in both normal and recovery boot modes. In recovery mode the freeze happens almost immediately. The screen looks a bit corrupted, with some of the boot progress messaging in echelon across the screen. I can’t access any of the menu it ...

Score: 0
Sravya Kancherla avatar
sshpass command
bo flag

I am using sshpass command to pass the password where we have created script based on below command

echo "************** Checking Keys Exchange For Database Server *************"

status=$(ssh -o BatchMode=yes -o ConnectTimeout=5 $Username@$IP echo ok 2>&1) --- output is ok if already exchanged and permissioned denied if keys not exchanged

    echo KYES ARE NOT EXCHANGED FOR DATABASE SERVER, PLEASE ...

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