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Posts published in “Day: May 5, 2021

k3s quickstart

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Prerequisites Additionally to having a bunch of VMs or bare-metal servers, it is also required to have two password-less SSH login and password-less sudo already being setup in order to…

Passwordless SSH Login

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On the host create the private and the public key: ssh-keygen Just hit enter to keep the default values. Usually, I only needs this for some uncritical test- and development-setups…

Passwordless sudo

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When executing commands as another user, then sudo is your friend. Of course, one needs to authenticate correctly. But in day-to-day work it is tedious having to provide the password all the…