metalefty

tcp = rt.socket.tcp()
tcp:setoption("reuseaddr", true)
res, err = tcp:bind("0.0.0.0", 3800)

if not res and err then
  print(err)
  os.exit(1)
end

res, err = tcp:listen()

metalefty

#!/bin/sh

set -e
PROWL_APIKEY=

for IFACE in $@
do
        curl -s  \
                --retry 20 --retry-delay 3 \
                https://api.prowlapp.com/publicapi/verify?apikey=${PROWL_APIKEY} > /dev/null

metalefty

sudo modprobe ftdi-sio

echo "ftdi-sio" > /etc/modules-load.d/ftdi-sio.conf
sudo sh -c 'echo "0411 00b3" > /sys/bus/usb-serial/drivers/ftdi_sio/new_id'
apt install  	libdevice-serialport-perl 

metalefty

$ su -
# pkg install sudo portmaster
# echo "%wheel ALL=(ALL) NOPASSWD: ALL" > /usr/local/etc/sudoers.d/wheel
$ sudo portsnap auto
$ sudo chsh -s /usr/local/bin/zsh ec2-user

metalefty

# 名前付きパイプを作る
mkfifo burning_stderr

# grep を待機させておく
grep PATTERN < burning_stderr

# 別ターミナルで標準エラー出力を名前付きパイプに突っ込む
foobar 2>burning_stderr

metalefty

% drill marugame-seimen.com any
;; ->>HEADER<<- opcode: QUERY, rcode: NXDOMAIN, id: 47276
;; flags: qr rd ra ; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;; marugame-seimen.com. IN      TYPE255

;; ANSWER SECTION:

;; AUTHORITY SECTION:
com.    895     IN      SOA     a.gtld-servers.net. nstld.verisign-grs.com. 1474355876 1800 900 604800 86400

metalefty

#!/usr/local/bin/bash

function deploy_challenge {
    local DOMAIN="${1}" TOKEN_FILENAME="${2}" TOKEN_VALUE="${3}"
    cli53 rrcreate --wait --replace ${DOMAIN#*.} "_acme-challenge.${DOMAIN%%.*} 10 TXT ${TOKEN_VALUE}"
}

function clean_challenge {
    local DOMAIN="${1}" TOKEN_FILENAME="${2}" TOKEN_VALUE="${3}"
    cli53 rrdelete ${DOMAIN#*.} _acme-challenge.${DOMAIN%%.*} TXT

metalefty

#!/bin/sh
#
# The MIT License (MIT) https://opensource.org/licenses/MIT
# Copyright (c) 2016 Koichiro IWAO <meta@vmeta.jp>

if [ -z "$1" ]; then
  echo "Usage: $0 interface" 1>&2
  exit 1
fi

metalefty

# check if the system is using systemd or not
[ "$(pgrep -o systemd)" = "1" ] && \
  USING_SYSTEMD=false || \
  USING_SYSTEMD=true
  
if $USING_SYSTEMD
then
  # systemd だったときに実行するコマンド
else
  # systemd じゃなかったときに実行するコマンド

metalefty

(traceroute -Ia は省略)
From: [AS2497] fukuoka03-z01.flets.2iij.net (210.148.39.54)

$ ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8): 56 data bytes
64 bytes from 8.8.8.8: icmp_seq=0 ttl=55 time=18.221 ms
64 bytes from 8.8.8.8: icmp_seq=1 ttl=55 time=18.270 ms

$ ping speedtest.dmmlabs.jp # tokyo 
PING speedtest.dmmlabs.jp (202.6.247.208): 56 data bytes