All Questions
417,235
questions
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Debian update-alternatives vs Red Hat alternatives
Since CentOS 7 is at its EOL, I am trying to migrate to Ubuntu. Many of our setups involve alternatives to be configured. In Ubuntu, there is no alternatives command but there is an update-...
- 101
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0
answers
7
views
MGLTools Segmentation Fault
I'm currently working as an intern for computational chemistry. One of the applications that we need is MGLTools which I installed using this website:
https://bioconda.github.io/recipes/mgltools/...
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votes
0
answers
7
views
installing DaVinci Resolve on Ubuntu Studio
tried installing missing packages in Ubuntu Studio but Resolve still says they are missing when I try and execute ???
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answers
7
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How can I access my root directory to save file in ```/etc/environment/``` [duplicate]
while setting up java-jkd-22,
I write the code sudo gedit /etc/environment/ in terminal,
after authentication,
I am getting this message
Authorization required, but no authorization protocol specified
...
0
votes
1
answer
19
views
How to match the --out-interface to the same --in-interface in iptables
The system have multiple interfaces: eth0, eth1, eth2, ... br0, br1, br2, ...etc.
The following rule will allow packets from "br0" to "br0":
iptables -A FORWARD -i br0 -o br0 -j ...
- 393
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votes
0
answers
18
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Is the fact that I have a ton of disc things in System Monitor > File Systems that all have either 90% or 100% bad?
many disc icons of varying filenames all with either 90% or 100% s
I tried opening Steam recently, but it said that I don't have 250MB to install an update. For some reason, I didn't believe it, but ...
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0
answers
13
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How to configure screenshot tool in ubuntu to snip area on mouse release?
I am trying to replicate the way windows snipping tool behaves on ubuntu 22.04
from my understanding, gnome-screenshot is ubuntu's default screenshotting tool.
When using the "selection" ...
- 121
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votes
0
answers
12
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Ardour not recording audio on Ubuntu 22.04.4
I use Ubuntu 22.04.4, with KDE Plasma or XFCE as a desktop environment, for all of my multimedia design needs. I regularly record, using Audacity, from a Snowball Blue microphone, and it works fine. ...
- 297
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votes
0
answers
15
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Why does adding -B build -DCMAKE_BUILD_TYPE=RelWithDebInfo cause a C compiler error in CMake?
I'm new to CMake and trying to build Instant-3D, but I encountered an error. I think this is not directly related to the Instant-3D project itself, but rather a CMake issue, so I'm asking for help ...
- 1
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votes
0
answers
6
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Losing print jobs
In 22.04, I used to bring up the printers app and disable the printer when it is off (I am in a home office and do not leave the printer on all the time, saves power). In 24.04, that feature is gone. ...
- 1
2
votes
1
answer
36
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Is there an image viewer for ubuntu that will read/apply xmp sidecars?
I tweaked a bunch of Jpeg images in Darktable, which offers non-destructive photo editing. I would like to view my images in a simpler program, like gthumb, but although gthumb says it can read xmp ...
- 575
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votes
0
answers
15
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What format to use for bootable usb for a mac?
I followed this tutorial https://ubuntu.com/tutorials/create-a-usb-stick-on-macos#1-overview. When I run ubuntu, or attempt to, it doesn't register the mac's mouse or keyboard. I had to get a pc ...
- 13
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0
answers
14
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Just made an updated machine unbootable - trying to remove wayland usage
Background:
I use VNC alot.
I VNC to a lot of my other machines (VNC viewer).
That is on THIS machine.
I want to try some new software and didn't want to do it on THIS machine.
I have another NUC (...
0
votes
1
answer
16
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Two separate session/user/{something}
New here, might be a repetition. Not even sure of correct tag. Thanks for bearing.
I have ubuntu LTS 24.04 LTS in my local machine. I want to have two separate {something} to solve my problem.
I am ...
1
vote
0
answers
15
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Blue tint after crash entire OS
It looks like my laptop crashed and restarted after open a tab in Chrome (i guess it is RAM excess) and suddenly all the colors look with a blue tinted, how can i fix it? I tried to restart, to be up-...
- 163
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votes
0
answers
17
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Ubuntu 24 Virtualbox 7 Guest - Display Issues
I did a fresh install of virtualbox and Ubuntu 24. I'm getting issues with 3d acceleration on and off. When it's on, everything runs really nicely, but system windows don't render properly (shown ...
- 101
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votes
0
answers
11
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How to create partition for QNX6fs?
I want to run RPI with QNX 7.1. I can boot RPI with 1 partition of type FAT32. It has QNX kernel and necessary configuration files. But I want to have 2nd partition of type qnx6fs for to mount root ...
