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

php.ini and .user.ini: where to set a value and what applies where

For a value that suits the whole account, use the Options tab of Select PHP Version. For a value that only suits one folder, put a .user.ini file in that…

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

The free SSL certificate did not renew: why AutoSSL fails and what to check

The short answer: the free certificate that comes with the account (AutoSSL, from Let’s Encrypt) is issued and renewed by itself, but only if the server can prove the domain…

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

File upload fails with failed to open stream or move_uploaded_file: the causes, in order

The file reaches the server, PHP stores it in a temporary folder and your code tries to move it to its final place with move_uploaded_file(). If that step fails, the…

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

Connecting to MySQL from PHP: mysqli and PDO, with a working example

PHP has two ways of talking to the database: mysqli (MySQL and MariaDB only) and PDO (which also serves PostgreSQL and others). For a new project PDO is the safe…

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

Connecting n8n to e-mail: SMTP and IMAP

For n8n to send e-mail you use SMTP; to read it, IMAP. Either way n8n signs in to a mailbox like any e-mail program: it needs the server, the port,…

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

Environment variables and secrets for your application

An environment variable is a value the application reads from outside the code: the database password, an API key, the address of a service. You keep it out of the…

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

File Manager, FTP, SFTP or Git: which way to upload your site

For a small change, use the cPanel File Manager. To upload a whole site or many files, use SFTP (or FTP over TLS) with a program such as FileZilla. For…

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

Switching a PHP extension on or off in Select PHP Version

In cPanel, open Select PHP Version (the Software section), pick the PHP version, open the Extensions tab and tick or untick the extension’s box. That is all, and it takes…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseChoosing the Right Plan

CPU, RAM and disk I/O in plain words: what each one limits on your site

On shared hosting your account lives in a compartment with ceilings of its own for processor (CPU), memory (RAM) and disk reads and writes (I/O). They exist so a noisy…

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

Running a Flask or FastAPI application

Flask runs on shared hosting with no tricks: it speaks WSGI, and that is what the Passenger behind “Setup Python App” expects. FastAPI is different: it speaks ASGI, and Passenger…