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[Announce] Monit 5.4

From: Martin Pala
Subject: [Announce] Monit 5.4
Date: Sun, 6 May 2012 15:44:37 +0200

Hi, everyone!

We have just released Monit 5.4. You can download the new release from:

Release information:


* New process uptime test added. Allows to do some action in
  the case that the process uptime matches the given limit.
  For example to restart the process once per 3 days:
    if uptime > 3 days then restart

* Linux uCLibc support: use internal getloadavg implementation
  in the case that the system libc doesn't implement it.


* The monit hostname will fallback to plain machine's hostname if the
  lookup for FQDN hostname didn't found matching entry. The problem
  was, that based on the order in the /etc/hosts the FQDN lookup
  returned sometimes 'localhost' instead of the FQDN hostname.

* The CPU usage for multi-threaded processes on multi-core machine was
  reported incorrectly in the case that the process used more CPU
  resources then equivalent to one core. Thanks to Tom Pepper for patch.

* The content match test now sends one event per cycle and pattern.
  Even if there are multiple lines matching the same pattern, only
  one event will be generated. Also the event rate is fixed now, so
  it is possible to require match for X cycles before generating the

* The /proc/ files content match test was skipped, as the file size on
  the procfs is 0, so monit supposed that there is no content to read.

* FreeBSD: If the monitored process had children with multiple threads,
  the total memory usage was reported incorrectly. Thanks to Phil Kulin
  for reporting the problem.

* Allow reading status and perform Monit actions when using client SSL
  certificate. Previously, if Monit http server was setup to use ssl
  and a client cert, status and action failed. Thanks to Markus Linnala
  for initial patch.

* When the process is starting/stopping, do the process state check more
  effectively to not stress the low power devices with aggresive polling.
  Thanks to Thomas Petazzoni for initial patch.

* Make the process start/stop wait resistant to large time changes.

* Compilation: If PAM is enabled but the PAM headers or library are not
  found by the configure script, it will report error.

* Cross-compilation: the configure checks the setjmp and vsnprintf with
  test program which usually cannot be executed when cross-compiling
  for other architecture. The configure script now takes the following
  arguments which allow to specify whether the setjmp works on this
  platform and whether the vsnprintf is C99 compliant. Thanks to
  Thomas Petazzoni for patch.
        ./configure \
                libmonit_cv_setjmp_available=[yes|no] \

* Manual page language fixes. Thanks to Jonathan Boulle for patch.


If you have questions, comments or any other feedback about this release, please reply to this post.

Best regards from the Monit team

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