Bob Tseng yenho

## ffmpeg.md

      
              1 file
            
          
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                yenho
                / ffmpeg.md
            
            
              Created
              October 27, 2020 08:25
                — forked from protrolium/ffmpeg.md
            
              
                ffmpeg guide
              
          
    ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:

ffmpeg -i input.mp3 output.wma
You can get the list of supported formats with:

ffmpeg -formats
Convert WAV to MP3, mix down to mono (use 1 audio channel), set bit rate to 64 kbps and sample rate to 22050 Hz:

  
## jupyter_systemd
# After Ubuntu 16.04, Systemd becomes the default.
# It is simler than https://gist.github.com/Doowon/38910829898a6624ce4ed554f082c4dd

[Unit]
Description=Jupyter Notebook

[Service]
Type=simple
PIDFile=/run/jupyter.pid
ExecStart=/usr/local/bin/jupyter notebook --no-browser --config=/home/jail/home/notebook/.jupyter/jupyter_notebook_config.py

## tmux_cheatsheet.markdown

      
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                yenho
                / tmux_cheatsheet.markdown
            
            
              Created
              August 6, 2019 05:57
                — forked from henrik/tmux_cheatsheet.markdown
            
              
                tmux cheatsheet
              
          
    tmux cheatsheet

As configured in my dotfiles.
start new:
tmux

start new with session name:

  
## tmux-cheatsheet.markdown

      
              1 file
            
          
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                yenho
                / tmux-cheatsheet.markdown
            
            
              Created
              July 3, 2019 08:45
                — forked from MohamedAlaa/tmux-cheatsheet.markdown
            
              
                tmux shortcuts & cheatsheet
              
          
    tmux shortcuts & cheatsheet

start new:
tmux

start new with session name:
tmux new -s myname


## rPi3-ap-setup.sh
#!/bin/bash
#
# This version uses September 2017 august stretch image, please use this image
#

if [ "$EUID" -ne 0 ]
	then echo "Must be root"
	exit
fi

## config-docker.sh
#!/bin/bash
#
#This script assumes very little other than a fresh Ubuntu install (using the Windows store) on Win10 1709 or newer with WSL installed already
#In Powershell, run the following to install WSL and Ubuntu
#
#Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Windows-Subsystem-Linux
#Invoke-WebRequest -Uri https://aka.ms/wsl-ubuntu-1604 -OutFile ~/Ubuntu.zip -UseBasicParsing
#Expand-Archive ~/Ubuntu.zip ~/Ubuntu
#~/Ubuntu/ubuntu.exe
#
	# After Ubuntu 16.04, Systemd becomes the default.
	# It is simler than https://gist.github.com/Doowon/38910829898a6624ce4ed554f082c4dd

	[Unit]
	Description=Jupyter Notebook

	[Service]
	Type=simple
	PIDFile=/run/jupyter.pid
	ExecStart=/usr/local/bin/jupyter notebook --no-browser --config=/home/jail/home/notebook/.jupyter/jupyter_notebook_config.py
	#!/bin/bash
	#
	# This version uses September 2017 august stretch image, please use this image
	#

	if [ "$EUID" -ne 0 ]
	then echo "Must be root"
	exit
	fi
	#!/bin/bash
	#
	#This script assumes very little other than a fresh Ubuntu install (using the Windows store) on Win10 1709 or newer with WSL installed already
	#In Powershell, run the following to install WSL and Ubuntu
	#
	#Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Windows-Subsystem-Linux
	#Invoke-WebRequest -Uri https://aka.ms/wsl-ubuntu-1604 -OutFile ~/Ubuntu.zip -UseBasicParsing
	#Expand-Archive ~/Ubuntu.zip ~/Ubuntu
	#~/Ubuntu/ubuntu.exe
	#