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MozOut Mozambique www.meu.mozout.co.mz › Meu MozOut › Knowledge Base Knowledge baseDatabases

Installing PostgreSQL on a VPS

On a VPS running Ubuntu 22.04 LTS, as root, you install PostgreSQL with apt install postgresql postgresql-contrib. The service starts by itself and, by default, listens only on the server…

MozOut Mozambique www.meu.mozout.co.mz › Meu MozOut › Knowledge Base Knowledge baseDatabases

Exporting a database with phpMyAdmin

In cPanel open phpMyAdmin, click the database name in the left column, go to the Export tab, leave the method on Quick and the format on SQL, and click Export…

MozOut Mozambique www.meu.mozout.co.mz › Meu MozOut › 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…

MozOut Mozambique www.meu.mozout.co.mz › Meu MozOut › Knowledge Base Knowledge baseWordPress & CMS

WordPress permalinks and the 404 that follows

You changed the permalinks, moved the site or updated something, and now only the home page opens: everything else returns a 404 error. Almost always the content is fine. What…

MozOut Mozambique www.meu.mozout.co.mz › Meu MozOut › Knowledge Base Knowledge baseDatabases

Creating a database user and giving it the right privileges

A database without a user is no use to anyone, and a user with too many privileges is an open door. In cPanel you do it in MySQL Databases: create…

MozOut Mozambique www.meu.mozout.co.mz › Meu MozOut › Knowledge Base Knowledge baseSpeed, Cache & CDN

Hotlink protection: stop others using your bandwidth

Hotlinking is when another website displays an image of yours straight from your server, instead of keeping a copy on theirs. To their visitor it looks like an ordinary image;…

MozOut Mozambique www.meu.mozout.co.mz › Meu MozOut › Knowledge Base Knowledge baseBackups & Migration

The 3-2-1 backup rule for a website: which three copies, and where to keep them

The 3-2-1 rule says: 3 copies of what matters, on 2 different kinds of storage, with 1 copy away from where the rest lives. The point is not the numbers:…

MozOut Mozambique www.meu.mozout.co.mz › Meu MozOut › Knowledge Base Knowledge baseSecurity

Security headers explained: what they do and how to add them in .htaccess

The short answer: security headers are small instructions your site sends the browser with every page (“do not let anyone put me inside another site”, “do not guess the type…

MozOut Mozambique www.meu.mozout.co.mz › Meu MozOut › Knowledge Base Knowledge baseBackups & Migration

What to back up before you update WordPress, plugins or PHP

Before an update, save three things: the database, the wp-content folder (plus wp-config.php and .htaccess) and a note of the versions you have now. It takes five minutes and is…

MozOut Mozambique www.meu.mozout.co.mz › Meu MozOut › Knowledge Base Knowledge baseSpeed, Cache & CDN

Orange cloud or grey cloud at Cloudflare: which records to proxy and which to leave DNS only

The short answer: every record in Cloudflare’s DNS has a cloud beside it. Orange (Proxied) means visitors talk to Cloudflare and Cloudflare fetches what it needs from the server. Grey…