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Building Selenium in Docker

Create Dockerfile

cat <<'eof' > Dockerfile
# Use an Ubuntu as a parent image
FROM ubuntu:22.04

# Set the shell

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Dockerfile for nbviewer

cat <<'eof' > /tmp/Dockerfile.nbviewer
FROM ubuntu:22.04

ARG DEBIAN_FRONTEND=noninteractive
RUN apt-get update && \
    apt-get install -y \
 curl \

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Using Terraform with Digital Ocean

Note: Still in draft form. Need to flesh out a bit.

From https://www.digitalocean.com/community/tutorials/how-to-use-terraform-with-digitalocean

Setup

On the Digital Ocean site:

1. Create and save a Digital Ocean token.

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Mirror the Albuquerque City or City data sites

# set site URL
## city website
site=www.cabq.gov/
url=https://"${site}"

## city data
site=data.cabq.gov/

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Running nushell in Docker

Discover latest version

elinks --dump https://github.com/nushell/nushell/releases |
grep -m1 -o https:.*x86_64-unknown-linux-gnu.tar.gz |
rev |
cut -d/ -f2 |
rev 

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Installing and running Homebrew under Ubuntu in Docker

Reference

https://docs.brew.sh/Homebrew-on-Linux

Create an image

<< 'eof' docker image build --tag homebrew -f- .

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Installing and running htmlq within Docker

See https://github.com/mgdm/htmlq

# define container name
dc_name=htmlq

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Installing Docker on Windows without Docker Desktop

WSL2 [1]

Newer versions of Windows

Open PowerShell with Admin rights and run wsl --install -d Ubuntu-24.04.

Older versions of Windows

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Digital Ocean cloud computing

Overview of steps

• Setup ( one time )
  • Create a DO account
  • Create a public/private SSH key
  • Add the key to your DO account
• Each time
  • Launch an instance configured with the public SSH key

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This function creates a sequential list of numbers then shuffles, removes one, and duplicates one into another list.

The challenge is to find the missing number and the duplicated number in the shuffled list.

Number list generator

number_list_generator () {
  # given an order of magnitude, set output file names
  local LC_ALL=C
 local oom=${1:-3}