• Using nmap to brute-force SSH

    2 min read

    If we have a bunch of Raspberries on our network and we want to make sure we are not using the default password on any of them, we can using nmap fo trying to brute-force into them

    15/09/2021

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  • unable to retrieve the complete list of server APIs

    2 min read

    While performing any action we might encounter the following error:

    error: unable to retrieve the complete list of server APIs: metrics.k8s.io/v1beta1: the server is currently unable to handle the request
    

    03/05/2021

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  • JVM heap options: Xmx and Xms

    2 min read

    The Xmx and Xms settings are most commonly overlooked settings but yet quite critical for the JVM to perform as expected. They control the JVM's heap: the memory area where objects are instantiated.

    15/04/2021

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  • Inspecting resources on the terraform state

    1 min read

    While debugging an issue it can be quite handy to be able to inspect the terraform state. We can inspect specific resources by using terraform state show

    12/04/2021

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  • find and findstr: grep for Windows

    2 min read

    On a Windows server there's also a way of fitering other command's output just like you would do using grep on a Linux: You can do it using find and findstr

    09/04/2021

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From pet to cattle
Treat your kubernetes clusters like cattle, not pets