tinyapps

## xz-backdoor.md

      
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                thesamesam
                / xz-backdoor.md
            
            
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              May 31, 2024 14:15
            
              
                xz-utils backdoor situation (CVE-2024-3094)
              
          
    FAQ on the xz-utils backdoor (CVE-2024-3094)

This is a living document. Everything in this document is made in good
faith of being accurate, but like I just said; we don't yet know everything
about what's going on.
Background

On March 29th, 2024, a backdoor was discovered in
xz-utils, a suite of software that

  
## rename.sh
# Install it with Homebrew.
brew install rename

# Replace "oldstring" with "newstring" with files in the current directory.
rename -s oldstring newstring *

# Do the same thing, but recursively.
rename -s oldstring newstring **/*

## batch-m4a-to-mp3.md

      
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                fardjad
                / batch-m4a-to-mp3.md
            
            
              Last active
              February 28, 2024 16:37
            
              
                [How to Convert m4a Files to mp3, Preserving Bitrate and ID3 Tags Using ffmpeg] #ffmpeg #bash
              
          
    How to convert m4a files to mp3, preserving bitrate and id3 tags using ffmpeg

Prerequisites


ffmpeg
cygwin (on windows)

Commands

cd /path/to/m4a/files
mkdir out
for f in *.m4a; do
	# Install it with Homebrew.
	brew install rename

	# Replace "oldstring" with "newstring" with files in the current directory.
	rename -s oldstring newstring *

	# Do the same thing, but recursively.
	rename -s oldstring newstring */