chrisswanda

keys=$(gpg-connect-agent 'keyinfo --list' /bye | awk '{print $3}')

for key in $keys; do gpg-connect-agent "delete_key $key --force" /bye; done

chrisswanda

https://duo.com/product/multi-factor-authentication-mfa

https://fukuchi.org/works/qrencode/

qrencode -l L -v 1 -o test.png 'text_input'

Example - qrencode -l L -v 1 -o GoogleText.png 'otpauth://totp/Example:alice@google.com?secret=JBSWY3DPEHPK3PXP&issuer=Example'

For standard Google Authenticator or Authy QR codes, see this example:

chrisswanda

#!/bin/bash

read -p "How many characters?   " numlen

#MacOS uses head, linux uses cat /dev/random

head /dev/urandom | LC_CTYPE=C tr -dc 'a-zA-Z0-9,;.:_#*+~!@$%&()=?{[]}|><-' | fold -w $numlen | head -n 1

chrisswanda

Mac and Linux work the same, storing the keys in ~/.gnupg. The safest way to transfer the files is using scp (part of ssh):

To copy from your local machine to another:
scp -rp ~/.gnupg othermachine:

To copy from a remote machine to your local:
scp -r othermachine:~/.gnupg ~

If you're on the machine that already has the key:

chrisswanda

$HOSTALIASES no longer works with glibc (https://bugs.launchpad.net/debian/+source/glibc/+bug/1483187)

For my project, I needed to create a user specifc hosts file.

First clone this repo - https://github.com/figiel/hosts.git

################ README #####################################

hosts - wrapper for libc which provides defining host aliases in a per-user file

chrisswanda

Install WireGuard via whatever package manager you use.  For me, I use apt.

$ sudo add-apt-repository ppa:wireguard/wireguard
$ sudo apt-get update
$ sudo apt-get install wireguard

MacOS
$ brew install wireguard-tools

Generate key your key pairs.  The key pairs are just that, key pairs.  They can be