Carlos Espejo CarlosEspejo

Keybase proof

I hereby claim:

I am carlosespejo on github.
I am awcarlos (https://keybase.io/awcarlos) on keybase.
I have a public key ASC2JMFchy46ahF4d2Vnp6L4kTL2IplOUR0BaJTFzaM7fAo

To claim this, I am signing this object:

Systemd

sample.service file you have to copy it to /etc/systemd/system

Set it to auto start

sudo systemctl enable sample.service

Troubleshoot

Auto mounting drives on boot /etc/fstab

https://help.ubuntu.com/community/Fstab

helpful commands

sudo lsblk # list block devices
sudo blkid # Get block device UUID
sudo mount -a # will try to mount everything and throw errors if fstab is screwed up.

	require 'fileutils'

	class Encoder
	attr_reader :processed, :search_path, :queue

	def initialize
	@search_path = '/mnt/data/media'
	@processed = File.readlines('encode.log') if File.exists?('encode.log')
	@processed = Array(processed).map(&:chomp)
	@queue = Dir.glob("#{search_path}/*/.avi").sort

	# Borrowed from this talk
	# https://www.youtube.com/watch?v=dBeXS5aFLNc
	# http://jberkus.github.io/performance_in_15_min/index.html?utm_source=postgresweekly&utm_medium=email#37
	# Thank you Josh!!

	# Memory Settings
	shared_buffers = 2GB # RAM/4 up to 8GB

	work_mem = 32MB # limit: RAM/(max_connections/2)
	# 8MB to 32MB: web

	#!/bin/bash

	# This script will create a compressed data dump
	# that can be restored in parallel using
	# pg_restore -C -j[num of cores] -d postgres 2015-09-30-app_db.dump
	# note: when -C is present the db in -d is used only to make the connection.
	# http://www.postgresql.org/docs/current/static/app-pgrestore.html
	# http://www.postgresql.org/docs/current/static/app-pgdump.html

	DATABASE_NAME=app_db

	Ubuntu 15.04
	sudo apt-get install numactl

	# Open systemd file
	# find /etc/systemd/ \| grep -i mongo
	/etc/systemd/system/multi-user.target.wants/mongod.service


	[Unit]
	Description=An object/document-oriented database

	# Look into
	# Explicitly define PATH at the top of your crontab file:

	PATH=/Users/deployer/.rbenv/shims:/usr/local/bin:/usr/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin

	Or

	export PATH=~/.rbenv/shims:~/.rbenv/bin:"$PATH"

	disable_ddl_transaction!

	def up
	add_column :users, :processed, :boolean
	change_column :users, :processed, :boolean, default: false
	execute 'update users set processed = false where processed is null'
	add_index :users, :processed, where: 'processed = false', algorithm: :concurrently
	end