Overdue Observability updates #387
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Contributor
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The Nagios 4 update is a big contribution. Before adding that from the discourse post, I'm wondering about:
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panlinux
reviewed
Nov 6, 2025
| However, you can also use the classic Logging, Monitoring and Alerting (LMA) | ||
| stack. | ||
| * `Getting started with COS Lite <https://documentation.ubuntu.com/observability/tutorial/installation/getting-started-with-cos-lite/>`_ | ||
| * `How to integrate COS Lite with un-charmed applications <https://documentation.ubuntu.com/observability/how-to/integrating-cos-lite-with-uncharmed-applications/>`_ |
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These two links are 404s at the moment, are they correct?
panlinux
reviewed
Nov 6, 2025
| Install Munin <observability/install-munin> | ||
| Install Nagios Core 3 <observability/install-nagios> | ||
| Install Nagios Core 4 <observability/install-nagios> | ||
| Use Nagios with Munin <observability/use-nagios-with-munin> |
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This doc is still instructing how to install nagios 3, not 4. Not something to fix in this PR, but perhaps we should file an issue to update "use-nagios-with-munin" to use nagios 4.
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Description
This PR addresses changes requested in #273, which was abandoned by the author.
As discussed in that PR, we don't want to just take away the LMA pages - they are not recommended, but they are still valid. Therefore, adding the "recommended" option to the top of this page while adding a deprecation notice for the LMA stack is sufficient - for 26.04 we will look to deprecate those pages fully.
This PR also adds the Nagios 4 installation guide in place of the former (extremely outdated) Nagios 3 page. This page was very kindly contributed by costarican via issue #59. Thank you for all your hard work on this page!
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