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Howto get Dell service tag in Linux

A discussion on the Dell poweredge mailing list on a Dell Warranty check, resulted in a small tidbit to discover the Dell service tag from the Linux command line. :)

Using dmidecode | grep -i serial, with or without using sudo or changing to root, you get the service tag of your bare metal Linux server. Using this service tag, you can query Dell support to find out if you still have a warranty.
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