I may expand this later. . . .
Query the file /proc/sys/kernel/random/uuid for a globally unique value. It produces a new value on each read. For a globally unique value that’s persistent between machine startup, query /proc/sys/kernel/random/boot_id.
[earth:/]120 % cat /proc/sys/kernel/random/uuid
78345a49-875f-48d3-aa80-130db5e57991

[earth:/]121 % cat /proc/sys/kernel/random/uuid
d258123d-f2bd-49c0-89d6-e4db5d377776

[earth:/]122 % cat /proc/sys/kernel/random/boot_id
e58a255a-0f6c-418f-ac0b-0fac81a5ff4a

[earth:/]123 % cat /proc/sys/kernel/random/boot_id
e58a255a-0f6c-418f-ac0b-0fac81a5ff4a

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I went to my general practitioner for a check-up today. Despite visiting my endocrinologist four times a year and my ophthalmologist semi-annually, this was my first GP visit in several years. I know, I know; I should have those annual visits at least once a year, just in case there’s something hiding in [...]

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I have diabetes.
If you know me in real life, you probably know that. You’ve probably seen me testing my blood glucose or giving myself insulin. If you’re “lucky,” you might have heard me say stupid/funny things when I’m hypoglycemic. You may have also had occasion to fret over me once or twice. [...]

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