How to test the microphone on a laptop?
Everything here works so far -- in that, crucially, the sound plays back. How is the microphone itself tested? nicholas@gondor:~$ nicholas@gondor:~$ sudo ...
Published: Jul 19, 2026
convert images to pdf
I have saved multiple images from google books. I wanted to convert them to a single pdf file, where in I need some inputs. The below two images(one png a...
Published: Jul 19, 2026
Black Screen After Changing Screen Resolution on Ubuntu 19.04
I have a laptop with AMD Ryzen 2500u, Vega 8 graphics card. I installed Ubuntu 19.04 with GNOME. But my issue is that I can't change the screen resol...
Published: Jul 19, 2026
Copying SSH Key From Root To Another User On Same Machine
I am trying to create a server setup script. On initialization of the server, I add my ssh key which then gives me access to the root user via ssh. I now ...
Published: Jul 19, 2026
How to reset the terminal properties and preferences?
I fooled around with the colors and stuff, in the terminal, and now want to go back to the maroon and white default config of the the terminal. What files...
Published: Jul 19, 2026
& disown" and "nohup Differences between " & disown" and "nohup & disown"
This is my understanding about the usage of &, disown and nohup: <command>: runs the process within the Terminal's current bash instance, i...
Published: Jul 19, 2026
Wrong Webcam Driver
I have two Logitech C920 PRO HD webcams connected to my system via USB. However, one of these cameras displays the wrong name in the lsusb command output:...
Published: Jul 19, 2026
Error "401 Unauthorized" with apt install on Surface Book 2
I’m trying to set up my Surface Book 2 using Ubuntu 20.04. I first used following commands: wget -qO - https://raw.githubusercontent.com/linux-surface/lin...
Published: Jul 19, 2026
How to permanently save the content of /etc/resolv.conf
As I mentioned in the title, ctrl+s doesn't permanently save the content of that file, if I rebooted my machine I lost all the configuration I did in...
Published: Jul 19, 2026
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