dkam

From GitHub

#You must specify where to find CA certs for ruby to use them.

create /tmp/cert.pem containing puma-dev CA and all default CAs

cat $(ruby -e "require 'net/http'; puts OpenSSL::X509::DEFAULT_CERT_FILE") "${HOME}/Library/Application Support/io.puma.dev/cert.pem" > /tmp/cert.pem

configure Net::HTTP to use the CA bundle including puma-dev's CA

require 'open-uri'
require 'net/http'

dkam

mc anonymous set download myalias/mybucket

dkam

Key Value stores

• Redis
• Valkey - Redis fork / Linux Foundation + AWS, Google, Oracle
• Redict - Redis fork
• Redka - SQLite backed
• Garnet - in memory / .net
• DragonFly
• Memcached

Use Cases

dkam

#!/usr/bin/env ruby

require 'open3'
require 'tempfile'

##
# Create a single m4b file from multiple mp3 files.
# Finds all *.mp3 files, merges them, in lexigraphical order, creates chapters based on the mp3 files, adds cover.jpg as a cover

## Todo

dkam

## Checking files in your bucket are referenced by ActiveStorage

require 'aws-sdk-s3'

s3_client = Aws::S3::Client.new( 
  region: "us-east-1",
  access_key_id: Rails.application.credentials.dig(Rails.env, :s3, :access_key_id),
  secret_access_key: Rails.application.credentials.dig(Rails.env, :s3, :secret_access_key),
  endpoint: "https://myendpoint.com",
  force_path_style: true

dkam

ffmpeg -i input.mp3 -c:a aac -b:a 192k -vn output.m4a && mv output.m4a output.m4r

# -i input.mp4: Specifies the input video file (replace with your input file path).
# -vn: Tells FFmpeg to ignore the video stream.
# -c:a aac: Sets the audio codec to AAC.
# -b:a 192k: Sets the audio bitrate to 192 kbps (adjust as needed).
# output.m4a: Specifies the output M4A file.

dkam

#!/usr/bin/env ruby

require 'bundler/inline'

#gemfile do
#  source 'https://rubygems.org'
#  gem 'zip'
#  gem 'nokogiri'
#  gem 'tty-prompt'
#  gem 'debug'

dkam

def zzz
  t = `pbpaste`
  `echo "#{t.split.map {|t| t.tr(',', '') }.join(', ')}" | pbcopy`
end
 

dkam

Shink the volume of a Proxmox LXC container

From the Proxmox Forum

List the containers:

pct list

Stop the particular container you want to resize:

pct stop 999

Find out it's path on the node:

dkam

#...
WORKDIR /rails
#...

# https://github.com/libjxl/libjxl/blob/main/BUILDING.md
FROM base as buildjxl
ENV CC=clang
ENV CXX=clang++
RUN apt-get update -qq && \
    apt-get install --no-install-recommends -y git cmake pkg-config libbrotli-dev libgif-dev libjpeg-dev libopenexr-dev libpng-dev libwebp-dev clang make build-essential && \