kixorz’s gists

kixorz / gist:5281849

Created March 31, 2013 20:15

Installing nginx with passenger for Rails on CentOS

	#assuming rvm installed with Ruby 2+

	#install latest passenger gem
	gem install passenger --pre

	#install nginx from sources with passenger module
	passenger-install-nginx-module

kixorz / gist:5281510

Last active May 30, 2016 20:33

Zabbix 2.0+ temperature monitoring configuration using IPMI

	#zabbix user needs to be in /etc/sudoers to be able to execute ipmitool
	zabbix ALL=NOPASSWD: /usr/bin/ipmitool

	#zabbix config has to collect desired UserParameters
	UserParameter=ipmi.ambient_temp,sudo ipmitool sdr \| grep "Ambient" \| awk '{print $3}' \| head -1
	UserParameter=ipmi.cpu_temp,sudo ipmitool sdr \| grep "CPU" \| awk '{print $3}' \| head -1
	UserParameter=ipmi.cpu_fan,sudo ipmitool sdr \| grep -i "FAN1 SYS" \| awk '{print $4}' \| head -1
	UserParameter=ipmi.cpu_fan_status,sudo ipmitool sdr \| grep -i "FAN1 SYS" \| awk '{print $7}' \| head -1

	#after restart of zabbix_agentd, collected values can be tested via

kixorz / gist:5242651

Last active December 15, 2015 09:59

Useful commands

	#mysql
	#export
	mysqldump -u root -p <db> > <filename>.sql

	#import
	mysql -u root -p <db> < <filename>.sql


	#mongo
	#export

kixorz / aws_autoscaling_cron.rb

Created March 20, 2013 22:41

Running cron jobs in AWS Auto Scaling group is tricky. When you deploy the same code and configuration to all instances in the group, cron job would run on all of them. You may not want that. This script detects the first instance in the group and allows only this instance to run the job. IAM user used by this script needs to have permissions to…

	#!/usr/bin/env ruby
	require 'syslog'
	require 'net/http'
	require 'aws-sdk'

	Syslog.open

	AWS.config({
	:access_key_id => '<iam user key>',
	:secret_access_key => '<iam user secret>'

kixorz / aws_iam_policy.json

Last active April 11, 2022 10:32

Update Route53 DNS records from your EC2 instance using this simple Ruby script. You can call it from rc.local after setting your hostname locally. First parameter is the desired <hostname>.<domain> Domain and other parameters are hardcoded. This script is useful for handling internal DNS changes in your systems after instance changes. Attached …

	{
	"Statement": [
	{
	"Action": [
	"route53:ChangeResourceRecordSets",
	"route53:GetHostedZone",
	"route53:ListResourceRecordSets"
	],
	"Effect": "Allow",
	"Resource": [

kixorz / gist:5127099

Last active December 14, 2015 18:09

Globally Handling Not Found in Rails with Mongoid

	class ApplicationController < ActionController::Base
	rescue_from Mongoid::Errors::DocumentNotFound, :with => :rescue_not_found

	protected
	def rescue_not_found
	render :template => 'application/not_found', :status => :not_found
	end
	end

kixorz / ares_document.json

Created December 6, 2012 05:01

Ares Spider

	{
	"Ares_odpovedi": {
	"xmlns:are": "http:\/\/wwwinfo.mfcr.cz\/ares\/xml_doc\/schemas\/ares\/ares_answer_or\/v_1.0.3",
	"xmlns:D": "http:\/\/wwwinfo.mfcr.cz\/ares\/xml_doc\/schemas\/ares\/ares_datatypes\/v_1.0.3",
	"xmlns:U": "http:\/\/wwwinfo.mfcr.cz\/ares\/xml_doc\/schemas\/uvis_datatypes\/v_1.0.3",
	"odpoved_datum_cas": "2012-12-06T06:04:46",
	"odpoved_pocet": "1",
	"odpoved_typ": "Vypis_OR",
	"vystup_format": "XML",
	"xslt": "klient",