Unanswered Questions
13,360 questions with no upvoted or accepted answers
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