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# Set ownership to your own user and primary group
chown -R "$USER:$(id -gn)" ~/.gnupg
# Set permissions to read, write, execute for only yourself, no others
chmod 700 ~/.gnupg
# Set permissions to read, write for only yourself, no others
chmod 600 ~/.gnupg/*

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#!/bin/bash

sudo apt-get update -y

sudo apt-get install -y  git libxcb1-dev libssl-dev zlib1g-dev cmake python3 cargo

git clone https://github.com/jmacdonald/amp.git

cd amp

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# MacOS smartcard

List tokens available in the system

	pluginkit -m -p com.apple.ctk-tokens

ex: com.apple.CryptoTokenKit.setoken(1.0)
com.apple.CryptoTokenKit.pivtoken(1.0)

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Ubuntu 18.04 installation with LUKS and LVM

Installation Process

Pre-installation from live OS

This setup of Ubuntu with LUKS and LVM is tested on Ubuntu 18.04.

Boot Ubuntu from a Live OS and select the option to try Ubuntu without installing. Follow the steps I've outlined below. Let's assume you're installing to /dev/nvme0n1.

1. Partition the drive with your tool of choice: I used gparted to set mine up.

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#
# This file MUST be edited with the 'visudo' command as root.
#
# Please consider adding local content in /etc/sudoers.d/ instead of
# directly modifying this file.
#
# See the man page for details on how to write a sudoers file.
#
Defaults	env_reset
Defaults	mail_badpass

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# -*- coding: utf-8 -*-
from bottle import route, run


@route('/')
def index():
    return '<h1>Hello World/h1>'


run(host='localhost', port=8000)

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Command-line arguments in Python show up in sys.argv as a list of strings (so you'll need to import the sys module).

For example, if you want to print all passed command-line arguments:

import sys
print(sys.argv)  # Note the first argument is always the script filename.

Command-line options are sometimes passed by position (e.g. myprogram foo bar) and sometimes by using a "-name value" pair (e.g. myprogram -a foo -b bar).

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Inspired by this article. Neat tricks for speeding up integer computations.

Note: cin.sync_with_stdio(false); disables synchronous IO and gives you a performance boost. If used, you should only use cin for reading input (don't use both cin and scanf when sync is disabled, for example) or you will get unexpected results.

Multiply by a power of 2

x = x << 1; // x = x * 2

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tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

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Default

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