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Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseVPS & Servers

How to host several websites on one VPS

A VPS has one IP address and can serve as many sites as its memory and processor can carry. The web server picks which one to show from the name…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseAI & Agents

Writing sales and follow-up e-mails with AI without sounding like spam

AI writes the skeleton of a sales e-mail well: opening, reason, a clear ask and a sign-off. What makes it read as spam is not the machine, it is the…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseSecurity

The scan says clean but the site still redirects: where an infection hides

The short answer: a scan only sees what it knows how to recognise. A modern infection hides outside the files you look at first (in the database, in an .htaccess,…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseSpeed, Cache & CDN

HTTP/2 and HTTP/3: how to see which one your site uses, and whether it matters

HTTP/2 and HTTP/3 are two newer versions of the “conversation” between the browser and the server. Our web server (LiteSpeed) speaks HTTP/2 and advertises HTTP/3; we measured that on a…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseNode.js, Python & Docker

Deploying a Next.js app: static export or Node server, and where each one fits

Next.js can come out in two very different ways, and picking the wrong one lies behind almost every deployment problem. The short answer: if your site does not need code…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseWhatsApp & APIs

Evolution API and n8n: a working flow

The most requested flow is this: a WhatsApp message arrives, n8n decides what to do and replies. In practice there are three pieces: a webhook that receives the message from…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseWhatsApp & APIs

Installing Evolution API with Docker Compose on a VPS

You install Evolution API on a VPS with Docker Compose: one file describes the services (the API, the database and, in many guides, Redis), a second file holds the settings,…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseWhatsApp & APIs

The WhatsApp link on your site does not work: wa.me problems and fixes

When your site’s WhatsApp button does not open the right chat, the cause is almost always the link format: a number with symbols, an address without the https://, or text…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseBackups & Migration

Moving your DNS zone to a new provider and checking it before you switch

Changing nameservers is a switch: the instant the rest of the internet sees it, it starts asking the new provider, and if the zone there is incomplete, whatever is missing…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseVPS & Servers

Running a mail server on your VPS with Postfix: why it is hard, and the alternative

Installing Postfix takes minutes; getting the mail to reach other people’s inboxes is the real work. A new mail server, on an IP with no history, is treated with suspicion…