- 373
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votes
0
answers
9
views
Citrix app is not starting libsoup2 symbols detected. Using libsoup2 and libsoup3 in the same process is not supported
libsoup2 symbols detected. Using libsoup2 and libsoup3 in the same process is not supported
I tried a lot but nothing is working your help is higly appreciated
- 1
0
votes
0
answers
29
views
Problem adaptador Graphics
I have Ubuntu 22.04 Desktop installed. This is the only OS I have installed
Then I get the error:
I changed the graphics adapter from "More drivers" but after restarting, I cannot change the ...
- 17
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0
answers
28
views
Is it "illegal" to attach and detach ubuntu-pro licenses for the security updates? [closed]
I need to keep my servers update with the security features from "esm-apps" and "esm-infra" those updates can only be achieved via the ubuntu-pro licensing. If i detach the license ...
0
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0
answers
21
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Trying to confirm what version my thinkstation will run
First time user and I want to see what version of Ubuntu my system will run.
I looked on the certified page and did not see my think station listed.
It is a Lenovo Thinkstation P510 with
32 GB ram,
...
- 1
0
votes
0
answers
27
views
"Disks" gnome-disk-utility - any way to add warnings for disk operations before they are implemented?
I might be asking for too much here.
I'd like to have warning messages pop up before I delete partitions or any other major disk operations using the disks utility. Is this possible?
- 11
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answers
22
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kubuntu 22.04 + nginx + apache2 + php = 'service apache2 restart' regularly necessary
kubuntu 22.04 + nginx + apache2 + php = 'service apache2 restart' regularly necessary.
i've already set a TimeOut value of 20 in /etc/apache2/apache2.conf, but not even that is getting used.. :(
EDIT :...
- 95
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0
answers
26
views
"Disks" gnome-disks-utility. Accidentally clicked the delete partition button, is it possible to undo?
I have a disk that is not the OS disk, just other data and files. If I accidentally clicked the delete partition button on the disks app, is there any way to undo that?
- 11
0
votes
0
answers
10
views
error: externally-managed-environment [duplicate]
sudo pip3 install InquirerPy
error: externally-managed-environment
× This environment is externally managed
╰─> To install Python packages system-wide, try apt install
python3-xyz, where xyz is the ...
1
vote
0
answers
22
views
Odd error with keyboard on Ubuntu 24.04
I have an odd bug with my keyboard deactivating at random moments and each push of a button activates several options on the page I am frozen rather than typing a letter.
When the bug happens while on ...
- 141
0
votes
0
answers
19
views
Grub menu advanced options entries are cut off
My default Kernel is not working anymore with my graphic hardware. But I can succeed with an older Kernel from advanced options. Unfortunately the entries for older Kernels all look the same, so I ...
0
votes
0
answers
32
views
Cannot establish HTTP connection with VPS although ufw is allowing outside traffic
Here is the output of sudo ufw status verbose
Status: active
Logging: on (low)
Default: deny (incoming), allow (outgoing), disabled (routed)
New profiles: skip
To Action ...
0
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0
answers
12
views
Ubutu 22.04 freezes after connecting Android Phone to USB
I have two Ubuntu 22.04 machines and one of them is freezing every time I connect an Android device (MTP and Android debug option are enabled since I'm android developer).
The system freezes even if I ...
- 101
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votes
0
answers
35
views
Lubuntu 24.04 boots to black screen
I've installed (by now even reinstalled) Lubuntu 24.04 and it boots pretty weirdly.
Most of the time it boots into a black screen only on very rare occasions it does not.
After looking around for a ...
- 1
0
votes
0
answers
18
views
Kernel panic - not syncing: VFS unable to mount root fs on unknown-block(0,0)
I'm experiencing a critical issue with my Ubuntu system and need some assistance. When I attempt to boot my system, I'm confronted with the following error message:
Potential solution attempted:
I've ...
0
votes
0
answers
15
views
Change shortcut to switch tab in nautilus/files?
In nautilus/files, I would like to change my shortcut to change tabs:
Switch to Previous Tab: Ctrl+Shift+Tab
Switch to Next Tab: Ctrl+Tab
Just like in every browser.
How can i do it?
thanks
Ubuntu 22....
- 891
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0
answers
48
views
Ubuntu 22.04.4 LTS error during boot
Every now and then since I installed Ubuntu 22.04.4 in a dual boot on my hp omen 15 laptop this screen appears during boot that does not let me proceed further and after waiting several minutes ...
- 11
-1
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0
answers
36
views
Getting lots of numbers and text while turning on! [closed]
I am getting lots of numbers and text error while turning on the my PC .
