ffmpeg is a fast video and audio converter that can also grab from a live audio/video source.
- -h show all options
- -h(elp) topic show help
- -version show version
- -formats show available formats
| # -------------------------------------------------------------------- | |
| # Recursively find pdfs from the directory given as the first argument, | |
| # otherwise search the current directory. | |
| # Use exiftool and qpdf (both must be installed and locatable on $PATH) | |
| # to strip all top-level metadata from PDFs. | |
| # | |
| # Note - This only removes file-level metadata, not any metadata | |
| # in embedded images, etc. | |
| # | |
| # Code is provided as-is, I take no responsibility for its use, | 
| /* | |
| Copy this into the console of any web page that is interactive and doesn't | |
| do hard reloads. You will hear your DOM changes as different pitches of | |
| audio. | |
| I have found this interesting for debugging, but also fun to hear web pages | |
| render like UIs do in movies. | |
| */ | |
| const audioCtx = new (window.AudioContext || window.webkitAudioContext)() | 
| set -e | |
| yay -S docker | |
| sudo usermod -aG docker $USER | |
| newgrp docker | |
| sudo systemctl enable docker | |
| sudo systemctl start docker | 
| #include <time.h> // Robert Nystrom | |
| #include <stdio.h> // @munificentbob | |
| #include <stdlib.h> // for Ginny | |
| #define r return // 2008-2019 | |
| #define l(a, b, c, d) for (i y=a;y\ | |
| <b; y++) for (int x = c; x < d; x++) | |
| typedef int i;const i H=40;const i W | |
| =80;i m[40][80];i g(i x){r rand()%x; | |
| }void cave(i s){i w=g(10)+5;i h=g(6) | |
| +3;i t=g(W-w-2)+1;i u=g(H-h-2)+1;l(u | 
This focuses on generating the certificates for loading local virtual hosts hosted on your computer, for development only.
Do not use self-signed certificates in production ! For online certificates, use Let's Encrypt instead (tutorial).
This example is part of this article.
This is an example for an HLS delivery with basic security. Nginx compiled with nginx-rtmp-module & secure-link is used as media server. Features:
%title: Kubeception %author: @dghubble
// Youtube: https://www.youtube.com/watch?v=tlUiQa2JYQU
-> Experiments with QEMU/KVM on Kubernetes <-