mmonit-announce May 2009

mmonit-announce@tildeslash.com

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5 discussions

[Announce] Monit 5.0.3
by Martin Pala 28 May '09

28 May '09

Monit 5.0.3 is available: Download from: http://www.mmonit.com/monit/dist/ MD5 checksum: dae7859ec10551fc941daeae60dee9d3 SHA256 checksum: 5dd2539b3c61d109fa75efaa599168eb91bd59f20eba889e4c8b1990cac587d3 Change log: http://www.mmonit.com/monit/dist/CHANGES.txt BUGFIXES: * Fixed #26664: crash on service timeout or unmonitor action (introduced in 5.0.2). Thanks to Bretislav Kubesa and Michael Shigorin for report. * Removed the configure --without-resource option. If the user who is running Monit doesn't have permissions to check the processes state, the related checks are disabled dynamically.

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[Announce] M/Monit 2.0.3
by Jan-Henrik Haukeland 21 May '09

21 May '09

Hello everyone! We have just released M/Monit 2.0.3. You can download the new release from: http://mmonit.com/download/ Release information: -------------------- This is a bug fix release which fixes the NumberFormatException I sent a mail about earlier this week [1]. In addition, it contains a few other minor fixes. Upgrade is recommended! The changes in this release are: * Fixed a potential NumberFormatException error when clicking on a host row in the host status page. Many thanks to Aleksander Kamenik for finding this bug and helping us resolve it. * The grey delete icon in admin tables is changed to a red icon on mouse hover to give better UI feedback. Thanks to Aleksander Kamenik for suggestion. * Ignore invalid cookies. Previous versions aborted the request with a 404 error. Thanks to Ron McKown for debug help. * In the admin page only display real active login sessions. * Expanded host table columns platformname, platformrelease, platformversion, platformmachine to allow for up to 255 characters. FreeBSD 7.x uses very long names and this could prevent M/Monit from accepting status reports from servers running this OS. If you are upgrading from M/Monit 2.0.2, perform the following to upgrade the database: If you use SQLite: ./upgrade/upgrade-2.0.2-2.0.3.sqlite If you use MySQL: cat ./upgrade/upgrade-2.0.2-2.0.3.mysql | \ mysql -u mmonit -p -D mmonit If you use Postgresql: cat ./upgrade/upgrade-2.0.2-2.0.3.postgresql | \ psql -U mmonit mmonit Future plans: ============= We expect this 2.0.3. release to be a stable version and the next 2.1 release is scheduled for July. The 2.1 release will primarily focus on scalability and make M/Monit able to handle many more Monit hosts. The goal is 1000. We'll also add Jabber alerts to this version and include host groups in alert rules for easier management of host rules. Contact: ======== If you have questions or comments about this release, please contact us at mmonit(a)tildeslash.com Have a nice weekend! Best regards from the M/Monit team. [1] http://www.tildeslash.com/pipermail/mmonit-announce/2009-May/000004.html

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FYI: NumberFormatException bug and a temporary workaround
by Jan-Henrik Haukeland 19 May '09

19 May '09

We have found a potential problem in M/Monit version 2.0.2 when clicking on a host row in the host status page (http://localhost:8080/status/ ). If you see an error page with this error instead of the host detail page: NumberFormatException: For input string null Then, here is a simple workaround until we have a new release available later this week. Run this SQL statement in the mmonit database: update host set port_out = -1 where port_out is NULL or port_out = ""; This bug manifest if you edit and save changes to a host in admin/ host. The field "Outbound Port for Monit" is normally empty and unless a value was given it will be saved with a null value which we did not properly test for in the status page above. Many thanks to Aleksander Kamenik for finding this bug and helping us resolve it. If you have seen any other problems in M/Monit version 2.0.2 please let us know at mmonit(a)tildeslash.com so we can fix them ASAP and include them in the 2.0.3 release. Best regards -- Jan-Henrik Haukeland http://tildeslash.com/

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[Announce] M/Monit 2.0.2
by Jan-Henrik Haukeland 15 May '09

15 May '09

Hi everyone, We have just released M/Monit 2.0.2. You can download the new release from: http://mmonit.com/download/ Release information: -------------------- The changes in this release are mostly bug and stability fixes. We have also snuck in a few new features as well. Excerpt from the change log follows. * If you are upgrading from M/Monit 2.0 perform the following to upgrade the database: If you use SQLite: ./upgrade/upgrade-2.0-2.0.2.sqlite If you use MySQL: cat ./upgrade/upgrade-2.0-2.0.2.mysql | \ mysql -u mmonit -p -D mmonit If you use Postgresql: cat ./upgrade/upgrade-2.0-2.0.2.postgresql | \ psql -U mmonit mmonit NEW FEATURES: * You can now change the name and description of host groups. * Quick delete added to admin page tables for hosts, users and rules. These tables have a new delete icon in the rightmost column and clicking on the icon deletes the table entry. This is a shortcut so you don't have to open the entry first to delete it. Thanks to Nicola Tiling for suggestion. * Added Monit version information to admin/hosts table. This allows you to quickly see which Monit version is running on each host. Thanks to Aleksander Kamenik for suggestion. * Increased skew rate for Monit agents from 2 to 3 cycles. * OpenBSD support added. * Updated all shared libraries to latest version. BUG FIXES: * Stability fixes. * Internal performance improvements in the connection pool driver for SQLite. The new changes makes SQLite scale much better and able to handle many more hosts. * Expanded host.platformrelease column in the database to allow for up to 100 characters. Some OS use a long release name which did not fit in the original 20 characters limit used in the database. M/Monit could refuse message from these hosts and not update the host status. Thanks to Aaron Scamehorn for report. * Increased read timeout from 3 seconds to 30 seconds when communicating with SMTP servers to allow for slow servers. * Fixed possible "Number format exception" error when trying to open host status or use host admin for monit hosts which were imported from older M/Monit versions. Thanks to Nicola Tiling for report. * Fix possible OpenSolaris crash. Thanks to Christoffer Torris Olsen for report. Future plans: ============= While this release focus on stability, the next release will focus on scalability. Before we start on all the cool new features we plan for M/Monit we want to ensure that M/Monit can easily be used with more than Monit 150-200 hosts. We also want to reduce the stress M/Monit can cause on the database server. If you monitor more than 10 hosts and run Monit on a low poll cycle it can increase the CPU load on the database server because each status report from Monit ends up in a database request. We plan to fix this by introducing an in-memory cache for host status which will make M/Monit scale much better and drastically reduce the need for database access. We are working on the 2.0.3 release now and we hope to have it available for you within a month. Contact: ======== If you have questions or comments about this release, please contact us at mmonit(a)tildeslash.com With the best regards from the M/Monit team

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[Announce] Monit 5.0.2
by Martin Pala 07 May '09

07 May '09

The monit 5.0.2 is available: Download from: http://www.mmonit.com/monit/dist/ MD5 checksum: 416db6d616ee3a44d274522103fef9af SHA256 checksum: dc5b7a483383bf54e3f8a1dc29089d50e13f15e5f7512bc705a92e52cc41092f Change log: http://www.mmonit.com/monit/dist/CHANGES.txt BUGFIXES: * 35 improvements based on code scan with Klockwork (http://www.klocwork.com/) which we were evaluating. Huge thanks to Klocwork for their great product. * Fixed #26382: if start or stop script for some service didn't exist, monit logged error during configuration file parsing and refused to start. Monit now just logs warning and continues.

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mmonit-announce May 2009