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Thomas Schulte cupracer

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  • NRW, Germany
  • 10:33 (UTC +02:00)
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cupracer / window-open-notify-homematic.yaml
Last active October 22, 2023 12:25 — forked from sotatech/window-open-notify-homematic.yaml
Notify HomeMatic when a window is open.
blueprint:
name: Heizkoerpertemperatur bei geoeffnetem Verschluss absenken
description:
An automation blueprint that reduces the set temperature of your climate
device or group if a contact sensor is open for more than the preset wait time.
It uses the Homematic window sensor channel to set the temperature to the "Open-window
temperature" set in the device configuration. You should set the "Mode for temperature
fall detection" to Inactive to avoid conflicts. It waits until the contact is closed
again in order to restore the climate entity temperature. It has an optional blocking
entity to prevent the automation running unnecessarily, for example during the
@cupracer
cupracer / simple_image_walk.sh
Created August 23, 2022 08:49
Get all steps used during container image building (aka Dockerfile instructions)
#!/bin/bash
IMAGE=$1
PARENT=$IMAGE
declare -a RESULTS REV_RESULTS
while [ -n "${PARENT}" ]; do
JSON=$(docker inspect $PARENT |jq .)
RESULTS+=("$(echo $JSON | jq '.[0]'.ContainerConfig.Cmd)")
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cupracer / read-udev-multipath-events.py
Last active June 13, 2022 09:27
Read specific multipath events from systemd-udevd.service via systemd-journal
#!/usr/bin/env python3
#
# use with:
# udevadm control --log-level=debug
#
# example output:
#
# ACTIVE: 0, STARTED: 142, SUCCEEDED: 142, BURSTS: 0, LONGEST: 0.366994 secs (device: dm-18, start: 11:22:09.099568, end: 11:22:09.466562)
# Burst detected. Resetting.
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cupracer / test.php
Created August 24, 2021 20:49
Don't compare float values in PHP!
<?php
$a = 0.20;
// Test 1:
$b = 1 - 0.80; // 0.20
if ($a == $b) {
echo "true";
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cupracer / dates.sh
Created July 26, 2021 18:34
Generate dates in Bash
#!/bin/bash
# Simple one-liner to increase and print dates. To be used in scripts.
# Current command starts today and prints next 100 dates.
#
# Output:
# 2021-07-26
# 2021-07-27
# 2021-07-28
# ...
@cupracer
cupracer / timestamp.py
Last active April 20, 2021 09:13
Calculate timestamps by adding or subtracting seconds
#!/usr/bin/python3
import sys
import re
from datetime import datetime, timedelta
if not len(sys.argv) == 4:
print('\n * usage: ' + sys.argv[0] + ' %Y-%m-%d-%H:%M[:%S] add|sub #seconds\n')
exit(1)
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cupracer / list-rpms-with-doc-excluded.sh
Created November 17, 2020 13:23
List all installed RPM packages which were installed without docs
for i in $(rpm -qa);
do
rpm -qs $i | grep -q "not installed" && test $(rpm -qlc $i | wc -l) -ne 0 && echo $i
done
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cupracer / dead-man-switch.sh
Last active August 26, 2020 14:20
setup a watchdog which triggers a kernel panic if the script gets stuck
#!/bin/bash
KERNEL_MODULE=softdog
WATCHDOG_DEVICE=/dev/watchdog
LOGFILE=/deadmancheck.log
WATCHDOG_TIMEOUT=30
SLEEPTIMER=3
####
@cupracer
cupracer / monitor-logfile-and-react-on-hits.sh
Last active June 10, 2022 08:28
Simple logfile monitor which counts occurrences of a string and reacts after n hits
#!/bin/bash
USE_SYSTEMD_JOURNAL=0
LOGFILE=/var/log/snapper.log
WAIT_FOR_HITS=3
SEARCH_TERM="test 123"
################
if [ ${USE_SYSTEMD_JOURNAL} -lt 1 ] && ! [ -r ${LOGFILE} ]; then
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cupracer / httpd.conf
Created April 10, 2020 07:59
Apache config to redirect all requests to a static page (status 503 - Service Unavailable)
RewriteEngine On
RewriteCond %{DOCUMENT_ROOT}/static.html -f
RewriteCond %{SCRIPT_FILENAME} !static.html
RewriteRule ^.*$ /static.html [R=503,L]
ErrorDocument 503 /static.html