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

Database indexes in phpMyAdmin: the types, the column order, and how to add one

An index is a sorted list of one column (or several) that the database consults instead of reading the whole table. To find a customer by e-mail, with no index…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseE-mail

Error 421 and 451: temporary failures, and why the message is delayed and not lost

An error that starts with a 4 (421, 450, 451, 452) is a “not now, try later” reply. It is not a refusal. The server that sent the message keeps…

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

Which hosting plan for a church or an association: a simple site, events and videos

A church, an association or an NGO usually needs a site that is simple and always up: who we are, opening times, contacts, news and events. That fits one of…

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

Which hosting plan for a portfolio or photography site

A portfolio asks for little processor and plenty of disk space and well-handled images. Images define it: each one is a large file, and a gallery turns into dozens of…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseE-mail

Track Delivery: finding out what happened to a message you sent

“I sent it, and they say they did not receive it.” Instead of guessing, cPanel has a screen that shows the trail of each message that went through the server:…

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

npm, yarn or pnpm: which to use, and why you keep only one lockfile

npm, yarn and pnpm do the same job: they install the libraries your project needs. The short answer: use the package manager the project was created with, and only that…

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

Preparing for a traffic spike: a campaign, a launch or a live event

A traffic spike is not solved on the day: it is solved in the days before. What brings a site down in a campaign is not the total number of…

Interweb Angola www.meu.interweb.ao › Meu Interweb › 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:…

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

Which hosting plan for a membership, booking or course site where visitors log in

A site where people log in with their own account (members area, bookings, courses, a forum) weighs much more than a site that is only read. The reason is a…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseWordPress & CMS

WordPress stuck in maintenance mode

The site shows one dry sentence saying it is “briefly unavailable for scheduled maintenance”, and it will not go away. This happens when an update is interrupted halfway: WordPress put…