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MozOut - South Africa www.my.mozout.com › My MozOut › 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…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseSecurity

Someone is sending e-mail in the name of your domain: what SPF, DKIM and DMARC do about it

The short answer: sending an e-mail that looks as if it comes from [email protected] is trivial: the sender address is written freely, like the return address on a letter. To…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseBackups & Migration

Looking inside an old backup without restoring over the live site

To look at an old copy without touching the live site, use JetBackup’s Download instead of Restore: the copy is prepared for you to download, you open it on your…

MozOut - South Africa www.my.mozout.com › My MozOut › 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…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseDatabases

SQLite or MySQL: which one fits a small project

The short answer: SQLite fits a small application with few users writing at the same time and nobody from outside needing the database. MySQL (here, MariaDB) fits anything that is…

MozOut - South Africa www.my.mozout.com › My MozOut › 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…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseNode.js, Python & Docker

Where console.log and print output goes, and how to read your app logs

On your computer, console.log (Node.js) and print (Python) show up on screen. A server has no screen, and the question is where they went. The short answer: on shared hosting,…

MozOut - South Africa www.my.mozout.com › My MozOut › 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,…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseDatabases

Moving a database to another account or server

Export the database from the source, create an empty database and user at the destination, import the file and point the application at the new connection details. What always changes…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseWordPress & CMS

The “HTTP error” when uploading images to WordPress

You drag a photo into the media library, the bar fills up, and at the end it says “HTTP error” and nothing else. The message tells you nothing because all…