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From DO NOT say "you're welcome"! Respond to "thank you" PROPERLY!

Informal

• you are welcome
• (GB) you're very welcome
• (US) No problem / No problem, I enjoyed helping you
• thank YOU
• The pleasure is mine! ( a bit more formal) / My Pleasure! / Pleasure!
• I know you'd do the same for me

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From https://cloudonaut.io/6-unknown-cloudformation-features-you-should-know-about

1. cfn-lint

   • yamllint Locally ensures that our yaml is correct
   • cfn-lint Locally checks if the template makes sense
   • aws cloudformation validate-template Sends the template to AWS for validation
   • todo: add more tool (python + ruby) for CF validation

2. Creation policy see https://github.com/widdix/aws-cf-templates/blob/master/ec2/ec2-auto-recovery.yaml#L560 for example

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Tools for pentests

Initially based on youtube video Bug Bounty Hunting Methodology v2 - Jason Haddix from Bugcrowd's LevelUp 2017

Discovery

• https://github.com/anshumanbh/brutesubs
• https://tools.kali.org/information-gathering/recon-ng
• https://github.com/aboul3la/Sublist3r
• Enumeration for cloudflare DNS cloudflare_enum

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+ integrate with bounce using https://serverfault.com/questions/412638/block-outgoing-mail-to-specific-address-using-postfix

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Source: https://www.digitalocean.com/community/tutorials/how-to-use-journalctl-to-view-and-manipulate-systemd-logs

# most recently used/needed: journalctl -u nginx.service
# kernel messages (the same as dmesg -T?): journalctl -k
# monitoring journalctl -f, journalctl -n 20, 

journalctl --utc
# since most recent re/boot
journalctl -b
# 

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const _ = require('lodash');

// sum of array's elements (lodash)
_.sum([4, 2, 8, 6]);
//or
[1, 2, 3, 4].reduce((a, b) => a + b, 0)

// max-min element of array
Math.max( ...arr );

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#!/usr/bin/perl
use strict;
use warnings;

# first, create your message
use Email::MIME;
my $message = Email::MIME->create(
  header_str => [
    From    => '[email protected]',
    To      => '[email protected]',

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#!/bin/bash

rm -rf /var/run/nginx-cache/*
rm -rf /home/shop_production/htdocs/var/cache/*

rm -rf /cache/catalog-cache/*
rm -rf /cache/shop-cache/*
rm -rf /cache/nginx-cache/*

# clean redis

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AWS Lambda + Node Modules, no Docker required : https://medium.com/@haydnjmorris/aws-lambda-node-modules-no-docker-required-76443a0f6c4e
Automate Custom EC2 AMIs: (python, terraform, docker): https://medium.com/devopslinks/automate-custom-ec2-amis-155af71fae7d

NEWS about JAVA + Docker:
https://blog.softwaremill.com/docker-support-in-new-java-8-finally-fd595df0ca54?gi=53e209ef5a04
https://blog.docker.com/2018/04/improved-docker-container-integration-with-java-10/

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lvextend  -L +90G /dev/exhdd/backup
btrfs: btrfs filesystem resize max /mnt/backup/