Sortable, readable and standard time format for logs

Question

Timestamp format in logs

Most log lines contain a timestamp and event description:

[When] [What]

e.g.:

[23/Jul/20         


        

Answer 1

The unix date command has such an option. Use

date -Iseconds

or

date -Ins

The manpage says:

   -I[FMT], --iso-8601[=FMT]
          output  date/time  in  ISO  8601  format.   FMT='date' for date only (the default),
          'hours', 'minutes', 'seconds', or 'ns' for date and time to  the  indicated  preci‐
          sion.  Example: 2006-08-14T02:34:56-0600