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# Install docker
sudo apt update
sudo install -m 0755 -d /etc/apt/keyrings
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc
# Add the repository to Apt sources:
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

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#!/bin/bash
if [ "$(id -u)" != "0" ]; then
   echo "This script must be run as root" 1>&2
   exit 1
fi


CURRENT_USER=$(id -u -n)
CURRENT_GROUP=$(id -g -n)
CURRENT_USER_HOME=$(eval echo ~${SUDO_USER})

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#include <string.h>
#include <dlfcn.h>
#include <err.h>
#include <errno.h>
#include <sys/mman.h>

#define LIB_PATH "libc.so.6"

template <class RET, class... ARGV>
class LibHook {

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High Performance Redis

In response to this brief blog entry, @antirez tweeted for some documentation on high-performance techniques for Redis. What I present here are general high-performance computing (HPC) techniques. The examples are oriented to Redis. but they work well for any program designed to be single- or worker-threaded and asynchronous (e.g. uses epoll).

The motivation for using these techniques is to maximize performance of our system and services. By isolating work, controlling memory, and other tuning, you can achieve significant reduction in latency and increase in throughput.

My perspective comes from the microcosm of my own bare-metal (vs VM), on-premises deployment. It might not be suitable for all scenarios, especially cloud deployments, as I have little experience with HPC there. After some discussion, maybe this can be adapted as [redis.io documentation](https://redis.io/do

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Run:

• brew install gnupg gnupg2 pinentry-mac
• git config --global user.signingkey <key>
• git config --global commit.gpgsign true
• git config --global gpg.program gpg

Followed by:

• nano ~/.gnupg/gpg.conf

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{
    "title": "Vinpok Taptek (left shift patch)",
    "rules": [
        {
            "description": "Up arrow as it is if type alone, otherwise work as shift (Bluetooth)",
            "manipulators": [
                {
                    "type": "basic",
                    "from": {
                        "key_code": "up_arrow",

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#!/usr/bin/python
# -*- coding: UTF-8 -*-

import serial, time, struct

ser = serial.Serial()
ser.port = "/dev/cu.wchusbserial1410" # Set this to your serial port
ser.baudrate = 9600

ser.open()

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# -*- coding: utf-8 -*-
"""
Compiled, mashed and generally mutilated 2014-2015 by Denis Pleic
Made available under GNU GENERAL PUBLIC LICENSE

# Modified Python I2C library for Raspberry Pi
# as found on http://www.recantha.co.uk/blog/?p=4849
# Joined existing 'i2c_lib.py' and 'lcddriver.py' into a single library
# added bits and pieces from various sources
# By DenisFromHR (Denis Pleic)

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# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import os
from boto.route53 import connect_to_region
from boto.route53.record import ResourceRecordSets


def apply(domain, ip, ttl, region, access_key=None, secret_key=None):
    if access_key:
        os.environ.setdefault('AWS_ACCESS_KEY_ID', access_key)

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<link rel="import" href="{{ STATIC_URL }}vendor/polymer/polymer.html">
<link rel="import" href="{{ STATIC_URL }}vendor/core-ajax/core-ajax.html">

<polymer-element name="django-ajax" extends="core-ajax">
    <script>
        Polymer({
            ready: function() {
                this.super();
                this.headers = {
                    "X-CSRFToken": {{ csrf_token }},