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Node.js app in cPanel returns 503: the usual causes

A 503 error on an application created under “Setup Node.js App” almost always means the same thing: the server tried to start the application and it did not start, or…

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Putting a CodeIgniter application on cPanel hosting

A CodeIgniter application runs well on cPanel hosting, as long as the domain points at the application’s public folder and not at the project root. That is the one thing…

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

WebSockets and Socket.IO: what to expect on cPanel and on a VPS

A chat, a dashboard that updates by itself, live notifications: all of these need a connection that stays open between the browser and the server, instead of the usual request…

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

Permission denied in a Node.js or Python app on cPanel: ownership, modes and folders

EACCES: permission denied in Node.js, PermissionError: [Errno 13] in Python. The application tried to do something its user cannot. The short answer: on a shared account the application runs as…

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

Moving to cPanel from Plesk, DirectAdmin or another panel: what moves and what you rebuild

A control panel is just the shop window for five things that exist on any server: files, databases, mailboxes, DNS records and scheduled tasks. So changing panels means copying those…

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

Letting an outside address reach your MySQL: Remote MySQL in cPanel

cPanel has a tool called Remote MySQL, where you type the IP address of whoever may connect to your database. There is one thing the screen does not say: port…

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Mailing lists in cPanel: one address for a whole group

Do you want one address, like team@your-domain, that delivers the same message to every member of a group, and where everyone can reply to all? That is what cPanel’s Mailing…

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

Python in cPanel: virtual environments and pip

In cPanel, Python runs through “Setup Python App”, which offers Python 2.7 and the 3.3 to 3.13 versions. Each application has its own virtual environment, created by the tool, and…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseSupport & Account

Account area, cPanel or webmail: which login do you need?

You have three different places to sign in, each with its own password, and mixing them up is the commonest cause of a “cannot sign in” that turns out to…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseComparisons and alternatives

cPanel, DirectAdmin or Plesk: what actually differs between control panels

They do the same job with different menus. All three are hosting control panels: a web page where you create e-mail accounts, databases, domains, DNS records and backups without typing…