Greelan

# How to use acme.sh to set up Let's Encrypt, with the script being run
# mostly without root permissions

# See https://github.com/Neilpang/acme.sh for more

# These instructions use the domain "EXAMPLE.COM" as an example

# These instructions:
#   - work on Ubuntu 18.04 and 20.04 with nginx
#   - use CloudFlare DNS validation

sdiama

S3 Alternatives
---------------
- https://wasabi.com
- https://www.exoscale.com
- https://www.vultr.com
- https://www.arubacloud.com/
- https://www.digitalocean.com
- https://min.io/
- http://leo-project.net/
- https://www.backblaze.com/

davivcgarcia

#! /bin/bash

# Stops at the first error
set -e

# Checks if is running as root, and sudo if not
[ `whoami` = root ] || { sudo "$0" "$@"; exit $?; }

# Determines current local version
if [[ -f /usr/local/go/bin/go ]]; then

aasumitro

Connect Sim800l v2 by rohs with minicom (raspberry pi 3 b+)

#1 download minicom package

  apt install minicom
  
#2 activate hardware serial interface by opening the raspberry config
  
   raspi-config
    - interfacing options

lizthegrey

default['sshd']['sshd_config']['AuthenticationMethods'] = 'publickey,keyboard-interactive:pam'
default['sshd']['sshd_config']['ChallengeResponseAuthentication'] = 'yes'
default['sshd']['sshd_config']['PasswordAuthentication'] = 'no'

loa

Dual GPG Yubikey Setup

If you follow this guide you will end up with an offline and online Yubikey. Use your online Yubikey for everyday life, signing/encryption etc. Offline key for signing keys for web-of-trust and replace lost online keys.

Awesome tools with PGP keys:

• mozilla/sops dead-simple local encryption of sensitive files
• popass.pw password manager for you and your team stored in git

Offline Yubikey

jokey2k

#!/bin/bash
# based on script from http://www.axllent.org/docs/view/ssh-geoip
# License: WTFPL

# UPPERCASE space-separated country codes to ACCEPT
ALLOW_COUNTRIES="DE EU GB"
LOGDENY_FACILITY="authpriv.notice"

if [ $# -ne 1 ]; then
  echo "Usage:  `basename $0` <ip>" 1>&2

patotoma

Secured PHP Contact Form

<?php
  if(isset($_POST['submit'])){
    $name = htmlspecialchars(stripslashes(trim($_POST['name'])));
    $subject = htmlspecialchars(stripslashes(trim($_POST['subject'])));
    $email = htmlspecialchars(stripslashes(trim($_POST['email'])));
    $message = htmlspecialchars(stripslashes(trim($_POST['message'])));
    if(!preg_match("/^[A-Za-z .'-]+$/", $name)){

reefab

        $dhclientconf = "";
                
        if ($wanif == "rl2") {
                        
                $dhclientconf .= <<<EOD
interface "{$wanif}" {
timeout 60;
retry 1;
select-timeout 0;
send dhcp-class-identifier "neufbox5_NB5-SER-r1_NB5-MAIN-R2.2.2";