holly’s gists

holly / drop_cache.sh

Last active May 27, 2020 00:13

sync and drop cache

holly / nc-http.sh

Created October 11, 2015 12:48

oneliner http server

while true; do echo -n -e "HTTP/1.1: 200 OK\n\nHello world\n" | nc -l 8080; done

holly / nc-tcp-forward.sh

Created October 17, 2015 02:32

easy tcp port forwarding by netcat

	#!/usr/bin/env bash

	set -e

	if [ $# != 3 ]; then

	echo 'Usage: nc-tcp-forward.sh $FRONTPORT $BACKHOST $BACKPORT' >&2
	exit 1
	fi

holly / make-rir-delegated-latest.py

Last active October 7, 2021 04:02

make afrinic/apnic/arin/ripe/lacnic delegated-latest ipv4 and ipv6 list script

	#!/usr/bin/env python
	# vim:fileencoding=utf-8

	""" [NAME] script or package easy description

	[DESCRIPTION] script or package description
	"""
	from datetime import datetime
	from argparse import ArgumentParser
	import pprint

holly / inotify.py

Created November 15, 2015 04:27 — forked from quiver/inotify.py

Python implementation of "IBM DeveloperWorks : Monitor Linux file system events with inotify"

	import collections
	import ctypes
	import ctypes.util

	# bit masks
	IN_ISDIR = 0x40000000
	IN_ALL_EVENTS = 0xfff

	class inotify_event_struct(ctypes.Structure):
	"""

holly / ctypes-inotify-sample.py

Created November 15, 2015 07:13

	#!/usr/bin/env python

	from ctypes import CDLL, CFUNCTYPE, c_char_p, c_int, c_uint32
	from ctypes.util import find_library
	import argparse
	import os
	import struct
	import sys
	import select

holly / randstr.sh

Created November 17, 2015 04:25

cat /dev/urandom | tr -dc "a-zA-Z0-9" | fold -w48 | head

holly / make-country-list.py

Last active November 29, 2015 13:35

output country data from https://restcountries.eu/ api

	#!/usr/bin/env python3
	# vim:fileencoding=utf-8

	""" [NAME] script or package easy description

	[DESCRIPTION] script or package description
	"""
	from datetime import datetime
	from argparse import ArgumentParser, FileType
	import pprint

holly / pg_dumpall.py

Created December 5, 2015 09:40

	#!/usr/bin/env python3
	# vim:fileencoding=utf-8

	""" [NAME] script or package easy description

	[DESCRIPTION] script or package description
	"""
	from datetime import datetime
	from argparse import ArgumentParser
	import pprint

holly / glusterfs-tuning.sh

Created December 20, 2015 06:21

http://qiita.com/mykysyk@github/items/ec5979c1c0a0b49a736b をそのままメモ

	#!/bin/sh

	#--- memo --
	# 参考：https://sites.google.com/site/glusterfstech/install

	#--- vm.swappiness [デフォルト:60]
	# 0にすると物理メモリを使いきるまでswapしなくなる。

	#--- vm.dirty_background_ratio [デフォルト:10]
	#メモリに対してdirtyデータが指定の%になるとバックグラウンドでpdflushが動作

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