jkeam

digraph SimplestDiagrams {
    Zoo1
    "Zoo1" -> "Cat" 
    "Zoo1" -> "Dog"
    
     Zoo2
    "Zoo2" -> "Cat"
    "Zoo2" -> "Crow"
    
     Zoo3

jkeam

#!/usr/bin/env ruby
require 'json'
require 'rexml/document'
include REXML

def fix_exshell_json(filename, url)
  json_file = JSON.parse File.read(filename)
  json_file['developmentUrl'] = url
  File.open(filename, 'w') { |file| file.puts(json_file.to_json) }
end

jkeam

awk '{printf "%s\\n", $0}' file

jkeam

Install These Tools:
https://github.com/pyenv/pyenv
https://github.com/pyenv/pyenv-virtualenv


Then in .zshrc add:
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"

jkeam

#!/bin/sh
#
# usage: getcert.sh remote.host.name [port]
#  eg) getcert.sh api.mailgun.net
#
RHOST=$1
RPORT=${2:-443}

# see cert
echo -n | openssl s_client -connect ${RHOST}:${RPORT} | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p'

jkeam

#!/bin/bash

#ifconfig en0 | grep 'inet ' | awk '{print $2}'
ipconfig getifaddr en0

jkeam

# install postgres
sudo apt update
sudo apt install postgresql postgresql-contrib libpq-dev

# login as postgres user
sudo -i -u postgres

# log into psql shell
psql

jkeam

# get database info
heroku config:get DATABASE_URL -a app_name

# dump command
pg_dump --column-inserts --no-acl --no-owner -h host_name -U postgres_user -t table_name --data-only db_name > output_filename.dump

jkeam

#!/bin/bash

security find-identity -v -p codesigning

jkeam

#!/bin/bash

# -A doesn't print out newlines and entire file will be on a single line.
openssl base64 -A -in ./input_file -out ./output_file