Docker newbie here, I want to create a new image based on another image I pulled from Dockerhub which by itself works great but I wanted to add some tools to it. My Dockerfile is very small and it already fails: FROM aunsbjerg/docker-kinetis-design-studio RUN echo "hello world!" RUN apt-get update

I am trying to bluetooth in my laptop (HP installed with Ubuntu Studio 18.04). However, the blue-man assistant is showing a "no adaptors found" error message. This is the output of rfkill list 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no This is the output of lspci 00:00.0 Host bridge...

[![enter image description here][1]][1] this image is my issue [1]: https://i.stack.imgur.com/XB4UN.png

Everytime I enter a wrong sudo command, and I want to cancel the command I use Ctrl+C. On my previous Ubuntu 18 installation, it would cancel immediately and return to the prompt. On my Arch system, it prompts me again for my sudo password, so I have to press it twice every time for it to cancel ...

I need to know why those processes using so many CPU,is there any commands or tools to check? PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND ...

I have just installed Ubuntu 20.04 Focal Fossa. After the restart, I found a particular problem with the interface (see figure attached). I'm a beginner in the use of Ubuntu, I have managed to work with it using the tutorials in the community when I need to do or install something from terminal. ...

I tried the setup with 2 different version of Oracle Virtualbox on this host. VirtualBox-5.2.44-139111-OSX VirtualBox-6.1.14-OSX The ubuntu distro remains the same Ubuntu 20.04. Host is MacOS Mojave 0.14.6 However I'm getting the same result during the boot of guest its halting. Please find the...

This maybe a somewhat convoluted setup for a beginner to handle but currently I have two nginx instances running for the same domain: I setup a VM to run a specific bit of software separate from the main server and the main server runs an instance too (this is due to software running on 18.04). C...

This update has been plagued with issues for me. The GUI gives a similar error, but since the first run I've been using the CLI tool do-release-upgrade. The error When running the tool, things seem to be going fine until suddenly it crashes with the following: Calculating the changes Could not c...