Use the blkid command to find the UUID of the device

$ sudo blkid /dev/nvme0n1p1: LABEL="/" UUID="55da5202-8008-43e8-8ade-2572319d9185" TYPE="xfs" PARTLABEL="Linux" PARTUUID="591e81f0-99a2-498d-93ec-c9ec776ecf42" /dev/nvme1n1: UUID="7c4d5e8c-5f26-475f-b985-5a1411359058" TYPE="ext2" /dev/nvme0n1: PTUUID="83181c97-6d5e-43c9-9ede-e2f50ead5338" PTTYPE="gpt" /dev/nvme0n1p128: PARTLABEL="BIOS Boot Partition" PARTUUID="4908ae49-9d5b-423e-a23c-a507a47bacf5" /dev/nvme2n1: PTUUID="5a72544b-a4e2-4bbe-aed0-04f727374581" PTTYPE="gpt" /dev/nvme2n1p1: LABEL="/" UUID="577849ee-6d06-4473-9eec-074495a45d70" TYPE="xfs" PARTLABEL="Linux" PARTUUID="7ba2672d-1d11-4f12-9358-2edd6b813413" /dev/nvme2n1p128: PARTLABEL="BIOS Boot Partition" PARTUUID="5a9fc16d-ac21-49f8-8880-28c8f8d2e8bf"

A template contains variables which are replaced by the values which are passed in when the template is rendered.

There are less of static data and more of dynamic data being requested from clients in the modern web world

Variables are helpful with the dynamic data.


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