mmonit-announce

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[Announce] M/Monit 2.1.1
by Jan-Henrik Haukeland 01 Nov '09

01 Nov '09

Hello all, A thread storage problem was found in the just released 2.1 version which could lead M/Monit to grow out of available virtual memory. Upgrading to 2.1.1 is strongly recommended. We are sorry for the inconvenience. The new 2.1.1 release can be downloaded from http://mmonit.com/download/ Release information: ==================== IMPROVEMENTS: * In admin/hosts, if an outbound IP-address was specified for Monit, display this address in the hosts table. * Allow non-fully qualified domain for jabber users. BUG FIXES: * Fixed a thread storage problem that caused M/Monit virtual memory usage to grow during event processing. This in turn could lead M/Monit to grow out of available virtual memory and to a full stop. Many thanks to Asim for the bug report. UPGRADING: There are no database changes in this release 1) Using a proxy in front of M/Monit and having problems reaching Monit from M/Monit? ------------------------------------------------------------------------------------- In difference to the previous M/Monit 2.0.3 version, the host IP- address is continuously updated to reflect real values. M/Monit takes the IP-address of the connection from Monit and use that as the address of the Host. For example, if you have setup an Apache Proxy in front of M/Monit and setup M/Monit to listen on the loop-back interface (127.0.0.1), M/ Monit will see the IP-address of Monit as 127.0.0.1. Using a proxy in front of M/Monit is fine, but since the IP-address is now updated each time Monit reports in, changing the Monit IP-address in "Monit Host specification" will not stick. Here is the solution to make M/Monit able to reach Monit again. Go to admin/hosts and edit the Host in question. Click on the "Firewall/NAT/ Proxy" link and specify the outbound IP-address and port for Monit, that would be the IP-address Monit is really running on. Click the "Test connection to Monit" link to see if it works and that M/Monit can now reach Monit. This screenshot indicate how it may look on your system: This solution will also fix any problems you might have had with the M/ Monit iPhone app not being able to connect. Contact: ======== If you have questions, comments or any other feedback about this release, please contact us at mmonit(a)tildeslash.com Best regards from the M/Monit team.

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[Announce] M/Monit 2.1
by Jan-Henrik Haukeland 24 Oct '09

24 Oct '09

Hello, everyone! We have been busy improving M/Monit and today we have a new release for you. This is a free upgrade for all M/Monit users. The new release can be downloaded from http://mmonit.com/download/ Release information: ==================== NEW FEATURES: * M/Monit will now send an alert if a Monit agent does not report in on time. * Various caching strategies have been added internally. This should help M/Monit scale to hundreds of hosts and beyond. * Replaced the Host drop down menu with a host search field in the events page. * Host groups can now be used, in addition to hosts, when specifying an alert rule. * Service groups can now be used, in addition to services, when specifying an alert rule. A service group is defined in your monitrc control file * M/Monit can now send Jabber/GTalk alert messages in addition to Mail messages. * The M/Monit server now support SSL. Please consult the manual to learn how to configure M/Monit to use SSL. * The web user interface has got a modest face lift. * Updated and improved manual BUG FIXES: * Evaluate all rules when processing events for sending alerts. Previous versions only evaluated and acted on the first matching rule. Thanks to Andrew Stott for report. * Services and service groups are now pre-fetched from Monit when Monit starts up and report to M/Monit. In earlier versions of M/Monit, an event had to occur on a service before the service was made available when specifying alert rules. Note: this feature requires Monit-5.1, Monit-5.0.3 will also work, but service names won't be synced. * Added timezone in date header for mails sent by M/Monit. Thanks to Thorsten Kampe for requesting this feature. * Fixed a possible crash in Dashboard when an event from Monit was received with a system time ahead of M/Monit's system time. Thanks to Aleksander Kamenik for report. * Improved the AJAX host search field to allow for a more interactive search * Improved message queue handling * FreeBSD releases of M/Monit are now built using FreeBSD version 6.0 and 7.0 instead of version 6.4 and 7.2. This allows M/Monit to support a wider range of 6.x and 7.x FreeBSD OS versions. UPGRADING: If you are upgrading from M/Monit 2.0.3 please perform the following to upgrade the database: If you use SQLite: ./upgrade/upgrade-2.0.3-2.1.sqlite If you use MySQL: cat ./upgrade/upgrade-2.0.3-2.1.mysql | \ mysql -u mmonit -p -D mmonit If you use Postgresql: cat ./upgrade/upgrade-2.0.3-2.1.postgresql | \ psql -U mmonit mmonit Browser cache: Please clear your Browser cache before login in to M/Monit 2.1. Most pages have been changed in the web user interface and cached pages from the previous version may create problems. Contact: ======== We hope that you will enjoy this new release and find it useful. If you have questions, comments or any other feedback 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 5.0.3
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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[Announce] Monit 5.0.1
by Martin Pala 22 Apr '09

