Section

Hardware

Hardware questions come down to numbers: watts, terabytes written, hours of battery, the price of an upgrade against what it actually returns. This section does the arithmetic and shows the command that produces your figure rather than ours.

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  How Much Does X Cost

  How Much a Home Server Costs to Run for a Year: The Power-Bill Maths

  The arithmetic laid out so the reader can substitute their own tariff and hardware

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  Is It Worth It

  Is an NVMe Upgrade Worth It on an Older Laptop

  How to identify the slot and link speed before buying, and the tasks where the difference is actually felt

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  Decode A Document

  How Long an SSD Actually Lasts: TBW, DWPD and Warranty Numbers Decoded

  The conversion from rating to expected years plus the command that reads the drive's own written-bytes counter

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  Mistakes

  Laptop Battery Life on Linux: The Mistakes That Cost the Most Hours

  A measurement-first order of work instead of a list of tweaks copied from a wiki

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  Step-By-Step Procedure

  External Drive Not Recognised on Linux: A Step-by-Step Diagnosis

  Each command paired with the conclusion its output allows, including the case of an unsupported filesystem

Older material on this domain, including sponsored placements, lives in the archive.