Is it possible to get a larger view of the CPU graph shown in the bottom right of my Raspbian desktop?
Just to show the graph I am talking about:
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did you look into using the system recently displayed on the RaspberryPi.org blog? https://github.com/davidsblog/rCPU
There is no way to make the panel applet larger, but there are several alternatives that will do what you want. Some simple methods to get the same info from the terminal include:
If you want something graphical you have several options than span a large range of complexity and resource requirements:
The last one would probably be my choice if you don't already have a monitoring solution in place. It is fairly easy to setup and get working on the Pi, allows tracking multiple stats. if IRC it does not have alerts, nor does it keep historical records (but this may be more than you need.
One last option is to ship the data to a third party service that will graph the received data. This may incur a cost and may present a security concern. Observium is just one option in this space, there is even a Pi specific tutorial
This is by no means an exhaustive list, but they are some of the more popular solutions. A quick google search for graph Raspberry Pi CPU or monitor CPU Raspberry PI. Should turn up several more options.