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FFmpeg cheat sheet

A list of useful commands for the FFmpeg command line tool.

Download FFmpeg: https://www.ffmpeg.org/download.html

Full documentation: https://www.ffmpeg.org/ffmpeg.html

Basic conversion

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FFmpeg Cheat Sheet

A list of useful commands for the ffmpeg command line tool.

Full documentation: https://www.ffmpeg.org/ffmpeg.html

Basic conversion

ffmpeg -i input.mp4 output.mkv

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About

Summarizing the instructions of the pass tool (as seen on its website).

Getting Started

Installation

Execute: $ sudo apt install pass

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hello world!

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# Note: This will only work on Navi21 GPUs (6800/6900+).
# See: https://github.com/RadeonOpenCompute/ROCm/issues/1668#issuecomment-1043994570

# Install Conda (latest from https://docs.conda.io/en/latest/miniconda.html#linux-installers)
wget https://repo.anaconda.com/miniconda/Miniconda3-py39_4.12.0-Linux-x86_64.sh
bash Miniconda3-py39_4.12.0-Linux-x86_64.sh
# follow the prompts to install it, and run `conda` to make sure it's working.

# Install git and curl, and clone the stable-diffusion repo
sudo apt install -y git curl

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reminders

-remindme 14m35s @izzi#9752 rd bt all hidebt

-remindme 10m @izzi#9752 rd bt hidebt

-remindme 5m @izzi#9752 rd bt hidebt

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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p ffmpeg pngquant gifski gifsicle
# shellcheck shell=bash
set -euo pipefail

if [[ "$#" -ne 3 ]]; then
  echo "Usage: gif.sh <name> <scale> <fps>"
  exit 1
fi

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Stuff to make gifs

Meshing gif

Here I used glob style input. I also had to pad because the image height was odd

ffmpeg -framerate 10 -pattern_type glob -i '*.jpg' -vf "pad=ceil(iw/2)*2:ceil(ih/2)*2" out.gif

ffmpeg -framerate 20 -pattern_type glob -i '*.jpg' -vf "scale=trunc(iw/4)*2:trunc(ih/4)*2" out.gif

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How to install and configure Caddy, a modern web server, running as a service on CentOS 6.8. You will also obtain a free SSL-Certificate for a website automatically.

This is in-depth guide how to install a modern web server named Caddy as service, that running from regular unprivileged user. You will also obtain a Free SSL-Certificate for a Website automatically.

Why Caddy?

Apache and Nginx are the two most common web servers in the world. Apache is a classical solution, but due to it's memory consumption (because to it's nature of creating a new process for each request) we will leave it for another occasion. Nginx is very fast and the RAM consumption is very-very low, if we need to serve static pages. But Nginx's configuration is not to easy read and understand, this is why we will try more flexible and clear solution, which is more intended for newbies.

Caddy is written is Go, open-source and pretty fast web server. If you're looking for low-memory solution the Cadd

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For Windows 10

Step 1 - Open PowerShell or Command Prompt as administrator

Step 2 - Install KMS client key

slmgr /ipk your_license_key

Replace your_license_key with following volumn license keys according to Windows Edition: