Riebart

function pb_notify {
    start=`date +%s%N`
    "$@"
    end=`date +%s%N`
    start_ms=`echo $start | head -c 13`
    end_ms=`echo $end | head -c 13`
    dt_ms=$[(end_ms-start_ms)]
    if which bc >/dev/null 2>&1
    then
        dt=`echo "scale=3;$dt_ms/1000.0" | bc`

Riebart

#!/usr/bin/env python
"""
Given a list of IP addresses (or IP address ranges), one per line (with ranges given as "IP1-IP2"),
return a list of IP address ranges that represent the smallest possible list of IP address ranges
that does not contain any addresses not represented in the input list.

Only supports IPv4.
"""

import sys

Riebart

Keybase proof

I hereby claim:

• I am Riebart on github.
• I am riebart (https://keybase.io/riebart) on keybase.
• I have a public key whose fingerprint is 277C D4E5 2742 A486 CAB0 C857 98B6 9479 9B76 0FBE

To claim this, I am signing this object:

Riebart

from random import random

def accumulate(iterator):
    total = 0
    for item in iterator:
        total += item
        yield total

# Generate a list of a bunch of values with random offsets so we can bucket them.
# Only step at most 10ms per 'packet', because we want a representative sample size.

Riebart

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Classes\*\shell]

[HKEY_CURRENT_USER\Software\Classes\*\shell\VSCode]
@="Open with Code"
"Icon"=hex(2):43,00,3a,00,5c,00,50,00,72,00,6f,00,67,00,72,00,61,00,6d,00,20,\
  00,46,00,69,00,6c,00,65,00,73,00,5c,00,4d,00,69,00,63,00,72,00,6f,00,73,00,\
  6f,00,66,00,74,00,20,00,56,00,53,00,20,00,43,00,6f,00,64,00,65,00,5c,00,43,\
  00,6f,00,64,00,65,00,2e,00,65,00,78,00,65,00,00,00

Riebart

#!/bin/bash

# Install the SSM agent:
#  Ref: https://docs.aws.amazon.com/systems-manager/latest/userguide/sysman-install-startup-linux.html
cd /tmp
sudo yum install -y https://s3.amazonaws.com/ec2-downloads-windows/SSMAgent/latest/linux_amd64/amazon-ssm-agent.rpm
sudo start amazon-ssm-agent

echo ECS_CLUSTER="ECS_CLUSTER_NAME" >> /etc/ecs/ecs.config
export PATH=/usr/local/bin:$PATH

Riebart

from __future__ import print_function
from scapy.all import *

domain_name = "nhlscore.riebart.ca"
dns_server_ip = '172.31.15.145'
bpf_filter = 'dst port 53 and ip dst {0}'.format(dns_server_ip)

def dns_respond(pkt, rcode=0):
    if (DNS in pkt and pkt[DNS].opcode == 0 and pkt[DNS].ancount == 0):
        print('Responding to query for "%s" from "%s"' % (pkt[DNSQR].qname, pkt[IP].src))

Riebart

#!/bin/bash

influxId=$(docker run --rm -d -p 8086:8086 -p 2003:2003 -e INFLUXDB_GRAPHITE_ENABLED=true influxdb)
grafanaId=$(docker run --rm -d -p 3000:3000 grafana/grafana)

echo "Sleeping while the containers spool up..." >&2
sleep 10

influxIp=$(docker inspect --format='{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' ${influxId})

Riebart

# Generate a new certificate with key, marked exportable (the default), suitable for code signing.
# The certificate is stored in the personal certificate store.
New-SelfSignedCertificate -Subject "CN={YOUR NAME}" -KeySpec "Signature" -KeyUsage "DigitalSignature" -KeyUsageProperty "Sign" -Friendlyname "Code Signing" -NotAfter $([datetime]::now.AddYears(5)) -Type "CodeSigningCert" -CertStoreLocation cert:\currentuser\my -KeyAlgorithm RSA -Keylength 4096 -HashAlgorithm "SHA256" -Provider "Microsoft Enhanced RSA and AES Cryptographic Provider"

# To Sign a Powershell script with a certificate
# - Find the key, which you can usually do with the thumbprint and knowing where it was stored
# - This may or may not work for you, depending on whether or not you have access to a functioning timestamp server
#   - Regardless of the timestamp, the signature will still work, just won't say when it was signed.
$cert = (ls cert:currentuser\my\0BD717BC985949E736067A15CC7502A1EAE6D031)

Riebart

#!/usr/bin/env python3
"""
Provides a simple Python wrapper for invoking an API Gateway endpoint using IAM signed requests.

Example:
  python3 apigateway-invoke.py GET \
    https://xxxxxxxxxx.execute-api.us-east-1.amazonaws.com/default/MethodName | jq .
"""

try: