OP5 Monitor Release Summary

Overview

The release summary document shows the highlights of each major and minor OP5 Monitor release.

To learn more about new features and highlights in the most recent release, see the following documents:

• OP5 Monitor 9.x Release Notes
• OP5 Monitor 9.x Compatibility Matrix

OP5 Monitor 9.5

Released: 19 April 2023

For detailed release notes, see OP5 Monitor 9.5 .

These are the highlights of this release:

• Nagvis has been updated to version 1.9.34 to stay in sync with the upstream project.
• The Monitoring plugins have been updated to version 2.3.3.
• The naemon-core and naemon-livestatus have been upgraded to version 1.4.1.
• Added support for modern SNMPv3 authentication and encryption protocols for all check_by_snmp_* plugins.
• Updated Magellan dependencies due to security issues.

OP5 Monitor 9.4

Released: 25 January 2023

For detailed release notes, see OP5 Monitor 9.4 .

These are the highlights of this release:

• LMD has been updated to version 2.1.2 to stay in sync with the upstream project.
• Restricted the privileges to run commands as a monitor user to service users running OP5 Monitor.
• Magellan and Nachos have been updated to use Python 3.9.
• The Monitoring plugins have been updated to version 2.3.2.
• The naemon-core and naemon-livestatus have been upgraded to version 1.4.0.
• You can now use a CLI tool that prints a list of installed OP5 Monitor software packages and their licenses.

OP5 Monitor 9.3

Released: 2 November 2022

For detailed release notes, see OP5 Monitor 9.3 .

These are the highlights of this release:

• LMD has been updated to version 2.1.0 to stay in sync with the upstream project.
• Updated the httpd directives to follow the Apache 2.4 standard.
• The MySQL user privileges for Trapper are now only allowed to access their own database.
• Fixed an issue in Scheduled Downtimes that prevented editing the recipients of an existing scheduled report.
• The compatibility issue with the traped script in the Lua 5.1.4 interpreter packaged in op5-trapper-luapack has been resolved.
• The message output for invalid requests no longer displays server config on API error.

OP5 Monitor 9.2

Released: 6 September 2022

For detailed release notes, see OP5 Monitor 9.2 .

These are the highlights of this release:

• Updated logging so that the host name or template name is indicated in logs when an invalid host configuration is found by Nachos.​
• Added the new check_http_json plugin as a replacement for check_json which has been removed in OP5 Monitor 9.0.
• Added the selector command-line option to the check_k8s plugin to enable resource queries using labels.
• Added a new plugin for checking the REST API of NSClient++. You can use this plugin instead of check_nrpe for gathering check results.
• Automatically detected Windows services when adding a new host now use check_nrpe instead of check_nt.
• Removed the debug log setting from /etc/op5/check_vmware/service.cfg. Debug logs are now enabled by setting loglevel = ‘debug’ in /etc/op5/check_vmare/gunicorn.cfg.
• Fixed an issue where updating using the tarball installer always update OP5 Monitor to the latest version available in online OP5 RPM repositories, not the version supplied in the tarball.

OP5 Monitor 9.1

Released: 15 June 2022

For detailed release notes, see OP5 Monitor 9.1 .

These are the highlights of this release:

• Removed the urlize plugin since it was vulnerable to remote code execution.
• Security hardening. The negate plugin has been updated to only accept commands and scripts to execute from the plugin path /opt/plugin/.
• Security hardening has been improved to set the Apache policy to never include referrer URLs.
• Improved security by disabling auto-complete on sensitive input fields.
• Improved security of HTTP response headers.
• The Secure and HttpOnly attributes are now set on the PHPSESSID cookie in the HTTP API.
• The Kubernetes management pack now has fields for the namespace, while the namespace parameter for check_k8s_nodes check command has been removed.
• Added the --ignore command-line option to the check_k8s plugin to exclude specified resource names from the check result.
• Added capability to check multiple namespaces to check_k8s plugin.
• Attributions, in NagVis and Geomap, to Map and Data have been updated in accordance with terms and conditions with providers.

OP5 Monitor 9.0

Released: 5 April 2022

For detailed release notes, see OP5 Monitor 9.0 .

These are the highlights of this release:

• Support for EL8 to provide a modern operating system as a base, including Enterprise Linux 8, CentOS 8 Stream, and Rocky Linux 8.x distributions. To view the upgrade notes for OP5 Monitor 9, see Upgrade to OP5 Monitor 9 .
• Security improvements through upgrades to PHP 7.4 and MariaDB 10.5 as well as dependency removal of RabbitMQ.
• Updated plugins to provide a more relevant set of plugins.
• Email templates have been updated with a newer and fresher look.
• The OP5 Monitor UI has been refreshed with new logos and colours.
• You can now set the root password of MySQL without impacting OP5 Monitor functionality.
• Session IDs are now regenerated on login.
• Cronjobs have been replaced with systemd timers.
• PNP4Nagios and NagVis have been updated to the latest versions.
• Logger has been removed from the OP5 Monitor since its functionality is obsolete.

OP5 Monitor 8.4.1

Released: 15 June 2022

For detailed release notes, see OP5 Monitor 8.4.1 .

• The migration script now checks if configurations are correctly encoded in UTF-8.
• Forced a complete reimport of the configuration files when restoring a backup to ensure the configuration database is in sync.
• A new accept_runcmd node setting has been added. This node setting must be enabled in order to use test this check on that node. Note that this only affects the ssh-less test this check.

OP5 Monitor 8.4.0

Released: 5 April 2022

For detailed release notes, see OP5 Monitor 8.4.0 .

• Mitigated Microsoft DCOM hardening changes impacting wmic checks.

OP5 Monitor 8.3.9

Released: 8 March 2022

For detailed release notes, see OP5 Monitor 8.3.9 .

• Fixed issues across the OP5 Monitor including a number of improvements to op5-backup in preparation for the OP5 Monitor 9.0 migrations.
• LMD has been updated to 2.0.7 to stay in sync with upstream. For more information, see LMD changes .

OP5 Monitor 8.3.8

Released: 8 February 2022

For detailed release notes, see OP5 Monitor 8.3.8 .

• LMD has been updated to 2.0.4 to stay in sync with upstream. For more information, see LMD changes .
• Security fix to address the security vulnerability: CVE-2021-33178.
• Improved log messages in the check_vmware_v2 service.
• check_op5_license now checks if the signing certificate is not expired.

OP5 Monitor 8.3.7

Released: 14 December 2021

For detailed release notes, see OP5 Monitor 8.3.7 .

• op5-snmp-user is now restored from backup when using op5-restore, which solves a problem with self-monitoring not working.
• LMD has been updated to 2.0.3, while naemon and livestatus have been updated to 1.3.0 to stay in sync with upstream.

OP5 Monitor 8.3.6

Released: 9 November 2021

For detailed release notes, see OP5 Monitor 8.3.6 .

• The registration of Slim Poller on master peers has been improved.
• The op5-backup file now includes custom logos in the backups.
• Gravatar has been removed from the OP5 Monitor.

OP5 Monitor 8.3.5

Released: 12 October 2021

For detailed release notes, see OP5 Monitor 8.3.5 .

• Improvements to the check_vmware_v2 plugin with the option to ignore known unknowns which prevents them from affecting the check results.
• Host and service notes are now included in the email notifications.
• The check_op5_license plugins output format has been fixed so that the performance data thresholds are interpreted correctly by the OP5 Monitor > Service UI.

OP5 Monitor 8.3.4

Released: 14 September 2021

For detailed release notes, see OP5 Monitor 8.3.4 .

• Improved error messages from Nachos for quicker locating of existing configuration issues.
• GPG signature checks in the OP5 Monitor repositories metadata are now performed by default when installing or upgrading the OP5 Monitor packages.
• HTTPS has now been enabled in the OP5 Monitor package repositories and is now enabled by default in the yum configuration files.
• Livestatus Multitool Daemon or LMD has been updated to version 2.0.2 to stay in sync with upstream.

