pablolagos

# 📄 Recomendaciones para Subir Archivos Grandes

Este documento explica las mejores prácticas para manejar archivos grandes (>100 MB) sin comprometer la seguridad, el rendimiento o la estabilidad de la plataforma protegida por PowerWAF.

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## ⚡ Por qué evitar `POST` directos muy grandes

- Cada petición HTTP grande consume RAM y CPU mientras se inspecciona.

pablolagos

# Install curl, host, nslookup and dig commands
apt-get install curl dnsutils -y

cd /tmp
wget https://s3.amazonaws.com/bitly-downloads/nsq/nsq-1.2.1.linux-amd64.go1.16.6.tar.gz
tar -xzf nsq-1.2*
cd nsq-1.2.1.linux-amd64.go1.16.6/bin
mkdir -p /opt/nsq
cp * /opt/nsq/
# for testing purposes

pablolagos

[Unit]
Description=Prometheus
Wants=network-online.target
After=network-online.target

[Service]
User=prometheus
Group=prometheus
Type=simple
ExecStart=/opt/prometheus \

pablolagos

// Fix Float64 precision for arithmetics in Go

// For go version >= 1.10
func FixFloatPrecision(num float64, precision int) float64 {
	pow := math.Pow10(precision)
	return math.Round(num*pow) / pow
}


// If no float.Round (< go 1.10)

pablolagos

1. Descargar imagen desde:
# Ubuntu
wget https://cloud-images.ubuntu.com/bionic/current/bionic-server-cloudimg-arm64.img
# Debian for ARM-64
wget https://cloud.debian.org/images/cloud/bullseye/latest/debian-11-generic-arm64.qcow2
# Debian for AMD-64
https://cloud.debian.org/images/cloud/bullseye/latest/debian-11-genericcloud-amd64.qcow2

2- subir a object storage en oci

pablolagos

With the next file:

Line 1
Line 2
Line 3
Line 4

Insert line BEFORE pattern
sed '/ine 4/ i Inserted line' file.txt

pablolagos

// The command
	cmd := exec.Command("ls", "-al")
	stdout, _ := cmd.StdoutPipe()
	scanner := bufio.NewScanner(stdout)
	err = cmd.Start()
	if err != nil {
		log.Println("Error executing command: %s", err)
		return err
	}

pablolagos

<?php

use Phalcon\Cache\Backend\File as BackFile;
use Phalcon\Cache\Frontend\Data as FrontData;

// Cache the files for 10 minutes using a Data frontend
$frontCache = new FrontData(['lifetime' => 600 ]);

// Create the component that will cache 'Data' to a 'File' backend
// Set the cache file directory - important to keep the `/` at the end of

pablolagos

/* Abrir archivo para append */
f, err := os.OpenFile("/tmp/recepcion.txt", os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0644)
if err != nil {
  log.Println("Error opening file",err.Error())
  return
}
defer f.Close()

/* Escribir al archivo */
_, err = fmt.Fprintln(f,  string(buf))

pablolagos

<?php

$robots = Robots::find( [
        'conditions' => 'type = ?1',
        'bind'       => [ 1 => 'virtual' ]
    ]
);
if (empty($robots)) { echo "Not found" }

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