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Eugen Soloviov suenot

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@suenot
suenot / asyncio_producer_consumer.py
Created June 11, 2018 13:57 — forked from akrylysov/asyncio_producer_consumer.py
Python 3 asyncio basic producer / consumer example
import asyncio
import random
q = asyncio.Queue()
async def producer(num):
while True:
await q.put(num + random.random())
await asyncio.sleep(random.random())
@suenot
suenot / tarantool-websockets.lua
Created June 9, 2018 09:14 — forked from daurnimator/tarantool-websockets.lua
Tarantool + lua-http websockets nonblocking
#!/usr/bin/env tarantool
local cqueues = require "cqueues"
local fiber = require "fiber"
local socket = require "socket"
package.loaded["http.client"] = nil -- tarantool has a namespace clash
local websocket = require "http.websocket"
local cq = cqueues.new()
-- Hook up cqueues loop inside tarantool fiber
@suenot
suenot / mongo-docker-auth.md
Last active September 27, 2018 21:03
mongo docker auth 
docker volume create mongo-volume
docker run --name some-mongo -p 27017:27017 -v mongo-volume:/data/db -d mongo

docker exec -it some-mongo mongo admin
db.createUser({ user: 'username', pwd: 'userpass', roles: [ { role: "root", db: "admin" } ] });
use admin
db.createUser({ user: 'user1', pwd: 'pass1', roles: [ { role: "read", db: "public" } ], mechanisms:["SCRAM-SHA-1"] });
exit
@suenot
suenot / parity_on_hetzner.md
Last active May 21, 2020 10:56
parity on hetzner

Block reserved IPS:

iptables -A OUTPUT -p tcp -s 0/0 -d 0.0.0.0/8 -j DROP
iptables -A OUTPUT -p tcp -s 0/0 -d 10.0.0.0/8 -j DROP
iptables -A OUTPUT -p tcp -s 0/0 -d 100.64.0.0/10 -j DROP
iptables -A OUTPUT -p tcp -s 0/0 -d 169.254.0.0/16 -j DROP
iptables -A OUTPUT -p tcp -s 0/0 -d 172.16.0.0/12 -j DROP
iptables -A OUTPUT -p tcp -s 0/0 -d 192.0.0.0/24 -j DROP
iptables -A OUTPUT -p tcp -s 0/0 -d 192.0.2.0/24 -j DROP
@suenot
suenot / ulimits
Created April 23, 2018 05:18
### default
ulimit -a
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 127927
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 1024
@suenot
suenot / KUPI.sol
Created February 23, 2018 18:53
pragma solidity ^0.4.4;
contract Token {
/// @return total amount of tokens
function totalSupply() constant returns (uint256 supply) {}
/// @param _owner The address from which the balance will be retrieved
/// @return The balance
function balanceOf(address _owner) constant returns (uint256 balance) {}
@suenot
suenot / bash.sh
Created February 8, 2018 17:51
containers
docker run -ti -v ~/.local/share/io.parity.ethereum/docker/:/root/.local/share/io.parity.ethereum/ -p 8180:8180 -p 8545:8545 -p 8546:8546 -p 30303:30303 -p 30303:30303/udp parity/parity:v1.7.0 --base-path /root/.local/share/io.parity.ethereum/ --ui-interface all --jsonrpc-interface all
@suenot
suenot / gist:90f81de241deddae271e9d0d154ad9ee
Last active March 25, 2017 20:39
os x: iso to usb
diskutil list
diskutil unmountDisk /dev/disk2
sudo dd if=/Users/suenot/Fedora-Workstation-Live-x86_64-25-1.3.iso of=/dev/disk2 bs=1m
diskutil eject /dev/disk2
@suenot
suenot / type.html
Created June 6, 2016 05:59 — forked from aalexeev239/type.html
typography page
<!DOCTYPE html>
<html class="no-js">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="format-detection" content="telephone=no">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Title</title>
<link rel="stylesheet" href="css/style.css">
</head>
@suenot
suenot / svgstore.html
Last active August 29, 2015 14:27 — forked from w0rm/svgstore.html
Load combined svg file into body
<html>
<body>
<!-- load combined svg file (with symbols) into body-->
<script>
(function (doc) {
var scripts = doc.getElementsByTagName('script')
var script = scripts[scripts.length - 1]
var xhr = new XMLHttpRequest()
xhr.onload = function () {