Unanswered Questions
13,360 questions with no upvoted or accepted answers
12
votes
0
answers
8k
views
Slack app crashes Ubuntu desktop
I am using the Slack app on Ubuntu 22.04. I find that if I right click and paste the app stops running immediately. Otherwise, at random times I lose all USB input and the screen goes black for about ...
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12
votes
1
answer
6k
views
Sierra Wireless AirCard 313U (AT&T Momentum 4G) on Ubuntu Linux
I'm trying to get a Sierra Wireless AirCard 313U (more specifically, the AT&T Momentum 4G) working under Ubuntu Linux.
I've looked at a number of pages so far:
How to connect internet using AT&...
CommunityBot
- 1
11
votes
2
answers
5k
views
Verizon USB551L 4G Stick on Linux
I have been trying to get a Verizon USB551L 4G USB Stick working on Debian Linux. I have been able to get it to connect, but it always disconnects after 10 secs to 2.5 minutes, then it cannot connect ...
- 3,667
10
votes
1
answer
12k
views
How to tell what HDMI version my system supports - Ubuntu Linux (10.10)
Looking to see if the HDMI output of my machine (with an nVIDIA GeForce 460M card) is HDMI 1.3 compatible or not. Not sure what the command is to tell that.
Thanks in advance!
- 285
9
votes
0
answers
4k
views
jenkins:Broken AVD system path. Check your ANDROID_SDK_ROOT value
I have docker-image of jenkins.
Home directory of jenkins is: /var/jenkins_home wich mapped to /home/user
So, i install android-sdk wich mapped to:
/home/user/tools/android-sdk/
When i install ...
- 191
9
votes
1
answer
15k
views
wifi p2p between ubuntu 14.04 and android
I attempted to make a wifi p2p connection between Ubuntu 14.04(kernel 3.13) and Android 4.4 Kitkat(Samsung Galaxy Note 2)
In Ubuntu
I use wpa_supplicant v2.1 which is built in to Ubuntu 14.04(/sbin/...
CommunityBot
- 1
9
votes
1
answer
4k
views
Is Xfce supposed to run slowly on Virtualbox?
I'm having problems getting Xfce systems on VirtualBox to run smoothly. What I mean by slow is that moving or resizing windows looks very "laggy" (basically just windows jumping from one ...
CommunityBot
- 1
9
votes
2
answers
4k
views
Cannot make mobile broadband Vodafone USB connection Ubuntu 13.04
I have Ubuntu 13.04 and I bought yesterday a Vodafone USB stick for internet connection. I am located in Romania.
This is what I've did:
First Thing
Network Connections, added connection.
Selected ...
CommunityBot
- 1
9
votes
5
answers
7k
views
After plugging in a USB device, Win7 severely slows. What causes this and how could it be fixed?
This is the second PC undergoing this condition, both running Win7. On PC1 a Logitech device was connected through USB before installing it's branded driver (allowing windows to auto-install it), and ...
CommunityBot
- 1
8
votes
0
answers
2k
views
Ubuntu unattended upgrades stops Docker
This is my current 50-unattended-upgrades file:
Unattended-Upgrade::Automatic-Reboot "false";
Unattended-Upgrade::Allowed-Origins {
"${distro_id}:${distro_codename}";
"${distro_id}:${...
- 81
8
votes
0
answers
14k
views
How to utilize all cores on high-end CPUs using ffmpeg
I have a high-end HPE ProLiant DL325 G10 server with an AMD EPYC 7401P 24-core/48-thread CPU, 128GB DDR4 RAM, and a Intel P4800x PCIe NVMe. I tried to run ffmpeg to convert a video (MKV) to MP4 for ...
- 81
8
votes
0
answers
3k
views
HTOP shows massive memory usage but proceslist shows otherwise
I'm running htop on my Ubuntu 16.04LTS server to monitor my CPU and RAM usage. I'm aware of the color indications used by htop as outlined below:
So, when I look at my htop-overview, it shows me the ...
8
votes
2
answers
3k
views
Why don't device and app sound mixers match?
My question is specified in the title, to be more exact I would like to show this particular screenshot of the sound mixer:
As you can see here, the volume of the IE reached the maximum level, but ...
- 21
8
votes
3
answers
7k
views
Google chrome logs out from every webpage after system user has logged out
Every time I log into my account I have to again, and again, and again log into every webpage I'm using, because Google Chrome logs me out of everything I am logged in to. However, some cookies do ...
CommunityBot
- 1
8
votes
1
answer
3k
views
Samba execute permission is always set
I have a Ubuntu 14.04 server that exposes a samba share to Windows machine.
When I connect to the share and create files with notepad, permissions are respected and files don't become executable. ...
- 406
8
votes
1
answer
5k
views
Windows 8.1 Does not Detect Bluetooth Headset
I have the Motorola S11 Flex HD wireless Bluetooth headset which I have had connected to a Windows 8.1 Pro x64 machine with an Intel Dual Band Wireless-AC 7260 + Bluetooth for Desktop card. This ...