OP5 Monitor 8.3.3

Released: 10 August 2021

For detailed release notes, see OP5 Monitor 8.3.3 .

• New Merlin setting ipc_blocked_hostgroups allows blocking checks of objects in the specified hostgroups.
• The check_vmware_v2 plugin now supports VMware vSphere API 7, while version 5.5 and earlier are no longer supported.
• This release introduced several changes and improvements to Slim Poller:
  • Refactored locking causing fewer stale locks.
  • New log format and log level can now be set with the LOG_LEVEL environment variable .
  • Slim Poller does not restart on cluster update if no changes are detected.
  • Removed ability to disable encryption.
  • Fixed an edge case that could possibly cause all nodes to be auto-deleted on full network outages, potentially causing the master to takeover checks.
  • The last Slim Poller node in a poller group is never auto-deleted. This is to ensure that the master does not end up taking over the checks.

OP5 Monitor 8.3.2

Released: 8 June 2021

For detailed release notes, see OP5 Monitor 8.3.2 .

• Slim Poller base images now include version information.
• By default, time zones are now included in timestamps for notification emails. You can also now configure the date and time format for macros that use Unix time.
• LMD has been updated to version 2.0.0 to stay in sync with upstream.

OP5 Monitor 8.3.1

Released: 11 May 2021

For detailed release notes, see OP5 Monitor 8.3.1 .

• The check_elasticquery plugin has been updated to the latest version.

OP5 Monitor 8.3.0

Released: 13 April 2021

For detailed release notes, see OP5 Monitor 8.3.0 .

• Slim Poller now supports autoscaling in Kubernetes, can be set up automatically with environment variables, and can auto-register with the cluster.
• Test this check now works in Slim Poller passive poller mode.
• You can now configure passive pollers to use Merlin’s file sync to fetch files from masters.
• A new mon command, mon oconf remote-fetch, can now be used to trigger a remote node to do a fetch against the current node.
• You can now identify OP5 Monitor nodes by UUID instead of IP address or DNS name.
• Livestatus and naemon have been updated to version 1.2.4 to stay in sync with upstream.
• The nagios_aws plugin has been renamed to check_aws, with the following updates:
  • Support for additional regions: af-south-1, ap-east-1, eu-north-1, eu-south-1, eu-west-3, and me-south-1.
  • Improved metric and error handling.

OP5 Monitor 8.2.7

Released: 9 March 2021

For detailed release notes, see OP5 Monitor 8.2.7 .

• Merlin has been improved to make report data more reliable, and to alleviate sync issues caused by network outages in multi-node environments.
• LMD has been updated to version 1.9.5 to stay in sync with upstream.

OP5 Monitor 8.2.6

Released: 9 February 2021

For detailed release notes, see OP5 Monitor 8.2.6 .

• Autodiscovery jobs can now be scheduled, and provide a notification banner when a scheduled discovery job finds new hosts that are not yet being monitored. You can also define an exclusion list for hosts you do not wish to be included in the search. For more information, see Add hosts with Autodiscovery in Manage hosts and services .
• mon check distribution now includes the following thresholds: OK, WARNING, and CRITICAL.
• A number of updates to different components to prevent various potential security vulnerabilities.
• LMD has been updated to version 1.9.4, and naemon to version 1.2.3, to stay in sync with upstream.

OP5 Monitor 8.2.5

Released: 8 December 2020

For detailed release notes, see OP5 Monitor 8.2.5 .

• Addressed several possible cross-site scripting vulnerabilities.
• Updated default configuration values for internal components to improve performance for large deployments.

OP5 Monitor 8.2.4

Released: 10 November 2020

For detailed release notes, see OP5 Monitor 8.2.4 .

• The default monitor host object is now named after the host name on new installations.
• LMD has been updated to version 1.9.1, while naemon and livestatus have been updated to version 1.2.1 to stay in sync with upstream.
• The check_hpasm plugin has been updated to version 4.8 to stay in sync with upstream.

