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Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseAutomation & n8n

n8n and your database: the MySQL and PostgreSQL nodes

n8n’s MySQL and PostgreSQL nodes let a workflow query, insert and update rows directly in a database. The node is the easy part. The hard part is reaching the database…

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

Moving a site from shared hosting to a VPS: what changes when you run the server

Copying the files and the database to a VPS is the same as any other migration. The difference is in what does not come: a VPS arrives empty, with no…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseSupport & Account

Account area, cPanel or webmail: which login do you need?

You have three different places to sign in, each with its own password, and mixing them up is the commonest cause of a “cannot sign in” that turns out to…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge basePHP & Development

Sending e-mail from PHP: mail() or SMTP

Use SMTP with a real mailbox on your domain. The mail() function is fine for a quick test, but it returns “sent” only because the local mail program accepted the…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseComparisons and alternatives

Subdomain or folder: where to put a blog, a shop or a test site

Short answer: what should strengthen the main site, such as a blog of articles, goes better in a folder (asuaempresa.ao/blog). What is technically separate, such as a test site, an…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseComparisons and alternatives

HTTP or HTTPS: what changes for visitors, forms and the services that call your site

Short answer: use HTTPS, always. Here every domain gets a free SSL certificate automatically, so the real question is almost never “do I have to buy one?” but “is my…

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

Copying mailboxes with imapsync: how it works and what to prepare

imapsync is a command-line tool that connects to two IMAP mailboxes, the source and the destination, and copies messages folder by folder, skipping those already there. That is why you…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseAutomation & n8n

Receiving a webhook in PHP and checking its signature

A webhook is a request another service makes to you when something happens. In a PHP file on your site you receive it in four steps: read the raw body,…

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

Redirecting HTTP to HTTPS and www to the bare domain in nginx or Apache

On a VPS you choose one canonical address (for example https://yourdomain.tld) and send everything else there with a 301 redirect: HTTP to HTTPS, and www to the bare name (or…

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

Moving to cPanel from Plesk, DirectAdmin or another panel: what moves and what you rebuild

A control panel is just the shop window for five things that exist on any server: files, databases, mailboxes, DNS records and scheduled tasks. So changing panels means copying those…