CommunityBot
- 1
8
votes
1
answer
1k
views
Keys interpreted by host computer (TeamViewer on Ubuntu)
What I want to do: I am trying to remotely control another Windows 8 x64 computer using the latest version of TeamViewer on Ubuntu 13.10 x64. I installed the latest 32-bit version DEB of TeamViewer ...
- 11.4k
8
votes
1
answer
16k
views
How can I swap the usage of the 'fn' key for my Razer Blackwidow on OSX?
I just bought the Razer Blackwidow 2013 keyboard, and after installing drivers (Synapse 2.0) I run into a strange issue:
My function keys started to work very strange. They started to use their "...
CommunityBot
- 1
7
votes
0
answers
14k
views
netplan configuration not active -- ubuntu 18.04
trying to set up a fixed IP address on one of two NIC. I try using netplan. Not working at all.
Not an expert on this, I am out of my wits and ready to roll back to some other way (networkd). Maybe ...
- 171
7
votes
1
answer
2k
views
Why is Task Manager using my USB drive?
After using the answers to this question: Can Windows tell me what is using my USB drive?, I found from Event Viewer that Task Manager was using the drive:
The application \Device\HarddiskVolume5\...
- 454
7
votes
0
answers
6k
views
Debian/Ubuntu preseed generator?
All of these questions are related to the preseed support in the Debian
Installer: https://wiki.debian.org/DebianInstaller/Preseed
Is there a means, perhaps a .ubeb Debian-Installer extension, by ...
- 11
7
votes
0
answers
12k
views
How to increase the scrolling speed in Google Chrome without using a plugin on Ubuntu?
I am using Google Chrome on Ubuntu but Ubuntu does not provide any setting for setting the scrolling speed. I know there is a plugin for solving this, Chromium Wheel Smooth Scroller. However, its ...
- 173
7
votes
0
answers
12k
views
How to see detailed log of nVidia driver crash on Windows?
While doing GPU-intensive parallel processing, nVidia driver apparently crashed. Only information in Windows Event log is the following:
The description for Event ID 1 from source NVIDIA OpenGL ...
- 1
7
votes
0
answers
1k
views
Is there a way of scripting the "Roll Back Driver" feature of Window's Device Manager?
I need to roll back my graphic cards drivers once in a while(It's a long story.) and I have tried scripts using devmanview which worked great for disabling and enabling my drivers(and uninstalling it) ...
- 65.3k
7
votes
1
answer
1k
views
USBProber replacement in El Capitan
There used to be a useful utility called USBProber for OS X, but I can no longer locate it. I am assuming it has been replaced by another utility, but I am not sure what Apple replaced it with or ...
CommunityBot
- 1
7
votes
1
answer
3k
views
Best way to share guest folder with host computer
I am running a Ubuntu VM on my MacOS X (host) using VMWare Fusion. I have found a lot of information about sharing the host partition with the guest VM but not much on sharing the guest folder/...
- 101
7
votes
1
answer
405
views
locked Ubuntu screen - apps do not detect locked status
I use Ubuntu 12.10 (happens also in 14.04) but I did not really like Unity GUI because of performance issues and total inability to easily customize launcher. So I switched to Xubuntu, which is much ...
- 1
6
votes
0
answers
2k
views
Telnet connect to localhost failed on windows subsystem WSL2 Ubuntu
I'm using Windows Subsystem (WSL2) Ubuntu 20.04, trying to run command telnet localhost 2181, but only got error message saying
telnet: Unable to connect to remote host: Connection refused
Tried the ...
- 161
6
votes
0
answers
3k
views
How to debug tick_sched_timer high power usage?
My tick_sched_timer is using a lot of power, this is the output of powertop:
The battery reports a discharge rate of 24.7 W
The power consumed was 516 J
The estimated remaining time is 3 ...
- 161
6
votes
1
answer
2k
views
Windows 10 audio fades out
I'm having an issue with Windows 10 audio: when listening to something/watching a movie the audio automatically fades out and drops to a lower volume. To be clear, the volume indication in Windows ...
- 13
6
votes
1
answer
537
views
How can I tell whether my USB C cable is a USB 3.1 cable, a passive Thunderbolt 3 cable, or an active Thunderbolt 3 cable?
I have two Thunderbolt 3 devices that each came with their own Thunderbolt 3 cable, plus another USB-C cable that I'm not sure what its capabilities are.
Is there any way I can determine whether the ...
- 866
6
votes
0
answers
3k
views
How to get dhclient and/or NetworkManager to remove old client lease files?
My company produces IoT devices attached via USB, which contain a cell modem module, which contains a DHCP server. We have a production testing server running Ubuntu 14.04 and another server running ...
- 353
6
votes
0
answers
923
views
Want unchanged HDMI output when lid closed (Linux)
My question is similar to a couple of other questions except I need a Linux/Ubuntu solution.
When I plug a HDMI cable into my laptop, I automatically get a second desktop on the second screen. This ...