OP5 Monitor 8.2.3

Released: 13 October 2020

For detailed release notes, see OP5 Monitor 8.2.3 .

These are the highlights of this release:

• Autodiscovery has been improved with a new API endpoint for host and service configurations, as well as the option to choose host templates and host groups.
• naemon documentation has been improved around inheritance of object values.
• Updates to check_docker 2.2.2 and LMD 1.9 to stay in sync with upstream.

OP5 Monitor 8.2.1

Released: 18 August 2020

For detailed release notes, see OP5 Monitor 8.2.1 .

These are the highlights of this release:

• The check_elasticquery plugin has been added for the Log Analytics version 7.0.x integration. This plugin supports filtering.
• A new plugin, check_nrpe4, is now shipped with OP5 Monitor. It provides support for NRPE versions 2, 3, and 4.

OP5 Monitor 8.2.0

Released: 23 June 2020

For detailed release notes, see OP5 Monitor 8.2.0 .

These are the highlights of this release:

• You can now encrypt Merlin communications using public key encryption. This encryption supports mixed environments. For more information, see Set up encrypted Merlin .
• LMD has been updated to version 1.8.3 to stay in sync with upstream.
• The check_elasticquery plugin has been updated for Log Analytics version 6.x.x to support filtering.

OP5 Monitor 8.1.4

Released: 26 May 2020

For detailed release notes, see OP5 Monitor 8.1.4 .

These are the highlights of this release:

• Reserved characters for the Test this check function are no longer filtered by default. Instead, you can now enable the filtering as needed. For more information, see Disallow Dangerous Characters in Manage users, contacts, and permissions .

OP5 Monitor 8.1.3

Released: 28 April 2020

For detailed release notes, see OP5 Monitor 8.1.3 .

These are the highlights of this release:

• LMD has been updated to version 1.8.2 to stay in sync with upstream.
• ModSecurity has been introduced to increase the security and prevent potential cross-site scripting (XSS) attempts. If your installation has advanced custom scripts that use cross-site scripting, then you may encounter an error. To resolve this error, see this article .

OP5 Monitor 8.1.1

Released: 3 March 2020

For detailed release notes, see OP5 Monitor 8.1.1 .

These are the highlights of this release:

• naemon and livestatus have been updated to version 1.2.0 to stay in sync with upstream.

OP5 Monitor 8.1.0

Released: 4 February 2020

For detailed release notes, see OP5 Monitor 8.1.0 .

These are the highlights of this release:

• Slim Poller is now available to use in orchestrated environments. It is a containerised small footprint version of the OP5 Monitor Poller configuration.
• Nachos have been updated with improved performance for configuration saves.
• Livestatus Multitool Daemon (LMD) now uses version 1.8.1 to stay in sync with upstream.

OP5 Monitor 8.0.10

Released: 17 December 2019

For detailed release notes, see OP5 Monitor 8.0.10 .

These are the highlights of this release:

• Includes an API endpoint for removal of Scheduled Downtime.
• Optimises the resource use of Magellan.

OP5 Monitor 8.0.9

Released: 12 November 2019

For detailed release notes, see OP5 Monitor 8.0.9 .

These are the highlights of this release:

• Provides additional support for monitoring of hybrid IT environment using the new plug-in for monitoring Amazon Web Services (AWS) through their native cloud monitoring Cloudwatch.
• naemon and livestatus are now updated to version 1.1.0 to stay in sync with upstream.
• Documentation links in the application now redirects correctly in the OP5 Monitor Documentation .

OP5 Monitor 8.0.8

Released: 15 October 2019

For detailed release notes, see OP5 Monitor 8.0.8 .

