Adrian Polyakov qwertyadrian

Enable PipeWire on Ubuntu 22.04

This guide is only for original Ubuntu out-of-the-box packages. If you have added a custom PPA like pipewire-debian, you might get into conflicts.

Ubuntu 22.04 has PipeWire partially installed and enabled as it's used by browsers (WebRTC) for recoding the screeen under Wayland. We can enable remaining parts and use PipeWire for audio and Bluetooth instead of PulseAudio.

Starting from WirePlumber version 0.4.8 automatic Bluetooth profile switching (e.g. switching from A2DP to HSP/HFP when an application needs microphone access) is supported. Jammy (22.04) repos provide exactly version 0.4.8. So, we're good.

Based on Debian Wiki, but simplified for Ubuntu 22.04.

Linux Mail Server

In this guide, I will show you how to make a Linux Mail Server in fast and easy way. This guide was taken from tiq's tech-blog for recent version, Linux distro I using is Ubuntu 20.04 LTS

Certificate

Make sure you have Certificate and Key file ready to use.

You can use existing Web Server SSL certificate, since we going to use same domain, example.com.

If you plan to use mx.example.com or mail.example.com you need create another one for these.

Go to the video url you want to download
Open devtools into browser (ctrl+shift+i in firefox)
Show the network tab
Reload tab with video and look into devtools
Find line with text 1080p.m3u8 and copy url (like: https://edge-7.facecast.net/secure/VgTub-XSFSFFSFSF/DFSDGDSGDSGGD-pyJiOPQ/34634636/4367546/235235/1080p.m3u8)

Download and install Streamlink
Open console and execute: streamlink hls://URL_FROM_STEP_5 best -o video1080p.ts

	from pyrogram import Client, filters

	app = Client('CONVERSATION_EXAMPLE')

	conversations = {}
	infos = {}

	def conv_filter(conversation_level):
	def func(_, __, message):
	return conversations.get(message.from_user.id) == conversation_level

	#!/bin/sh
	# VKontakte *m3u8 downloader
	# Worked at the time of writing

	mkdir /tmp/m3u8

	set -e -x
	cd /tmp/m3u8
	rm *

	#!/bin/bash

	gif=$1
	out="${gif%.gif}.webm"
	echo "converting $gif to $out"
	ffmpeg -y -i $gif -r 16 -c:v libvpx -quality good -cpu-used 0 -b:v 500K -crf 12 -pix_fmt yuv420p -movflags faststart $out

	// NOTE: For the sake of practice, STL/stdlib helpers are not used, just std::string for memory management.

	#include <string>
	using std::string;

	// Convert arbitrary base to base 10
	// - Input must be valid number in the given base
	// - Base must be between 2 and 36
	// - If input or base are invalid, returns 0
	long ConvertTo10(const string& input, int base)

	1. Получаем хэш-код коммита, к которому хотим вернуться.
	2. Заходим в папку репозитория и пишем в консоль:

	$ git reset --hard a3775a5485af0af20375cedf46112db5f813322a
	$ git push --force

	server {
	listen 80;
	listen [::]:80;
	server_name radio.example.com;
	proxy_set_header Host $host;
	proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
	proxy_set_header X-Forwarded-Host $host;
	proxy_set_header X-Forwarded-Server $host;
	proxy_set_header X-Real-IP $remote_addr;
	location / {

	# -- coding: utf-8 --

	# Form implementation generated from reading ui file 'threading_design.ui'
	#
	# Created: Thu Aug 6 13:47:18 2015
	# by: PyQt4 UI code generator 4.10.4
	#
	# WARNING! All changes made in this file will be lost!

	from PyQt4 import QtCore, QtGui