DIGITAL GUIDE FOR MODERN LIFE
Clear explanations about the internet, software and computers — without jargon for its own sake.
Choose a shelf, then follow a practical explanation at your own pace.
Useful context for the moments when a setting, acronym or warning makes you stop and ask why.
Intel X520 adapters (X520-DA1 with one SFP+ port, X520-DA2 with two) are among the most common 10 GbE cards in second-hand servers and home labs. They are cheap,…
Read the guide →Some updates replace files that a running process already loaded into memory. The old code can continue running until the process restarts, so the operating system schedules a…
Read the guide →Public-key cryptography uses a related key pair. A public key can be shared with anyone; a private key must remain secret.
Read the guide →A single backup can fail at the same time as the original through theft, fire, ransomware, account deletion or a simple storage error. Independent copies reduce the chance…
Read the guide →An API is an agreed way for one program to request data or an action from another. It defines endpoints, inputs, outputs, authentication and error behaviour.
Read the guide →Email moves through several systems. A sending client submits a message to a mail server, which looks up the recipient domain's mail records and transfers the message to…
Read the guide →OUR APPROACH
Every guide starts with a real question, defines the terms, explains the mechanism and ends with a practical next step.
