Brian Beach 12/14/2014

Configuring a Linux Swap Device with Cloud-Init

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This technical article explains how to use Cloud-Init's cloud-config syntax to create and persistently mount a swap volume on an AWS EC2 instance, utilizing ephemeral storage. It details the script components, including repo updates, mount configuration, and the critical difference between `bootcmd` and `runcmd` for ensuring the swap is configured on every boot.

Configuring a Linux Swap Device with Cloud-Init

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