backend development
How to Use Redis the Right Way: Fast Caching Without Losing Data
Redis caching means keeping frequently used data in Redis, an in-memory key-value store, so your app can answer common reads from RAM instead of m…
Redis caching means keeping frequently used data in Redis, an in-memory key-value store, so your app can answer common reads from RAM instead of m…
To understand how operating systems work, it helps to see the OS as a referee. It is the layer that manages your hardware and serves every running…
To secure SSH on Linux, you make three changes: allow only SSH key logins, block root from logging in, and use a firewall that lets in only the po…
An AWS VPC, Auto Scaling and a load balancer together give you a web tier that keeps serving traffic when a server fails or demand rises. This gui…
To understand how web servers handle requests, picture a program that waits on a network port, receives your browser's message, works out what…