allen-munsch

sudo yum install update
sudo yum groupinstall -y "Development Tools"
sudo yum install -y python-devel libpng-devel freetype-devel gcc72-c++

If you want to use docker, you can use the following command:

 docker run -it lambci/lambda:build-python3.7 bash

allen-munsch

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

allen-munsch

import math
import numpy
import numpy.random as nrand

"""
Note - for some of the metrics the absolute value is returns. This is because if the risk (loss) is higher we want to
discount the expected excess return from the portfolio by a higher amount. Therefore risk should be positive.
"""

allen-munsch

from multiprocessing import Pool as MPool
from time import sleep
import datetime
import multiprocessing
import random

def time_request():
    from gevent import monkey; monkey.patch_socket
    from jsonrequester import JsonRequester

allen-munsch

How to setup your own CA with OpenSSL

For educational reasons I've decided to create my own CA. Here is what I learned.

First things first

Lets get some context first.