congdonglinux / purge.lua

Created December 5, 2016 03:32 — forked from titpetric/purge.lua

Delete NGINX cached items from a PURGE request

	-- Tit Petric, Monotek d.o.o., Thu 27 Oct 2016 10:43:38 AM CEST
	--
	-- Delete nginx cached assets with a PURGE request against an endpoint
	--

	local md5 = require 'md5'

	function file_exists(name)
	local f = io.open(name, "r")
	if f~=nil then io.close(f) return true else return false end

congdonglinux / gist:fc09ee5de95709b47cd6b2d8af6d18f9

Created December 5, 2016 09:41 — forked from rroethof/gist:58d5c46c128c26f4603c

nginx hardening tips

	Stop Hotlinking: don’t let other websites steal your content (images, media files, etc),
	that will cause additional load to your webserver and also more bandwidth consumption.

	'''
	location ~ .(gif\|png\|jpe?g)$ {
	valid_referers none blocked mywebsite.com *.mywebsite.com;
	if ($invalid_referer) {
	return 403;
	}
	}

congdonglinux / proxycache.py

Created December 12, 2016 16:02 — forked from jkjuopperi/proxycache.py

nginx proxy cache listing and purging tool in python

	#!/usr/bin/env python
	from __future__ import print_function
	import os
	import sys
	from collections import namedtuple
	CacheFile = namedtuple('CacheFile', ['path', 'key'])
	def read_cache_file(path):
	with open(path, 'r') as f:
	f.seek(0x28) # skip header
	key_magic = f.read(6)

congdonglinux / multiple domains.php

Created December 14, 2016 10:10 — forked from fliphess/multiple domains.php

byte flush varnish when on a varnish cluster

	<?php
	header("Cache-Control: no-cache, must-revalidate"); //HTTP 1.1

	$domains = array('devguppie.com', 'wwww.devguppie.com', 'www.example.com', 'example.com');
	foreach ($domains as $domain) {
	$curl = curl_init("http://$domain/.*");
	curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "PURGE");
	curl_exec($curl);
	curl_close($curl);
	}

congdonglinux / ngx-lua.sh

Created February 8, 2017 01:41 — forked from hit9/ngx-lua.sh

Script to compile nginx on ubuntu with lua support.

	#!/bin/sh

	# Script to compile nginx on ubuntu with lua support.

	NGX_VERSION='1.6.2'
	LUAJIT_VERSION='2.0.3'
	LUAJIT_MAJOR_VERSION='2.0'
	NGX_DEVEL_KIT_VERSION='0.2.19'
	LUA_NGINX_MODULE_VERSION='0.9.15'

congdonglinux / run-multiple-redis-instances.md

Created February 28, 2017 10:11 — forked from jarvys/run-multiple-redis-instances.md

run multiple redis instances on the same server for centos

$ cp /etc/redis.conf /etc/redis-xxx.conf

...

congdonglinux / Graphite on CentOS

Last active April 29, 2017 07:56 — forked from inokappa/gist:2be2ad0af6527b6749df

Graphite Setup for CentOS

	## Graphite Setup for CentOS

	#### 参考

	* [Install graphite on a CentOS/RHEL server](http://www.linuxsysadmintutorials.com/install-graphite-on-a-centosrhel-server/)
	* [CentOSにRPMでGraphite+Diamondをインストールする](http://qiita.com/takakiku/items/4dbee4739801cb8f60a2)

	***
	#### epel リポジトリの追加

congdonglinux / OpenStack-instances-monitoring-with-Prometheus-Grafana.md

Created April 25, 2024 09:16 — forked from sdmoko/OpenStack-instances-monitoring-with-Prometheus-Grafana.md

Step by step to Monitoring OpenStack Instances with Service Discovery Prometheus and Grafana

Create Instances for Prometheus Server and Grafana

Download Prometheus Server

cd /tmp
wget -c https://github.com/prometheus/prometheus/releases/download/v2.13.1/prometheus-2.13.1.linux-amd64.tar.gz

congdonglinux / README.md

Created April 25, 2024 10:18 — forked from gilangvperdana/README.md

Installation OpenStack Xena All-in-One on Cloud with Kolla Ansible

1. Virtual Machine Ubuntu 20.04LTS (Azure, GCP, AWS, Aliyun, etc)
2. 16GB RAM
3. 512 GB Storage
4. One disk add for PV

congdonglinux / ddos.conf

Created April 26, 2024 08:45 — forked from mattia-beta/ddos.conf

IPtables DDoS Protection for VPS

	### 1: Drop invalid packets ###
	/sbin/iptables -t mangle -A PREROUTING -m conntrack --ctstate INVALID -j DROP

	### 2: Drop TCP packets that are new and are not SYN ###
	/sbin/iptables -t mangle -A PREROUTING -p tcp ! --syn -m conntrack --ctstate NEW -j DROP

	### 3: Drop SYN packets with suspicious MSS value ###
	/sbin/iptables -t mangle -A PREROUTING -p tcp -m conntrack --ctstate NEW -m tcpmss ! --mss 536:65535 -j DROP

	### 4: Block packets with bogus TCP flags ###