Monitoring memory usage

Understanding how Linux manages memory can actually be a somewhat complex topic, as understanding how much memory is truly free can be a small hurdle for newcomers to overcome. There's even a website dedicated to the topic of Linux RAM usage, which features a rather hilarious leading graphic:

Monitoring memory usage

The front page of the website

You'll soon see that how Linux manages memory on your server is actually fairly straight forward. For the purpose of monitoring memory usage on our server, we have the free command at our disposal, which we can use to see how much memory is being consumed at ...

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