These are the highlights of this release:

• It has always been recommended to only restore the same version where the backup was taken from. To restore a backup from different versions of OP5 Monitor can cause serious issues. In this release, a thorough version check has been implemented for the restore of backups that prevents all restore except the exact same version.
• In the past, OP5 Monitor has filtered out SNMP results where the ifDescr field has been containing the words null or loopback. This filtering has caused issues for some customers, hence the filtering has been removed. Each customer can now decide on how to use this information.

OP5 Monitor 8.0.7

Released: 17 September 2019

For detailed release notes, see OP5 Monitor 8.0.7 .

These are the highlights of this release:

• Introduced more support for monitoring of hybrid IT environments:
• New plug-in for monitoring of Kubernetes clusters, such as deployments (replicas), nodes, and pods.
• Instructions on how to implement sudo to run mon commands such as start, stop, restart, and node status without root user privileges is now available. For more information, click here .

OP5 Monitor 8.0.6

Released: 20 August 2019

For detailed release notes, see OP5 Monitor 8.0.6 .

These are the highlights of this release:

• New plugin for monitoring of Docker.
• Memory consumption in absolute units (bytes, KB, MB, GB) and as a percentage (0-100%) of the container limit.
• CPU usages as a percentage (0-100%) of container limit.
• Automatic restarts performed by the Docker daemon.
• Checks if the container status is running and if the container health checks are passing.
• The presence of a container or containers matching specified names.
• Image version that can identify if the running image matches the one in the remote registry.
• Image age that can identify the last time the image was built.

OP5 Monitor 8.0.5

Released: 25 June 2019

For detailed release notes, see OP5 Monitor 8.0.5 .

These are the highlights of this release:

• The Oracle-instantclient has been removed from distribution.
• Plugin check_vmware_api is now deprecated in favour for check_vmware_v2.
• Self-monitoring of new OP5 Monitor 8. For example, Nachos, Magellan, and Livestatus Multitool Daemon (LMD) services.
• Reduced scrolling after multi-action, only one banner is now shown.
• The appearance of the login page has been adapted to fit the new branding.
• The configuration main page UI design has been updated, and the number of unsaved changes are now shown.
• The text displays when a change is successfully submitted have been improved.

OP5 Monitor 8.0.4

Released: 28 May 2019

For detailed release notes, see OP5 Monitor 8.0.4 .

These are the highlights of this release:

• OP5 Monitor now have support for alerts-based on saved searches in Log Analytics.
• OP5 Monitor is now rebranded with ITRS OP5 Monitor logos.
• New login page for OP5 Monitor.
• Export error now results in a more detailed error message.
• naemon UI is now more responsive when submitting changes after editing a host.

OP5 Monitor 8.0.3

Released: 2 May 2019

For detailed release notes, see OP5 Monitor 8.0.3 .

These are the highlights of this release:

• OP5 Monitor is back on Azure Marketplace.
• About box now shows the OS version.
• New lines are no longer stripped from long output when notifying a contact.
• Reduced the number of clicks required to perform the Check now action.
• Removed unnecessary use of AllowOverride directive in Apache config.
• check_vmware_v2 now handle Current version of runtime tools as OK.
• Autodiscovery no longer shows passwords when filling in SNMP information.

OP5 Monitor 8.0.2

Released: 3 April 2019

For detailed release notes, see OP5 Monitor 8.0.2 .

These are the highlights of this release:

• naemon release 1.0.10.
• Backup rotation scheme for naemon configuration files.
• Time zones are now supported when generating reports.
• PATCH to remove custom variables.
• Input validation for custom object attributes.

OP5 Monitor 8.0.1

Released: 5 March 2019

For detailed release notes, see OP5 Monitor 8.0.1 .

These are the highlights of this release:

• When clicking on user export instead run full export if only one user has made changes.
• Added confirmation step before reverting configuration changes.
• Added naemon when failed on EL7.
• check_vmware_v2 offline installation.

OP5 Monitor 8.0.0

Released: 30 January 2019

For detailed release notes, see OP5 Monitor 8.0.0 .

These are the highlights of this release:

• OP5 Monitor now includes a more stable and responsive UI during the configuration export process.