- 11
0
votes
0
answers
16
views
why try_attach every list entry in __register_sysctl_paths of sysctl.c#kernel code
i am reading the sysctl code about linux kernel 3.3.8
in function __register_sysctl_paths of sysctl.c
why call try_attach on every entry of the list,
what is the meaning of 'improvement' on "/* ...
- 1
0
votes
1
answer
33
views
Ubuntu 24.04 loses session after sleep/lock
Recently I did a fresh install of Ubuntu 24.04 on my Lenovo X1 Carbon gen 8. Before I had dual boot Ubuntu 23.10 and Win 10 but now I wiped the whole disk and did a clean Ubuntu only install. By ...
- 101
0
votes
0
answers
39
views
Media test failure / BootDevice not found right after installing
I just installed latest Ubuntu 24.04 from a live USB and right after rebooting my laptop (HP Elitebook 840) complains saying PXE-E61: Media test failure. It then says Boot Device Not Found. This ...
- 1
0
votes
0
answers
23
views
black screen after booting and i cant see login screen [duplicate]
Ubuntu version: fossa 20.04
I encountered a problem when booting Ubuntu. After seeing the line "/dev/nvme0n1p1 clean files, blocks", the screen goes blank and stays black. There's no error ...
-1
votes
0
answers
26
views
Build image issue in Ubuntu 20.04
SDK is provided by the vendor and it is OK to be rebuilt in Ubuntu 20.04 according to the vendor.
I tried to rebuild image on the same environment by vendor document and use the below three steps Step(...
- 1
0
votes
1
answer
25
views
Does the byteman package for Ubuntu not include the shell scripts needed to launch?
JBoss Byteman seems to get compiled down only to jars.
So, are the shell scripts (rather) needed to launch these in a convenient fashion not included by Ubuntu? (If that's the case I should file a RFE ...
2
votes
0
answers
23
views
How to make file upload picker start in last used directory?
The file upload picker used in Firefox/Brave/Chrome used to use the last directory you selected. But now it defaults to a "recent files" view.
I rarely need to upload recently modified files....
- 6,574
-3
votes
0
answers
25
views
On Uninstalling the Service and trying to install again failing with Message Service exist
I have uninstalled current version of software and tried to install older version to check an issue, I am getting "Service Already exists, please manually uninstall any previous installations or ...
-2
votes
1
answer
54
views
The time to enter a valid password in sudo is prohibitively short [duplicate]
I'm having a bizarre issue right now where in terminal (any terminal app does this) when entering sudo foo the time to enter my password is only about 2 or 3 seconds, which makes it nearly impossible ...
- 1
-1
votes
0
answers
19
views
Waydroid ABI error when installing APK
I bought a new laptop, installed Ubuntu 24.04, downloaded from apkmirror.com the APK's I want to use (including APKMirror Installer) to play games, copied these APK's to my home directory's .local/...
- 19
-1
votes
0
answers
22
views
Pi 4B cam port + ov5647 + ubuntu 22.04 64-bit for openCV 4.x
sudo rpicam-hello works, but not with openCV 4.x.
Can't receive frame (stream end?). Exiting ...
CV version = 4.9.0
$cat /boot/firmware/config.txt
camera_auto_detect=0
start_x=1
dtoverlay=ov5647
$ll /...
- 1
0
votes
0
answers
10
views
Crashing PC while running php artisan serve
I got crash on Ubuntu 22.04 while running php artisan ... commands.
When I run php artisan... like php artisan serve, I can't do anything on my pc event can't move mouse pointer. Help me please.
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votes
1
answer
31
views
How do you change application exec strings in Unity?
I've got a few programs that need to have --no-sandbox appended to their execution in the application drawer. How do I do this?
- 1,848
-1
votes
1
answer
29
views
powerline not working at ubuntu 24.04
My powerline is not showing properly. I'm seeing question marks at the prompt.
I've install these powerline and fonts-powerline and having this at my bashrc
if [ -f /usr/share/powerline/bindings/bash/...
- 1
-1
votes
1
answer
48
views
Is there an official source to know for each Ubuntu release what was the systemd version applied?
Is there an official resource where is available a complete list of all the Ubuntu releases but including the respective version of systemd applied for each one? I found this systemd/NEWS page where ...
- 1,882
-1
votes
1
answer
28
views
I need to install ethtool version 6.9 on to Ubuntu 20.04.1 . Is this possible?
Current ethtool version on this machine is 5.4. But need 6.9 due to a bug fix in its ability to advertise ethernet speeds and duplex settings. the 5.4 version simply rejects the number but a fix was ...
