Tools for Regular Operations
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For example, we can check the
system graphs on performance, as shown in the following screenshot:
Figure 4.13 – Cockpit graphs in Usage Graphs dashboard
Cockpit allows us to check a service’s status and package upgrade status, plus other configuration settings from a graphical interface that can also connect remotely to other systems. These can be selected from the lateral menu on the left.
There are better tools suited for large deployment
monitoring and management, such as Ansible and Satellite, so it is important to get used to the tools we have for troubleshooting and simple scripts we can build. This allows us to combine what we’ve learned so far to quickly generate hints about things that require our attention.
With that, we have covered some of the basics of checking resource usage. Now, let’s checkout how to find information about the running services and errors we can review.
Finding logs, using journald,
and reading log files, including log preservation and rotation
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