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Martin Alderete malderete

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@apk
apk / websock.sh
Created April 18, 2012 15:51
A web socket server as a bash script.
#!/bin/bash
# WebSocket shell, start & browse to http://<Host>:6655/
# Requires bash 4.x, openssl.
# Author: rootshell@corelogics.de (which isn't me, apk)
coproc d { nc -l -p 6656 -q 0; }
nc -l -p 6655 -q 1 > /dev/null <<-ENDOFPAGE
HTTP/1.1 200 OK
<html><head><script language="javascript">
var url = location.hostname + ':' + (parseInt(location.port) + 1);
@rgreenjr
rgreenjr / postgres_queries_and_commands.sql
Last active June 17, 2024 15:54
Useful PostgreSQL Queries and Commands
-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query
FROM pg_stat_activity
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%'
ORDER BY query_start desc;
-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query
FROM pg_stat_activity
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'
@vvilp
vvilp / my Arch Linux cheat-sheet
Created October 16, 2013 11:17 — forked from tungel/my Arch Linux cheat-sheet
Installing Arch:
sudo vim /etc/pacman.conf
Update packages list: sudo pacman -Syy
run sudo pacman -Syu before installing any software (to update the repositories first)
* Timing issue:
- Change hardware clock to use UTC time:
sudo timedatectl set-local-rtc 0
@manvari
manvari / cowerupdate
Last active February 24, 2017 18:14
Script to update AUR packages through cower.
#!/usr/bin/env bash
#
# cowerupdate
#
# Script to update AUR packages installed through cower.
#
# Copyright 2013-2015, iceTwy
# Licensed under the WTFPLv2 (http://www.wtfpl.net/about/)
cower_updatesearch_cmd="cower -u"
@pardo
pardo / debounced_celery_task.py
Last active September 8, 2023 08:04
Debounced celery task in python
def debounced_wrap(func):
@functools.wraps(func)
def wrapper(*args, **kwargs):
key = kwargs.pop("key") # it's required
call_count = kwargs.pop("call_count", 1)
count = cache.get(key, 1)
if count > call_count:
# someone called the function again before the this was executed
return None
# I'm the last call
@wolfeidau
wolfeidau / main.go
Last active May 31, 2022 16:30
Golang Backpressure Example
package main
// The aim of this example is to illustrate backpressure using golang channels and go routines.
//
// This is the basis for a simple data processing service which could either be reading from
// some internal queue or a socket of some sort.
import (
"fmt"
"math/rand"
@stephanschielke
stephanschielke / update_packages.sh
Last active August 22, 2022 08:13
ARCH linux package update script for pacman and yaourt
#!/bin/bash
echo ==========
echo Check root
echo ==========
if [[ $UID == 0 ]]; then
echo "Please run this script WITHOUT sudo:"
echo "$0 $*"
exit 1
fi
@voluntas
voluntas / sysctl.conf
Created October 14, 2017 13:07 — forked from techgaun/sysctl.conf
Sysctl configuration for high performance
### KERNEL TUNING ###
# Increase size of file handles and inode cache
fs.file-max = 2097152
# Do less swapping
vm.swappiness = 10
vm.dirty_ratio = 60
vm.dirty_background_ratio = 2