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Overdue Observability updates #387

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Overdue Observability updates #387

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5d6d3a4
Update deprecation warning to page
s-makin Oct 30, 2025
cbad9aa
update from nagios 3 to nagios 4
s-makin Oct 30, 2025
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21 changes: 11 additions & 10 deletions how-to/observability.rst
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Expand Up @@ -5,23 +5,24 @@ Observability

In Ubuntu, it is recommended to use the
`Canonical Observability Stack <https://documentation.ubuntu.com/observability/>`_
to monitor your infrastructure.
to monitor your infrastructure. For more information, see the following links:

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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@panlinux panlinux Nov 6, 2025

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These two links are 404s at the moment, are they correct?

* `The OpenTelemetry Collector snap <https://snapcraft.io/opentelemetry-collector>`_

.. toctree::
:titlesonly:
Classical options
=================

Set up your LMA stack <observability/set-up-your-lma-stack>

If you do not need a full LMA stack, there are some other supported tools that
can provide similar capabilities.
While the classic Logging, Monitoring and Alerting (LMA) stack still works, it
is no longer recommended. The documentation in this section will be deprecated
for Ubuntu 26.04 LTS and onward.

.. toctree::
:titlesonly:

Set up your LMA stack <observability/set-up-your-lma-stack>
Install Logwatch <observability/install-logwatch>
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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@panlinux panlinux Nov 6, 2025

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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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