22 Apr '09

The monit 5.0.1 is available: Download from: http://www.mmonit.com/monit/dist/ MD5 checksum: 4a33f7f0b8d40264fb50370e6544f974 SHA256 checksum: e0f7e208b99cd4cfe2fdaea097d1b8ce6bdabdd4e6638876a3cd5f84d94a3b03 Change log: http://www.mmonit.com/monit/dist/CHANGES.txt BUGFIXES: * When PID, PPID, timestamp or size change test was defined and the test failed and then succeeded again, monit started to log success each monitoring cycle.

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[Announce] M/Monit 2.0
by Jan-Henrik Haukeland 16 Apr '09

16 Apr '09

Hello everyone! I'm happy to announce that M/Monit 2.0 has been released today and is now available. M/Monit 2.0 can be downloaded from: http://mmonit.com/download/ We are now officially out of the beta phase and this is the final 2.0 release. Judging from previous beta releases, it seems that we have a 2 month turnaround time for new releases. We'll try to continue with this frequency, at least this first year as we have plans for many new and useful features, both in M/Monit and Monit. We'll keep you posted. A big, big thanks to all of you who have helped us test M/Monit during the beta phase and for giving us useful suggestions, feedback and ideas. This is highly appreciated! Release information: ==================== The changes in this release compared to the previous beta 7 are minor tweaks behind the scene and alignment of M/Monit events with Monit. There are a few database changes, and if you want to upgrade from M/ Monit beta 7, you can run an upgrade script for the database as explained in the change log: http://mmonit.com/dist/CHANGES We also provide a migrate script in the upgrade directory if you want to move over from SQLite to MySQL or PostgreSQL. This is recommended if you run Monit on more than 10 hosts, as SQLite can have scalability issues with more hosts. Monit: ====== With more than 50 new features and bug fixes, we are also happy to announce that Monit 5.0 is out of beta today and available from http://mmonit.com/monit/download/ M/Monit 2.0 requires this version of Monit. We hope Monit 5.0 will be picked up by package distributors shortly, so it will be available directly in distributions as well. Contact: ======== If you have questions or comments about this release, please contact us at mmonit(a)tildeslash.com Documentation: ============== Answers to frequently asked questions regarding M/Monit and Monit can be found at http://mmonit.com/wiki/ And documentation for the M/Monit program can be found at http://mmonit.com/documentation/ License and Purchase: ===================== Monit will always be free and licensed under the GPL. For M/Monit we need to take a small fee to allow us to continue working on Monit and M/Monit. We hope you understand. When you download M/Monit, it comes with a trial license which will expire after 30 days. If you like M/Monit and find it useful, which we believe you will, you can support our work further by purchasing a license from: http://mmonit.com/shop/ If you want to customize and modify M/Monit and build new binaries, you can also purchase a Standard or Enterprise license which will give you access to the M/Monit source code and SDK. The email with the license key includes an URL from where you can download the source code distribution of M/Monit. The Servlet Container M/Monit is built on is not released in source form, but it is included as a shared library for all supported platforms. The database library used by M/ Monit is available in the source distribution and also as an open source GPL distribution here, http://www.tildeslash.com/libzdb/ Mailing list ============ We have converted this mailing list to a low traffic announce list. We hope you will continue to subscribe to the list and follow us in our on-going efforts to make M/Monit even better. As mentioned, we are also directly available at mmonit(a)tildeslash.com. With the very best regards from the M/Monit team

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