Jiri Hnidek jirihnidek

I work as software engineer in Red Hat since 2017. I worked at Technical University of Liberec as a Research and Teaching Fellow from 2005 to 2017.

jirihnidek / wip_dmidecode_output.json

Created July 3, 2023 16:06

WIP: output of dmidecode --json

	{
	"data":[
	{
	"header":{
	"handle":0,
	"type":0,
	"length":24
	},
	"description":"BIOS Information",
	"values":{

jirihnidek / dmidecode_output.json

Created June 23, 2023 14:24

Example of "dmidecode --json | python -m json.tool"

	{
	"BIOS Information": {
	"Vendor": "SeaBIOS",
	"Version": "1.16.2-1.fc38",
	"Release Date": "04/01/2014",
	"Address": "0xE8000",
	"Runtime Size": "96 kB",
	"ROM Size": "64 kB",
	"Characteristics:": [
	"BIOS characteristics not supported",

jirihnidek / flock_example.py

Created June 21, 2021 13:56

File locking using fcntl.flock using Python

	"""
	Example of using fcntl.flock for locking file. Some code inspired by filelock module.
	"""

	import os
	import fcntl
	import time


	def acquire(lock_file):

jirihnidek / sub-sub-command.py

Last active May 12, 2025 03:36

Python example of using argparse sub-parser, sub-commands and sub-sub-commands

	"""
	Example of using sub-parser, sub-commands and sub-sub-commands :-)
	"""

	import argparse


	def main(args):
	"""
	Just do something

jirihnidek / register_system.sh

Created July 1, 2020 08:35

	#!/bin/bash

	echo "reseting config file..."
	cp /etc/rhsm/rhsm.conf.default /etc/rhsm/rhsm.conf

	echo "restarting rhsm.service..."
	systemctl restart rhsm.service

	# Set new variables using D-Bus API
	echo "changing configuration..."

jirihnidek / singleton.py

Last active February 3, 2020 18:01

Python singleton

	class Singleton(object):
	"""
	Singleton and parent for singletons
	"""

	_instance = None
	_initialized = False

	def __new__(cls, args, *kwargs):
	"""

jirihnidek / CMakeLists.txt

Created February 27, 2019 13:30

Libdnf plugin

	CMAKE_MINIMUM_REQUIRED (VERSION 3.11.2)

	project(example C)

	include(GNUInstallDirs)

	set(CMAKE_C_STANDARD_REQUIRED ON)
	set(CMAKE_C_STANDARD 11)

	# Build type

jirihnidek / client_multi_process.py

Created May 29, 2018 16:06

Multi-threaded vs multi-process vs serial https client

	#!/usr/bin/env python

	import requests
	import time
	import copy
	from multiprocessing import Process

	from data import URLS

	def send_request(num, url):

jirihnidek / example_res_reset.py

Created May 29, 2017 12:51

Example of reseting resolver using D-Bus, NetworkManager and ctypes

	from __future__ import print_function
	import dbus
	import dbus.mainloop.glib
	from gi.repository import GLib
	import threading
	import time
	import socket
	import ctypes

	try:

jirihnidek / getaddrinfo_example.c

Last active February 9, 2025 12:12

Example of getaddrinfo() program.