CommunityBot
- 1
6
votes
1
answer
3k
views
KDE 5 panel doesn't show pager widget although I've added it (twice)
I've clicked Add Widgets in the panel context menu, and the "pager" widget there shows the number "2" in the corner (it was 1 before). Which I think means the number of pagers I have. But there is a ...
6
votes
0
answers
540
views
Removing stale xrandr entries
I recently switched video cards under Kubuntu 16.04.1 LTS and the xrandr command has cached many of the old settings.
$ xrandr | grep "connected"
DVI-D-0 disconnected (normal left inverted right x ...
- 101
6
votes
1
answer
1k
views
Can't scroll back after cat with mosh, tmux and iterm2 setup
My setup is the following: https://filippo.io/my-remote-shell-session-setup
When I do apt-get update on my server I can see all the output and am also able to scroll back as I expect. When I do cat ...
- 173
6
votes
2
answers
3k
views
Alternative synaptics touchpad driver for windows 7
I have hp pavillion dv6 laptop(Windows 7) with a synaptics touchpad . The gestures like two finger scroll doesn't work automatically after I disabled a startup service or something. (I dont remember ...
CommunityBot
- 1
6
votes
1
answer
3k
views
How to connect to Linux USB serial gadget using Mac OS X?
I have an embedded device, on which I use the USB gadget USB interface to either make it available as a mass storage device, or enable access over USB serial using the g_serial module.
While I can ...
CommunityBot
- 1
6
votes
1
answer
765
views
CPU Whine with USB mouse inserted while on battery
I have a Lenovo Thinkpad Edge E520 that emits a high pitched whine from the top lefthand area of the keyboard when a 2.4ghz wireless USB mouse is inserted. The sound is a lot louder while on battery ...
- 464
6
votes
0
answers
610
views
arrow keys not working in Java application when using xmodmap
I've defined my keyboard mapping using xmodmap and it works beautifully with my browser and the rest of my software except java applications.
I tried switching the AWT_TOOLKIT to Mtoolkit instead but ...
- 652
6
votes
1
answer
1k
views
Is shred single pass less secure than srm?
i compared shred -n 1 -v --random-source=/dev/zero file.txt and srm -llvzd file.txt on 16gb file on hdd. ubuntu 14.04. both commands do single pass with zeros.
'srm' needed more than whole night ...
- 7
6
votes
1
answer
3k
views
bash autocompletion is slow, freezing my desktop
sometimes when working with a custom kernel, pressing tab in the bash autocompletes at a horrible pace. It freezes the whole desktop. Then comes back after awhile.
This is the only quirk that I've ...
- 1
5
votes
0
answers
493
views
`snap list --all` does not show everyting in /var/lib/snapd/snaps
I have lots of old snaps in /var/libd/snaps
#> ls /var/lib/snapd/snaps | sort
bare_5.snap
chromium_2556.snap
chromium_2642.snap
core_16091.snap
core18_2790.snap
core20_2015.snap
core22_864.snap
...
- 1
5
votes
1
answer
3k
views
GPG Error on APT-GET docker container (Ubuntu 22.04)
I am trying to just apt-get update on a ubuntu:22.04 docker container. On my local machine, when I spin up a new ubuntu:22.04 docker container and run apt-get update, no error occurs. However, on my ...
- 1
5
votes
0
answers
1k
views
Installing two different Nvidia drivers at the same time
I have a GTX1070ti for which the latest driver is 527.37.
I bought a NVS 310 for which the latest driver is 392.68.
I would like to use both cards simultaneously for different monitors. However, when ...
- 2,589
5
votes
2
answers
8k
views
Ubuntu VM hangs in VirtualBox under Window 10: "watchdog BUG: soft lockup - CPU#0 stuck for 23s"
This is Windows 10 with VirtualBox installed and Ubuntu virtual machine with Apache server.
Often CPU hangs on the Ubuntu virtual machine, taking up to 50% host CPU usage with no response at all, when ...
CommunityBot
- 1
5
votes
2
answers
8k
views
Trying to ssh into IPv6 address, getting "no route to host"
I have a home computer that uses Ubuntu 22.04, that I'd likely to remotely SSH into, from the internet. I'm trying to do this through its public IPv6 address. The address doesn't begin with fe80::, so ...
CommunityBot
- 1
5
votes
0
answers
339
views
Ctrl+F (find) is not working as expected on certain websites in Firefox
I'm (now) using Firefox 89.0 (64-bit) for Ubuntu, but this issue has existed for a long time when using Firefox on Ubuntu.
I'm having an issue with Ctrl+F (the find feature) in Firefox. Mostly it ...
- 8,477
5
votes
0
answers
6k
views
GRUB boot detection failed
I updated my image to ubuntu 20.04 from 16.04 and as a part of it upgraded grub to grub2. From the syslog, I am observing the following errors:
Oct 19 10:30:10 host-1 systemd[1]: Starting GRUB failed ...
5
votes
0
answers
1k
views
How to disable Ctrl+Shift+U in Ubuntu 20.04?
ctrl+shift+u is a change case, to set lowercase, but it conflicts with annother command, that produces a underlined ''u'', which produces an emoji when combined with a number.
It annoyed me so much ...
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