leogallego

## Install necessary packages and latest virtualbox
wget -q -O - http://download.virtualbox.org/virtualbox/debian/oracle_vbox_2016.asc | sudo apt-key add -
sudo sh -c 'echo "deb [arch=amd64] http://download.virtualbox.org/virtualbox/debian bionic non-free contrib" >> /etc/apt/sources.list.d/virtualbox.org.list' 
sudo apt update
sudo apt install virtualbox-5.2 qemu-utils genisoimage cloud-utils

## get kvm unloaded so virtualbox can load
## WARNING: not needed?
#sudo modprobe -r kvm_amd kvm_intel
#sudo service virtualbox stop

pierrejoubert73

How to add a collapsible section in markdown

1. Example

Click me

Heading

1. Foo
2. Bar
   • Baz

• Qux

bastman

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm