Docker, debian (ubuntu, kali etc)

1.  Add the GPG key for the official Docker repository to the system

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

2. Add the Docker repository to APT sources:

sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"

3. update the package database with the Docker packages from the newly added repo:

sudo apt-get update

4. Make sure you are about to install from the Docker repo instead of the default Ubuntu 16.04 repo

apt-cache policy docker-ce

5. Ensure the version table has all docker.com sources.

  Candidate: 17.12.1~ce-0~ubuntu
  Version table:
     17.12.1~ce-0~ubuntu 500
        500 https://download.docker.com/linux/ubuntu xenial/stable amd64 Packages
     17.12.0~ce-0~ubuntu 500

6. Install Docker

sudo apt-get install -y docker-ce

7. Check to ensure  Docker is running

sudo systemctl status docker

docker.service - Docker Application Container Engine
   Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
   Active: active (running) since Sun 2016-05-01 06:53:52 CDT; 1 weeks 3 days ago
     Docs: https://docs.docker.com

References:
1. https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-on-ubuntu-16-04

Muri, Mura, and Muda

Muri (むり), Mura(むら), and Muda(むだ) are terms I learned in Karate but can apply to everything in life.

むり Muri: Overdoing it. Risk of excessive effort or power.


むら Mura: Inconsistency. Risk of inconsistency of performance


むだ Muda: Pointlessness. Risk of wasted effort.

If I was to look at this from an Engineering point of view I would call it: Over-engineered, Buggy, and technical debt. As we gain experience in anything, being a physical skill, or a technical skill we must strive toward efficiency or economy of effort, movement, and energy expended. In that way, we can last longer, deliver more, and deliver better quality.

Win10 Host, Virtualbox, Kali Guest, and Virtualbox Guest Additions Foo REDUX

Here are some additional, perhaps easier notes when attempting to have a kali guest in virtualbox with a adjustable screen size. Note this is required whenever you do a new install or have a kernel upgrade.

sudo apt-get install virtualbox-guest-additions-iso
sudo apt-get install virtualbox-guest-utils
dpkg-reconfigure virtualbox-guest-dkms

Then reboot.

References:

1. https://askubuntu.com/questions/452979/resolution-doesnt-change-when-resizing-virtualbox-window
2. https://askubuntu.com/questions/555264/ubuntu-server-terminal-doesnt-resize-screen-in-virtualbox?noredirect=1&lq=1