mcookie
TLDR
Generate random number
$ mcookie
Use file as seed$ mcookie --file [path/to/file]
Use limited bytes from file as seed$ mcookie --file [path/to/file] --max-size [bytes]
Show verbose randomness details$ mcookie --verbose
SYNOPSIS
mcookie [options]
DESCRIPTION
mcookie generates a 128-bit random hexadecimal number (32 hex characters). It is primarily used for generating X authority cookies but can be used for any purpose requiring random data.
PARAMETERS
-f, --file FILE
Use file contents as additional entropy source-m, --max-size BYTES
Maximum bytes to read from file-v, --verbose
Print details about randomness sources
OUTPUT
32 hexadecimal characters (128 bits of randomness)
CAVEATS
Uses /dev/urandom and system entropy. Part of util-linux package.
