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Marcus Vinicius Ferreira mv

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mv / system_operations_engineer.md
Created February 27, 2014 17:39 — forked from wikka/system_operations_engineer.md

============================================ System Operations Engineer @ Dinda.com.br/Baby.com.br

Manage an infrastructure that is impossible to outgrow!

Your responsibilities

Enjoy the DevOps lifestyle; automate everything. Have fun scripting as well as programming.

@mv
mv / gist:1379148
Created November 19, 2011 18:10 — forked from jedi4ever/gist:1376525
Ganglia - Gmond packet listener in Ruby - Proof of Concept
require 'socket'
require 'pp'
require 'xdr'
# Inspiration
# https://github.com/fastly/ganglia/blob/master/lib/gm_protocol.x
# https://github.com/igrigorik/gmetric/blob/master/lib/gmetric.rb
# https://github.com/ganglia/monitor-core/blob/master/gmond/gmond.c#L1211
# https://github.com/ganglia/ganglia_contrib/blob/master/gmetric-python/gmetric.py#L107
@mv
mv / Vagrantfile
Created November 24, 2011 00:05
Vagrant configuration
##################################
### Custom additions from Krux
##################################
### Extensive documentation here:
### http://vagrantup.com/docs/vagrantfile.html
require 'etc'
owner = ENV['KRUX_MY_USERNAME'] || Etc.getlogin
hosts = {
@mv
mv / shared.rb
Created December 21, 2011 13:36 — forked from pbosetti/shared.rb
IPC shared memory access via FFI
#!/usr/bin/env ruby
# untitled.rb
# Created by Paolo Bosetti on 2011-04-22.
# Copyright (c) 2011 University of Trento. All rights reserved.
require "rubygems"
require 'ffi'
module Shared
@mv
mv / parse-json.rb
Created December 21, 2011 13:39 — forked from mislav/stupid-json.rb
Stupid simple JSON parser
require 'strscan'
require 'forwardable'
# Stupid JSON parser. Only handles well-formed JSON.
# Otherwise, it may go into an endless loop.
class Parser
WSP = /\s+/
OBJ = /[{\[]/
NUM = /-?\d+(\.\d+)?([eE][+-]?\d+)?/
BOL = /(?:true|false)\b/
@mv
mv / cronjob.sh
Created January 21, 2012 18:06
Script to transform Amazon RDS slow log table into the MySQL slow query log format
#!/bin/bash
(/usr/local/bin/db2log | \
mk-query-digest --fingerprints \
--filter '$event->{user} !~ m/^(bi|memonic)$/') 2>&1 | \
mail -s "MySQL slow logs" root
# Rotate slow logs. Will move them into the backup table slow_log_backup. If
# that table exists it's overwritten with the primary slow log.
# So with this strategy we can still access yesterday's slow log by querying
# slow_log_backup.
@mv
mv / gist:2819323
Created May 28, 2012 13:55 — forked from matthewhudson/good-commit.md
Linus Torvalds describes a good commit message. See https://github.com/torvalds/subsurface/blob/master/README#L161
A good commit message looks like this:
Header line: explaining the commit in one line
Body of commit message is a few lines of text, explaining things
in more detail, possibly giving some background about the issue
being fixed, etc etc.
The body of the commit message can be several paragraphs, and
please do proper word-wrap and keep columns shorter than about
@mv
mv / redis2txt.rb
Created August 18, 2012 09:27 — forked from nono/redis2txt.rb
Export data from redis to a plain text files
#!/usr/bin/env ruby
require "redis"
redis = Redis.new
redis.keys("*").each do |key|
val = case redis.type(key)
when "string"
redis.get key
when "list"
@mv
mv / check_aws_status.rb
Created October 16, 2012 12:35 — forked from ktheory/check_aws_status.rb
Nagios plugin to check AWS Status RSS feeds
#!/usr/bin/env ruby
require 'rubygems'
require 'nokogiri'
require 'net/http'
# check_aws_status.rb
# A nagios plugin for fetching RSS feeds from http://status.aws.amazon.com.
# Source: https://gist.github.com/1604786
# Written by Aaron Suggs: https://github.com/ktheory
@mv
mv / coreos-example.json
Created August 31, 2013 19:31 — forked from oremj/coreos-example.json
{
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "Core ec2 example: http://coreos.com/docs/ec2/",
"Parameters": {
"InstanceType" : {
"Description" : "EC2 instance type",
"Type" : "String",
"Default" : "t1.micro",
"AllowedValues" : [ "t1.micro","m1.small","m1.medium","m1.large","m1.xlarge", "m3.xlarge", "m3.2xlarge", "m2.xlarge","m2.2xlarge","m2.4xlarge","c1.medium","c1.xlarge","cc1.4xlarge","cc2.8xlarge","cg1.4xlarge", "hi1.4xlarge", "hs1.8xlarge"],