dff to flac 변환

 ffmpeg -i input.dsf -c:a flac output.flac

 

source : https://superuser.com/questions/1720121/how-can-i-convert-dsd-file-formats-to-flac-wav-etc-with-linux 

* sacd_extract-0.3.9.3-117-linux : sacd iso extract dff

source : https://www.videohelp.com/software/sacd-extract

Enable password asterisks when run command sudo

 

Run the following command in a Terminal

sudo visudo 

Scroll down to the line that looks like this

Defaults        env_reset 

-> Defaults        env_reset,pwfeedback 

Ctrl+X , Y , enter

source : https://askubuntu.com/questions/412292/enable-password-asterisks-when-run-command-sudo/412293   

 

How do I get video thumbnails on Ubuntu

 

sudo apt install ffmpegthumbnailer

sudo vim /usr/share/thumbnailers/ffmpegthumbnailer.thumbnailer 

Exec=/usr/bin/ffmpegthumbnailer -s %s -i %i -o %o -c png -f 

file save

and rm -R ~/.cache/thumbnails 

source: https://askubuntu.com/questions/1112728/how-do-i-get-video-thumbnails-on-ubuntu-18-04-1-lts?utm_source=pocket_shared 

install google chrome on ubuntu

 1. add key

wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -

2. Set repository

echo 'deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main' | sudo tee /etc/apt/sources.list.d/google-chrome.list

3 . install package

sudo apt update
sudo apt install google-chrome-stable

source: https://askubuntu.com/questions/510056/how-to-install-google-chrome