12-21-2012
Quote:
Originally Posted by
bipinajith
It totally depends on what exactly you want to monitor in your log file. Here is one approach that I want to suggest:-
E.g. if you want to monitor a log for any new occurrence of an exception or error message and it does not have date and time information, then you can go by line number. Each time script find an exception or error message it logs it to a file with date, time & line number information and script uses this file content, compares it during its next run to identify another occurrence.
thank you so much for the suggestion! i've searched everywhere on this, but there doesn't appear to be a simple straight forward solution. i'm going to have to write something. thanks again!
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LEARN ABOUT LINUX
dbus-monitor
dbus-monitor(1) General Commands Manual dbus-monitor(1)
NAME
dbus-monitor - debug probe to print message bus messages
SYNOPSIS
dbus-monitor [--system | --session | --address ADDRESS] [--profile | --monitor] [watch expressions]
DESCRIPTION
The dbus-monitor command is used to monitor messages going through a D-Bus message bus. See http://www.freedesktop.org/software/dbus/ for
more information about the big picture.
There are two well-known message buses: the systemwide message bus (installed on many systems as the "messagebus" service) and the
per-user-login-session message bus (started each time a user logs in). The --system and --session options direct dbus-monitor to monitor
the system or session buses respectively. If neither is specified, dbus-monitor monitors the session bus.
dbus-monitor has two different output modes, the 'classic'-style monitoring mode and profiling mode. The profiling format is a compact for-
mat with a single line per message and microsecond-resolution timing information. The --profile and --monitor options select the profiling
and monitoring output format respectively. If neither is specified, dbus-monitor uses the monitoring output format.
In order to get dbus-monitor to see the messages you are interested in, you should specify a set of watch expressions as you would expect
to be passed to the dbus_bus_add_match function.
The message bus configuration may keep dbus-monitor from seeing all messages, especially if you run the monitor as a non-root user.
OPTIONS
--system
Monitor the system message bus.
--session
Monitor the session message bus. (This is the default.)
--address ADDRESS
Monitor an arbitrary message bus given at ADDRESS.
--profile
Use the profiling output format.
--monitor
Use the monitoring output format. (This is the default.)
EXAMPLE
Here is an example of using dbus-monitor to watch for the gnome typing monitor to say things
dbus-monitor "type='signal',sender='org.gnome.TypingMonitor',interface='org.gnome.TypingMonitor'"
AUTHOR
dbus-monitor was written by Philip Blundell. The profiling output mode was added by Olli Salli.
BUGS
Please send bug reports to the D-Bus mailing list or bug tracker, see http://www.freedesktop.org/software/dbus/
dbus-monitor(1)