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hacking audio devices, diving caves, breaking codes

Aaron Zauner azet

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hacking audio devices, diving caves, breaking codes
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@azet
azet / numastat_dumb
Created May 23, 2019 14:47
numastat replacement - dumbed down (doesn't seem to be packaged in RHEL7)
watch -n1 --differences=cumulative cat /sys/devices/system/node/node*/numastat
@azet
azet / slabinfo
Last active May 22, 2019 11:18
human readable SLABInfo
awk '{printf "%5d MB %s\n", $3*$4/(1024*1024), $1}' < /proc/slabinfo | sort -nr | head -25
@azet
azet / sniff.rb
Last active April 3, 2019 22:56
boilerplate code for ruby packet sniffer
#!/usr/bin/env ruby
require 'packetfu'
# filter = argv[0] - tcpdump style.
# e.g. 'dst host bla.dom.tld and port http and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)'
# to cap. http traffic. or 'host W.X.Y.Z' to cap a speficic host/ip
cap = PacketFu::Capture.new(:start => true)
cap.save(:filter => ARGV[0])
@azet
azet / synchronize.sh
Last active March 28, 2019 15:11
get time offset from popular stratum 0-3 time servers (stratum 1 distribution is the biggest)
#!/bin/sh
/usr/sbin/ntpdate -qvvvb -s 10 -p 8 time.nist.gov at.pool.ntp.org pool.ntp.org ts1.aco.net ts2.aco.net asynchronos.iiss.at ntpstm.netbone-digital.com time.ufe.cz time.fu-berlin.de atom.uhr.de ntp1.nl.uu.net ntp0.nl.uu.net ntp3.usv.ro utcnist2.colorado.edu timekeeper.isi.edu clock.sjc.he.net nist1.symmetricom.com t2.timegps.net clock.isc.org clepsydra.dec.com gps.layer42.net rackety.udel.edu mizbeaver.udel.edu clock.nyc.he.net otc1.psu.edu timehost.lysator.liu.se ntp0.as34288.net ntp1.as34288.net tick.usask.ca tock.usask.ca
@azet
azet / chk_pgsql
Last active March 25, 2019 13:48
keepalived 'track_script' for PostgreSQL 'bgw_replstatus' Plugin
#!/usr/bin/env python
#
# keepalived 'track_script' for PostgreSQL 'bgw_replstatus' Plugin
#
# Author: Aaron Zauner <azet@azet.org>
# License: CC0 1.0 Public Domain (https://creativecommons.org/publicdomain/zero/1.0/)
#
import socket
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
@azet
azet / QSickChill.sh
Last active February 8, 2019 00:35
QSickChill git without https (tlsv1 unsupported by GitHub, https checkout doesn't work on old QNAP Appliances) - howto provided in the comment section
#! /bin/sh
QPKG_NAME=QSickChill
QPKG_DIR=$(/sbin/getcfg $QPKG_NAME Install_Path -f /etc/config/qpkg.conf)
PID_FILE="$QPKG_DIR/config/sickchill.pid"
DAEMON_OPTS="SickBeard.py --datadir $QPKG_DIR/config --daemon --pidfile $PID_FILE --port 7073"
# Determin Arch
ver="none"
@azet
azet / opkg-upgrade-all-installed.sh
Created December 15, 2018 20:55
[OpenWRT] opkg upgrade all installed packages (alias)
alias 'opkg-upgrade'='for x in $(opkg list-upgradable | awk "{print $1}"); do opkg upgrade $x ; done'
@azet
azet / cros_crouton-chroots-azet
Last active November 1, 2018 12:27
standard crouton/chroot setup on my chromebook pixel (2015)
#!/usr/bin/env bash
set -e -o pipefail
# if you just want/need to update run this script with (.... -u)
#[[ -z ${1} ]] && 1=""
[[ ${USER} == "chronos" ]] || exit 1
cd ~/Downloads
curl -O https://raw.githubusercontent.com/dnschneid/crouton/master/installer/crouton
Date: Tue, 5 Apr 2016 16:11:42 +0200
From: Aaron Zauner <azet@azet.org>
To: redacted <redacted@arm.co.uk>
Subject: Re: LinkedIn
Message-ID: <20160405160645.acd82bb63a@64bc86c3c218530>
References: <A3BC8318FB5EB6449FE735A962284AC30423B30C4DBB@V-ARM-MAIL1.arm1.com>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="k+w/mQv8wyuph6w0"
Content-Disposition: inline
In-Reply-To: <A3BC8318FB5EB6449FE735A962284AC30423B30C4DBB@V-ARM-MAIL1.arm1.com>