Valerii Vasylkov ctrldrift

ctrldrift / erlang-ssl-tls-config.txt

Created May 27, 2021 14:09 — forked from jj1bdx/erlang-ssl-tls-config.txt

Erlang SSL/TLS configuration (originally by Fréd Hébert)

	Originally from: http://erlang.org/pipermail/erlang-questions/2017-August/093170.html

	For a safe and fast Erlang SSL server, there's a few
	configuration values you might want by default:

	[{ciphers, CipherList}, % see below
	{honor_cipher_order, true}, % pick the server-defined order of ciphers
	{secure_renegotiate, true}, % prevent renegotiation hijacks
	{client_renegotiation, false}, % prevent clients DoSing w/ renegs
	{versions, ['tlsv1.2', 'tlsv1.1']}, % add tlsv1 if you must

ctrldrift / timetop.erl

Created September 27, 2019 09:39 — forked from stolen/timetop.erl

top processes by scheduled time

	-module(timetop).

	-export([top/2]).

	top(Duration, Count) ->
	OldPrio = erlang:process_flag(priority, high),
	Result = scheduled_time_top(Duration),
	erlang:process_flag(priority, OldPrio),
	lists:sublist(Result, Count).

ctrldrift / postgres_stats.sql

Created February 23, 2018 12:02 — forked from marr75/postgres_stats.sql

	with table_stats as (
	select psut.relname,
	psut.n_live_tup,
	1.0 * psut.idx_scan / greatest(1, psut.seq_scan + psut.idx_scan) as index_use_ratio
	from pg_stat_user_tables psut
	order by psut.n_live_tup desc
	),
	table_io as (
	select psiut.relname,
	sum(psiut.heap_blks_read) as table_page_read,

ctrldrift / gist:bbd2b182fe15789a17c51ba2134ee1f5

Created July 11, 2017 14:22

wrk2 script example

	request = function()
	category = uuid()
	path = "/weber_api/send_message/v1/"
	wrk.headers["Content-Type"] = "application/json; charset=utf-8"
	wrk.headers["x-auth-id"] = "valid_AUTH_Session"
	wrk.body = "{\"weber_message\":[{\"id\":\""..category.."\",\"dst_addr\":\"+___\",\"category\":\""..category.." \",\"message_template\":[{\"text\":\"Тестовое сообщение!\"}]}]}"
	return wrk.format("POST", path)
	end

	random = math.random

ctrldrift / gist:6b2ffbda144c6c3ad8b8f4dee0cf4cba

Created June 13, 2017 13:24 — forked from sjwilliams/gist:4b23f60fc451e7e8c59e

FFmpeg: Blur video

ffmpeg -i intro.mov -vf "boxblur=5:1" intro-blur.mov

ctrldrift / install.sh

Created April 26, 2017 13:55 — forked from chaos-ad/install.sh

Installing erlang in ubuntu

	#!/bin/bash
	# installing erlang on ubuntu's

	VERSION="R15B01"

	sudo apt-get install build-essential libncurses5-dev openssl libssl-dev

	sudo mkdir -p /opt/erlang/
	curl -O https://raw.github.com/spawngrid/kerl/master/kerl && chmod a+x kerl
	sudo mv kerl /opt/erlang/

ctrldrift / date_util.erl

Created February 11, 2014 21:41 — forked from zaphar/date_util.erl