non7top’s gists

non7top / sysctl.conf

Last active September 14, 2015 07:48 — forked from kfox/sysctl.conf

Linux kernel tuning settings for large number of concurrent clients

	# Kernel sysctl configuration file for Red Hat Linux
	#
	# For binary values, 0 is disabled, 1 is enabled. See sysctl(8) and
	# sysctl.conf(5) for more details.

	# Controls source route verification
	net.ipv4.conf.default.rp_filter = 1

	# Do not accept source routing
	net.ipv4.conf.default.accept_source_route = 0

non7top / system_backup

Created September 27, 2015 21:32

	# Purpose : System backup
	# Modified 14 Feb 2011

	echo "Initializing backup process - " `date`
	logger -t backup "System Backup started"
	backvol=/bkpv

	#
	# Sanity Check
	#

non7top / sni-sniff.py

Last active March 17, 2019 05:12

Allows to dump the hostname header from sni handshake

	import os
	import BaseHTTPServer, SimpleHTTPServer
	import ssl, socket

	CERTIFICATE_PATH = os.getcwd() + '/server.crt'
	KEY_PATH = os.getcwd() + '/server.key'

	def verify_tls(socket, hostname, context, as_callback=True):
	print "SNI hostname: ", hostname

non7top / upload.php

Created February 5, 2016 12:56

simple upload script

	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=windows-utf-8">
	<title>utf</title>
	</head>
	<body>
	<?php
	print "<h1>#p@$c@#</h1>\n";
	echo "Your IP: ";
	echo $_SERVER['REMOTE_ADDR'];

non7top / rdiffweb.conf

Last active January 15, 2017 00:43

Example configuration for nginx

	location /rdiffweb {
	rewrite ^([^\?#]/)([^\?#\./]+)([\?#].)?$ $1$2/$3 permanent;
	# substitute with rdiffweb url
	proxy_pass http://127.0.0.1:18080/;
	# for https
	#proxy_redirect http://example.com https://example.com/rdiffweb;
	proxy_set_header Host $host;
	proxy_set_header X-Real-IP $remote_addr;
	proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
	proxy_set_header X-Forwarded-Proto $scheme;

non7top / with_backoff.sh

Created April 11, 2016 19:07

bash function to retry with backoff

	function with_backoff {
	# http://stackoverflow.com/questions/8350942/how-to-re-run-the-curl-command-automatically-when-the-error-occurs
	# by phs
	#
	# The retry count is given by ATTEMPTS (default 5), the initial backoff
	# timeout is given by TIMEOUT in seconds (default 1.)
	#
	# Successive backoffs double the timeout.

	local max_attempts=${ATTEMPTS-5}

non7top / in a flask

Created May 12, 2016 09:09 — forked from oxpa/in a flask

range getting files from server

	def generate(taskname, ext='html'):
	#jobs=get_results_from_redis()
	#job = [i for i in jobs if i.name == taskname][0]
	try:
	logfile = open('/opt/deploy/var/log/tasks/%s.%s'%(taskname, ext), 'r')
	except:
	raise StopIteration

	yield ''.join(logfile.readlines())
	#while job.status != 'SUCCESS' and job.status != 'FAIL' and job.status != 'STOP' and logfile:

non7top / skeleton-daemon.sh

Created July 6, 2016 12:40 — forked from shawnrice/skeleton-daemon.sh

A template to write a quick daemon as a bash script

	#!/bin/sh

	# This is a skeleton of a bash daemon. To use for yourself, just set the
	# daemonName variable and then enter in the commands to run in the doCommands
	# function. Modify the variables just below to fit your preference.

	daemonName="DAEMON-NAME"

	pidDir="."
	pidFile="$pidDir/$daemonName.pid"

non7top / mtu_discover.sh

Last active January 12, 2017 05:15

mtu_discover.sh

	#!/bin/bash
	# original https://idyllictux.wordpress.com/2009/06/19/script-find-maximum-mtu/
	# adjusted it to detect pmtu hole
	# read https://blog.cloudflare.com/path-mtu-discovery-in-practice/
	# https://habrahabr.ru/post/136871/

	PKT_SIZE=${2:-1472}
	HOSTNAME="$1"

	z=$( ping -M do -c 1 -w 3 -s $PKT_SIZE $HOSTNAME 2>&1 )

non7top / .htaccess

Created August 17, 2016 12:37

HTTP 451 Unavailable For Legal Reasons

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