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gnupg: watchgnupg

 
 9.1 Read logs from a socket
 ===========================
 
 Most of the main utilities are able to write their log files to a Unix
 Domain socket if configured that way.  'watchgnupg' is a simple listener
 for such a socket.  It ameliorates the output with a time stamp and
 makes sure that long lines are not interspersed with log output from
 other utilities.  This tool is not available for Windows.
 
 'watchgnupg' is commonly invoked as
 
      watchgnupg --force $(gpgconf --list-dirs socketdir)/S.log
 
 This starts it on the current terminal for listening on the standard
 logging socket (which is either '~/.gnupg/S.log' or
 '/var/run/user/UID/gnupg/S.log').
 
 'watchgnupg' understands these options:
 
 '--force'
      Delete an already existing socket file.
 
 '--tcp N'
      Instead of reading from a local socket, listen for connects on TCP
      port N.
 
 '--time-only'
      Do not print the date part of the timestamp.
 
 '--verbose'
      Enable extra informational output.
 
 '--version'
      Print version of the program and exit.
 
 '--help'
      Display a brief help page and exit.
 
 
 Examples
 ********
 
      $ watchgnupg --force --time-only $(gpgconf --list-dirs socketdir)/S.log
 
    This waits for connections on the local socket (e.g.
 '/home/foo/.gnupg/S.log') and shows all log entries.  To make this work
 the option 'log-file' needs to be used with all modules which logs are
 to be shown.  The suggested entry for the configuration files is:
 
      log-file socket://
 
    If the default socket as given above and returned by "echo $(gpgconf
 -list-dirs socketdir)/S.log" is not desired an arbitrary socket name can
 be specified, for example 'socket:///home/foo/bar/mysocket'.  For
 debugging purposes it is also possible to do remote logging.  Take care
 if you use this feature because the information is send in the clear
 over the network.  Use this syntax in the conf files:
 
      log-file tcp://192.168.1.1:4711
 
    You may use any port and not just 4711 as shown above; only IP
 addresses are supported (v4 and v6) and no host names.  You need to
 start 'watchgnupg' with the 'tcp' option.  Note that under Windows the
 registry entry HKCU\SOFTWARE\GNU\GNUPG:DEFAULTLOGFILE can be used to
 change the default log output from 'stderr' to whatever is given by that
 entry.  However the only useful entry is a TCP name for remote
 debugging.
 

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