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Unanswered Questions

5,704 questions with no 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 ...
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 ...
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}"; "${distro_id}:${...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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) ...
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 ...
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 ...
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 ...
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 ...
6 votes
0 answers
538 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 ...

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