AppSuite:Logincounter

Using the logincounter tool

 # logincounter --help
 usage: logincounter
  -a,--aggregate     Optional. Aggregates the counts by users. Only the
                     total number of logins without duplicate counts
                     (caused by multiple clients per user) is returned.
  -e,--end <arg>     Required. Sets the end date for the detecting range.
                     Example: 2010-01-1 23:59:59
  -h,--help          Prints a help text
  -r,--regex <arg>   Optional. Limits the counter to login devices that
                     match regex.
  -s,--start <arg>   Required. Sets the start date for the detecting range.
                     Example: 2009-12-31 00:00:00