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

Deploying a Node.js or Python app from Git: pull, install, restart

Publishing over FTP works, until the day you forget a file. With Git, deployment becomes the same sequence every time: pull the code, install the dependencies, restart. On a PHP…

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

File upload fails with failed to open stream or move_uploaded_file: the causes, in order

The file reaches the server, PHP stores it in a temporary folder and your code tries to move it to its final place with move_uploaded_file(). If that step fails, the…

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

Keeping a Node.js app running on a VPS with PM2

If you run node app.js in an SSH session, the application dies when the session closes, and does not return if the server reboots. PM2 is a process manager for…

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

Subdomain or folder: where to put a blog, a shop or a test site

Short answer: what should strengthen the main site, such as a blog of articles, goes better in a folder (yourcompany.com/blog). What is technically separate, such as a test site, an…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseDomains & DNS

Pointing a subdomain to another server or service: A record or CNAME

You want the main site to stay with us and shop.yourcompany.com to open somewhere else: a shop platform, a status page, an application on a server of yours? That takes…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseSpeed, Cache & CDN

Browser caching with .htaccess

Browser caching is the kind that lives on the visitor’s own computer: if the logo, the CSS and the JavaScript arrive with an instruction saying “keep this for a while”,…

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

Copying mailboxes with imapsync: how it works and what to prepare

imapsync is a command-line tool that connects to two IMAP mailboxes, the source and the destination, and copies messages folder by folder, skipping those already there. That is why you…

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

Handing a website over to a client or another company: what to move and what to change

Handing over a site is four different things, and each has its own owner: the domain, the hosting account, the content, and the third-party accounts (analytics, e-mail, payments). The usual…

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

What a backup does not include: DNS, cron jobs, certificates and outside services

A copy only holds what lives inside the account, and only what that kind of copy picks up. Many people find out the rest on the day they need to…

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

Backing up with mysqldump and pg_dump, and restoring the copy

Over SSH, you copy a MySQL or MariaDB database with mysqldump and a PostgreSQL database with pg_dump. Each produces a file you restore with mysql or with psql/pg_restore. It is…