finding created time of a file on linux commandline

 Following the different methods given at https://kodekloud.com/blog/file-creation-time-linux/#

On one of our Azure Ubuntu 20.04 servers, only the debugfs solution worked. 

sudo debugfs -R 'stat /path/to/our/file.txt' /dev/root 
... etc 

crtime: 0x64afbcf8:ea7086a8 -- Thu Jul 13 08:59:36 2023

-----------------------------------------
ls -l --time=birth ourfile.txt
ls: invalid argument ‘birth’ for ‘--time’
Valid arguments are:
  - ‘atime’, ‘access’, ‘use’
  - ‘ctime’, ‘status’

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stat additionalplugins.txt 
... etc ... 
Change: 2023-07-24 05:00:13.991923547 +0000
 Birth: -