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@adtac
adtac / Dockerfile
Last active July 24, 2024 14:11
#!/usr/bin/env docker run
#!/usr/bin/env -S bash -c "docker run -p 8080:8080 -it --rm \$(docker build --progress plain -f \$0 . 2>&1 | tee /dev/stderr | grep -oP 'sha256:[0-9a-f]*')"
# syntax = docker/dockerfile:1.4.0
FROM node:20
WORKDIR /root
RUN npm install sqlite3
@packerdl
packerdl / lxc_plex_intel_quicksync.md
Last active May 25, 2024 19:18
Intel QuickSync passthrough to an unprivileged LXC container running plex.

Running Plex in an Unprivileged LXC with Intel QuickSync Passthrough

First setup an unprivileged Ubuntu container with Plex Media Server installed. Inside the container take note of the id of the plex group.

# Your Plex group's ID may be different
$ getent group plex | cut -d : -f3
998
@nadavrot
nadavrot / Matrix.md
Last active July 29, 2024 00:58
Efficient matrix multiplication

High-Performance Matrix Multiplication

This is a short post that explains how to write a high-performance matrix multiplication program on modern processors. In this tutorial I will use a single core of the Skylake-client CPU with AVX2, but the principles in this post also apply to other processors with different instruction sets (such as AVX512).

Intro

Matrix multiplication is a mathematical operation that defines the product of

@MawKKe
MawKKe / cryptsetup-with-luks2-and-integrity-demo.sh
Last active July 2, 2024 01:28
dm-crypt + dm-integrity + dm-raid = awesome!
#!/usr/bin/env bash
#
# Author: Markus (MawKKe) ekkwam@gmail.com
# Date: 2018-03-19
#
#
# What?
#
# Linux dm-crypt + dm-integrity + dm-raid (RAID1)
#

MiniRacer https://github.com/discourse/mini_racer is ready for testing.

Can you help out measuring how it improves performance for rake assets:precompile in your app?

  • Run:
rm -fr public/assets
RAILS_ENV=production time bundle exec rake assets:precompile
@averyvery
averyvery / application.rb
Last active May 27, 2024 07:35
Inline CSS or JS in Rails
config.assets.precompile += [
# precompile any CSS or JS file that doesn't start with _
/(^inline[^_\/]|\/[^_])[^\/]*.(js|css)$/,
...
@lelandbatey
lelandbatey / whiteboardCleaner.md
Last active June 16, 2024 13:44
Whiteboard Picture Cleaner - Shell one-liner/script to clean up and beautify photos of whiteboards!

Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.

The script is here:

#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

Results

@mattconnolly
mattconnolly / gist:6435054
Created September 4, 2013 09:59
vagrant file for SmartOS
# -*- mode: ruby -*-
# vi: set ft=ruby :
# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"
Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
# All Vagrant configuration is done here. The most common configuration
# options are documented and commented below. For a complete reference,
# please see the online documentation at vagrantup.com.
@endolith
endolith / Has weird right-to-left characters.txt
Last active July 17, 2024 12:41
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