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

Error 1045 Access denied for user: the causes, in order

Error 1045 means one thing: the connection reached the database, and the database refused the username and password pair. It is not a server that is down or a closed…

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

Reaching MySQL or PostgreSQL through an SSH tunnel, step by step

The database ports (3306 for MySQL, 5432 for PostgreSQL) are not open from outside. An SSH tunnel solves that: it opens a port on your computer that leads, inside SSH,…

MozOut - Kenya www.my.mozout.com › My 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 - Kenya www.my.mozout.com › My MozOut › Knowledge Base Knowledge basePHP & Development

A blank page in PHP: how to see the error

A white page means PHP hit a fatal error and is set not to show it. That is the right setting for a public site, which is why the error…

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

Leaving a hosting provider: how to take everything with you before you cancel

Before you cancel, take five things: the site files, the databases, the e-mail, the list of DNS records, and the list of settings that are not in the files (PHP…

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

I deleted a file or folder by mistake: how to get it back from a backup

If you deleted a file or a folder, getting it back is almost always quick and does not need a restore of the whole account. First look in the File…

MozOut - Kenya www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseChoosing the Right Plan

Which plan for a web application or an API: shared hosting, VPS or Cloud

Start with the simplest and move up only when the application asks for it. An application in Node.js, Python, Ruby or PHP runs on shared hosting, with the version picked…

MozOut - Kenya www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseAutomation & n8n

A cron job that does not run or sends no output: a checklist

Most of the time the cron job does run, and fails for one of six reasons: an incomplete path, an unprotected % sign, the wrong PHP version, a script without…

MozOut - Kenya www.my.mozout.com › My 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 - Kenya www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseAutomation & n8n

A scheduled report by e-mail: a script, a cron job and an SMTP account

To get a summary of the site in your e-mail every morning (the day’s orders, enquiries received, new sign-ups) you need three pieces: a PHP script that fetches the figures…