Setup K3s on Ubuntu

Useful references:

Install k3s as a service

curl -sfL https://get.k3s.io | sh -

Fix k3s permission denied issues

mkdir ~/.kube 2> /dev/null
export KUBECONFIG=~/.kube/config
sudo k3s kubectl config view --raw > "$KUBECONFIG"
chmod 600 "$KUBECONFIG"

Persist KUBECONFIG across reboots (Optional)

Export KUBECONFIG=~/.kube/config to ~/.bashrc to make it persist on reboot.

nano ~/.bashrc

Add the following line at the end of the file:

export KUBECONFIG=~/.kube/config

Then reload the shell:

source ~/.bashrc

Test the connection

kubectl get all

⌘I

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