varnav

#!/bin/bash

HASH=$(echo -n "$1" | sha256sum | awk '{print $1}')

if [ -f "/tmp/${HASH}.sln" ]; then
    echo "EXEC PLAYBACK /tmp/${HASH}"
    exit 0
fi

cat << EOF > /tmp/${HASH}.json

varnav

[yasay]
; Configuration variables
exten => s,1,Set(SPEAKER=jane)
    same => n,Set(EMOTION=neutral)
    same => n,Set(API_KEY=useyourown)
    same => n,Set(CACHE_DIR=/tmp)

; Generate MD5 hash of the text
    same => n,Set(MD5_HASH=${MD5("${ARG1}")})
    same => n,Set(FILE_PATH=${CACHE_DIR}/${MD5_HASH})

varnav

# 1.1.4 Ensure nodev option set on /tmp partition
# 1.1.5 Ensure nosuid option set on /tmp partition
if node['filesystem']['by_mountpoint']['/tmp'] and node['platform_version'] >= 7
  mount '/tmp' do
    device node['filesystem']['by_mountpoint']['/tmp']['device']
    fstype node['filesystem']['by_mountpoint']['/tmp']['fs_type']
    # https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/storage_administration_guide/sect-using_the_mount_command-mounting
    options 'defaults,noquota,nodev,nosuid'
    action [:remount, :enable]
  end

varnav

#!/usr/bin/env python3

import ssl
import socket
import datetime

class bcolors:
    HEADER = '\033[95m'
    OKBLUE = '\033[94m'
    OKCYAN = '\033[96m'

varnav

#!/bin/bash -ex

# Script will install multiple ADS-B feeders to ARM64 microcomputers like Orange Pi
# Before running make sure you have your coordinates (lat/lon in a form of DD.DDDD) and antenna height (in both feet and m) handy.
# https://discussions.flightaware.com/t/package-install-of-piaware-ver-7-2-on-arm64-aarch64-and-amd64-x86-64-machines/81136/4

if [ "$EUID" -ne 0 ]
  then echo "Please run as root"
  exit
fi

varnav

# /etc/systemd/system/vdlm2dec.service

[Unit]
Description=Runs vdlm2dec as a service
After=network-online.target
Wants=network-online.target

[Service]
Type = exec
ExecStart=/usr/local/bin/vdlm2dec -q -G -i JD-KJFK0-VDL2 -j feed.acars.io:5555 -r 0 136.650 136.800 136.975

varnav

#!/bin/bash -ex

# This script will install number of feeders to receive, decode and feed ACARS and VDL messages
# Optimized for Raspberry Pi
# See: https://app.airframes.io/about

if [ "$EUID" -ne 0 ]
  then echo "Please run as root"
  exit
fi

varnav

apt update
apt remove docker docker-engine docker.io containerd runc
apt install -y apt-transport-https ca-certificates curl software-properties-common gnupg curl lsb-release
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
apt update
apt install -y docker-ce docker-ce-cli containerd.io mc fail2ban htop git iotop lsof ufw docker-compose
systemctl status docker

ufw allow ssh

varnav

#!/bin/bash -ex

# Script will install multiple ADS-B feeders to Raspberry Pi OS
# Before running make sure you have your coordinates (lat/lon in a form of DD.DDDD) and antenna height (in both feet and m) handy.

if [ "$EUID" -ne 0 ]
  then echo "Please run as root"
  exit
fi

varnav

#!/usr/bin/env python3

# This script will find out what strong messages percentage is and
# advise you to tune gain to keep it in range from 0.5% to 5%.

# Can be used as one-liner on some systems:
# python3 <(curl -s https://gist.githubusercontent.com/varnav/b16a8a47a1d8933cf78a5cdf7d7aa24e/raw/811afe852797845931b528e8e82f13b45c864ed4/gain-advisor.py)

# Evgeny Varnavskiy 2021
# https://gist.github.com/varnav/