jvns

Ruby and Python profilers

CPU profilers

Python

• cProfile
• https://github.com/bdarnell/plop (blog post)
• https://github.com/rkern/line_profiler
• https://github.com/uber/pyflame (blog post)

alexellis

This guide has moved to a GitHub repository to enable collaboration and community input via pull-requests.

https://github.com/alexellis/k8s-on-raspbian

Alex

mbartsch

This is how I manage docker with ipv6 and dhcp-pd in arch linux

/etc/dhcpcd.conf

  duid
  persistent
  option rapid_commit
  option classless_static_routes
  option ntp_servers

csabapalfi

awesome histograms

good implementations

• HdrHistogram
• circllhist.js

articles

nf

" Name: modified nofrils
" Author: adg
" URL: based on https://github.com/robertmeta/nofrils
" (see this url for latest release & screenshots)
" License: OSI approved MIT license
" Modified: 2016 Feb 26

hi clear
if exists("syntax_on")
    syntax reset

botchagalupe

#Introduction to Devops Resources:

##Chapter 1

2015 State of DevOps Report https://puppet.com/resources/white-paper/2015-state-of-devops-report

Knight Capital https://en.wikipedia.org/wiki/Knight_Capital_Group

thomasdarimont

Setup

Add this to your .profile, .bashrc, .zshrc...

decode_base64_url() {
  local len=$((${#1} % 4))
  local result="$1"
  if [ $len -eq 2 ]; then result="$1"'=='
  elif [ $len -eq 3 ]; then result="$1"'=' 
  fi
 echo "$result" | tr '_-' '/+' | openssl enc -d -base64

morekid

1. Humans build and fix systems.
2. Humans get tired and stressed, they feel happy and sad.
3. Systems don't have feelings yet. They only have SLAs.
4. Humans need to switch off and on again.
5. The wellbeing of human operators impacts the reliability of systems.
6. Alert Fatigue == Human Fatigue
7. Automate as much as possible, escalate to a human as a last resort.
8. Document everything. Train everyone. Save time.
9. Kill the shame game.
10. Human issues are system issues.

SmartFinn

# MikroTik (RouterOS) script for automatically setting DNS records
# for clients when they obtain a DHCP lease.
#
# author SmartFinn <https://gist.github.com/SmartFinn>

:local dnsTTL "00:15:00";
:local token "$leaseServerName-$leaseActMAC";

# Normalize hostname (e.g. "-= My Phone =-" -> "My-Phone")
# - truncate length to 63 chars

matschaffer

require 'gsl'
require 'time'

module Diskalerter
  class ThresholdEstimator
    attr_reader :timestamps, :signal, :threshold, :now

    # timestamps - a list of timestamps in epoch milliseconds
    # signal - a list of values for the provided timestamps
    # threshold - the "exhaustion" threshold (e.g., 100 for a percentage signal)