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curl ifconfig.me

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# Run the last command as root
sudo !!
# Serve current directory tree at http://$HOSTNAME:8000/
python -m SimpleHTTPServer
# Save a file you edited in vim without the needed permissions
:w !sudo tee %
# change to the previous working directory
cd -
# Runs previous command but replacing
^foo^bar

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.php
.html
.txt
.htm
.aspx
.asp
.js
.css
.pgsql.txt
.mysql.txt

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Nmap Cheat Sheet

src: https://www.stationx.net/nmap-cheat-sheet

Target Specification

| Switch | Example | Description |

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# -*- encoding: utf-8 -*-
# requires a recent enough python with idna support in socket
# pyopenssl, cryptography and idna

from OpenSSL import SSL
from cryptography import x509
from cryptography.x509.oid import NameOID
import idna

from socket import socket

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How to setup your own CA with OpenSSL

For educational reasons I've decided to create my own CA. Here is what I learned.

First things first

Lets get some context first.