w0rldart

version: '3.1'

services:

  db:
    image: mariadb
    restart: always
    command: mysqld --character-set-server=utf8 --collation-server=utf8_unicode_ci --init-connect='SET NAMES UTF8;' --innodb-flush-log-at-trx-commit=0
    ports:
      - 3306:3306

w0rldart

Compilation of useful AWS CLI commands that I accumulate over time

Don't forget to export AWS_DEFAULT_PROFILE=MyMagicalAWSProfile :)

w0rldart

Reading material

• http://cr.yp.to/syncookies.html

• https://www.frozentux.net/ipsysctl-tutorial/ipsysctl-tutorial.html#AEN234

• https://voipmagazine.wordpress.com/tag/tcp_max_syn_backlog/

• https://vincent.bernat.im/en/blog/2014-tcp-time-wait-state-linux

• http://blog.haproxy.com/2012/12/12/haproxy-high-mysql-request-rate-and-tcp-source-port-exhaustion/

w0rldart

version: '2'

services:
    traefik:
        image: traefik
        container_name: "traefik_site"
        command: --web --docker --docker.domain=docker.localhost --logLevel=DEBUG
        ports:
            - "80:80"
            - "8080:8080"

w0rldart

#!/bin/sh

###
## Virtual box options
###
export VIRTUALBOX_CPU_COUNT='1'
export VIRTUALBOX_DISK_SIZE='10000'
export VIRTUALBOX_MEMORY_SIZE='512'

swarm_workers=2

w0rldart

#System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

##Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

w0rldart

for dir in `ls -d */`; do BASE_PATH=`pwd`; DIR_PATH=$BASE_PATH/$dir; cd $DIR_PATH; git pull; cd ../ ; done

w0rldart

#!/bin/sh

##
## Bash install script for mongo 3.2 for Ubuntu 15.04, because of
## the replacement of upstart with systemd
##
## - AUTHOR:  Alexandru Budurovici <https://w0rldart.com>
## - VERSION: 1.0
##

w0rldart

/**
 * Convert ISO 8601 values like PT15M33S
 * to a total value of seconds.
 * 
 * @param string $ISO8601
 */
function ISO8601ToSeconds($ISO8601)
{
    preg_match('/\d{1,2}[H]/', $ISO8601, $hours);
    preg_match('/\d{1,2}[M]/', $ISO8601, $minutes);

w0rldart

--
-- Database: `logs`
--
DROP DATABASE `logs`;
CREATE DATABASE `logs` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
USE `logs`;

-- --------------------------------------------------------