Shannon Scott ShannonScott

## readme.md

      
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                [Transcode h265] Use ffmpeg to transcode a video to h.265 / hvc1 which will play natively on a Mac (and Linux). #tags: video, python, ffmpeg
              
          
    Transcode Video to h.265

Links


How to generate an MP4 with H.265 codec using FFmpeg?
H.265 HEVC support in High Sierra
Converting WebM to MP4 Using FFmpeg

What seems to work


## Notes on using ffmpeg or ffprobe.md

      
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                [FFMPEG / FFPROBE Notes] Notes on using ffmpeg or ffprobe. #tags: ffmpeg, notes, video
              
          
    Notes on using FFMPEG and FFPROBE

Count frames in a video

Get reported number of frames

Get the reported and actual number of frames in a video.
Note: I recently found a video that reported having 2985 frames, but actually only had 29 frames, which were all keyframes.

  
## Video Screen Capture with GStreamer.md

      
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                / Video Screen Capture with GStreamer.md
            
            
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              October 30, 2019 16:28
            
              
                [Video Screen Capture with GStreamer] Capture a Linux desktop window video with gsteramer. #tags: gstreamer, linux, xwindows, video
              
          
    Capture a video of a given X Window with gstreamer.
X Window ID

Get the target window ID with the following:

xwininfo

  
## Python Copy Text to Clipboard (Linux).md

      
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                / Python Copy Text to Clipboard (Linux).md
            
            
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              October 11, 2019 22:14
            
              
                [Python Copy Text to Clipboard] Copy Text to the Linux / X Clipboard. #tags: linux, python
              
          
    Copy Text to the Linux / X Clipboard

from subprocess import Popen, PIPE

def copy_clipboard(msg):
    ''' Copy `msg` to the clipboard '''
    with Popen(['xclip','-selection', 'clipboard'], stdin=PIPE) as pipe:
        pipe.communicate(input=msg.encode('utf-8'))

  
## readme.md

      
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                [Moving efficiently in the CLI] Key-combination reference for movement in the shell. #tags: mac, linux, bash
              
          
    Moving efficiently in the CLI

Copied from: Moving efficiently in the CLI
Github: clementC/my_blog/content/figures/moving_cli.png


## nvidia_gpu_list.sh
#!/bin/bash
# Get a list of GPUs in a system
#
# Useful nvidia-smi Queries
# https://nvidia.custhelp.com/app/answers/detail/a_id/3751/~/useful-nvidia-smi-queries

# Get GPU names as a bach array, replace spaces with underscores
gpu_names=($(nvidia-smi --query-gpu=gpu_name --format=csv,noheader | tr -s ' ' '_'))

for name in "${gpu_names[@]}"

## Install Anaconda Environment for Jupyter.md

      
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                / Install Anaconda Environment for Jupyter.md
            
            
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              September 2, 2021 22:24
            
              
                [Install Anaconda Environment for Jupyter] Make a conda environment available in Jupyter #tags: jupyter, python, anaconda
              
          
    source activate myenv
python -m ipykernel install --user --name myenv --display-name "Python (myenv)"
Found here: Conda environments not showing up in Jupyter Notebook
Notes


Make sure you install jupyter in the environment to be added.


## rpi_sd_card_backup.md

      
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              July 7, 2020 22:59
            
              
                [RPi SD Card Backup] Backup the SD card from a Raspberry Pi from a Mac. #tags: mac, raspberrypi
              
          
    Backup SD card to Mac

List devices

diskutil list
Copy SD card to Mac


## aws_notes.md

      
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                / aws_notes.md
            
            
              Created
              April 28, 2020 21:25
            
              
                [AWS Notes] Notes on AWS. #tags: aws
              
          
    General AWS Notes

Get EC2 instance type

Get the EC2 instance type from within an EC2 instance.
Modified from Getting the AWS instance ID from within the EC2 instance.
curl http://169.254.169.254/latest/meta-data/instance-type

  
## MacOS Software Raid Notes.md

      
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                / MacOS Software Raid Notes.md
            
            
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              April 23, 2020 14:57
            
              
                [MacOS Software Raid Notes] Notes on using software RAID on a Mac. #tags: mac
              
          
    Check RAID health

diskutil appleRAID list
Get disk status

diskutil info disk0
	#!/bin/bash
	# Get a list of GPUs in a system
	#
	# Useful nvidia-smi Queries
	# https://nvidia.custhelp.com/app/answers/detail/a_id/3751/~/useful-nvidia-smi-queries

	# Get GPU names as a bach array, replace spaces with underscores
	gpu_names=($(nvidia-smi --query-gpu=gpu_name --format=csv,noheader \| tr -s ' ' '_'))

	for name in "${gpu_names[@]}"