milabs

# Install ARCH Linux with encrypted file-system and UEFI
# The official installation guide (https://wiki.archlinux.org/index.php/Installation_Guide) contains a more verbose description.

# Download the archiso image from https://www.archlinux.org/
# Copy to a usb-drive
dd if=archlinux.img of=/dev/sdX bs=16M && sync # on linux

# Boot from the usb. If the usb fails to boot, make sure that secure boot is disabled in the BIOS configuration.

# Set swedish keymap

milabs

#!/bin/bash

out="out"
[[ $1 ]] && out="$1"
mkdir -p $out

echo "## Creating self-signed certificate -> {$out}"
openssl req  -nodes -new -x509-keyout ${out}/server.key -out ${out}/server.crt

milabs

1) source

  ffmpeg -fflags nobuffer -re -f alsa -i hw:0,0 -c:a nellymoser -ar 11025 -ab 8k -ac 1 -f flv rtmp://${SERVER}/1

2) listen

  ffplay -probesize 32 rtmp://127.0.0.1/live/1

3) server

milabs

#!/usr/bin/perl -w

use strict;
no warnings 'once';

my $cmd = "ffplay -nodisp -loglevel info rtsp://SERVER/live";

pipe( READER, WRITER ) ;

my $child = open READER, '-|';

milabs

#include "TRObject.h"

TRObject& TRObject::operator[](const QString& key)
{
	if (type() == QVariant::Map)
		return keyValue<QVariantMap>(this, key);
	else if (type() == QVariant::Hash)
		return keyValue<QVariantHash>(this, key);

	setValue(QVariantMap());

milabs

use URI::Fetch;
use Cache::File;
use HTTP::Status qw(:constants);

$url = 'http://127.0.0.1:8080/media/snapshot.json.gz';

$cache = Cache::File->new(cache_root => '/tmp/cache');
$response = URI::Fetch->fetch($url, ForceResponse => 1, Cache => $cache);

if ($response->http_status == HTTP_OK) {

milabs

/*
 * memset_volatile is a volatile pointer to the memset function.
 * You can call (*memset_volatile)(buf, val, len) or even
 * memset_volatile(buf, val, len) just as you would call
 * memset(buf, val, len), but the use of a volatile pointer
 * guarantees that the compiler will not optimise the call away.
 */
void * (* volatile memset_volatile)(void *, int, size_t) = memset;

milabs

Q: Where to get debug symbols for kernel X?

A: http://ddebs.ubuntu.com/pool/main/l/linux/

codename=$(lsb_release -c | awk  '{print $2}')
sudo tee /etc/apt/sources.list.d/ddebs.list << EOF
deb http://ddebs.ubuntu.com/ ${codename}      main restricted universe multiverse
deb http://ddebs.ubuntu.com/ ${codename}-security main restricted universe multiverse
deb http://ddebs.ubuntu.com/ ${codename}-updates  main restricted universe multiverse
deb http://ddebs.ubuntu.com/ ${codename}-proposed main restricted universe multiverse

milabs

# echo "chromium-browser hold" | sudo dpkg --set-selections
# dpkg --get-selections | grep chromium...
# echo "chromium-browser install" | sudo dpkg --set-selections

milabs

git format-patch --cover-letter --attach --stdout -2 --subject-prefix="..." --to=<...> | formail -ds >> $HOME/.thunderbird/k350j4w1.default/Mail/Local\ Folders/Drafts