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

Creating a subdomain on Cloudflare

With the domain on Cloudflare, creating a subdomain becomes a job of two halves, in two different panels. Doing only one of them is the cause of practically every "I…

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

Uptime: what counts as being down, and what we do about it

We publish a monthly uptime commitment for our infrastructure. The exact figure and the conditions live in the Support Policy and in the frequently asked questions. This article covers the…

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

Switching the CDN off, and confirming it really is off

There are three ways to switch a CDN off, and they are very different from one another. Picking the wrong one gets you one of two results: either nothing is…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseE-mail

Testing IMAP, POP3 and SMTP by hand with openssl s_client: a guide for technical users

This article is for technical users with a command line (Linux, macOS, or Windows with OpenSSL). The short answer: openssl s_client opens an encrypted connection to the server and lets…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseVPS & Servers

Where are the logs on a Linux VPS: journalctl and /var/log

On a Linux VPS the logs live in two places: in the systemd journal, read with journalctl, and in files under /var/log. On Debian and Ubuntu nearly everything shows up…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseVPS & Servers

Your first hour on a new Windows VPS: updates, users, firewall and backups

The short answer: a new Windows VPS is ready to use but not ready to expose. In the first hour there are six things to do, in this order: change…

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

AutoSSL behind Cloudflare: why the free certificate leaves names out or fails to renew

The short answer: the server’s free certificate (cPanel’s AutoSSL) is still needed with Cloudflare in front: it protects the leg between Cloudflare and the server in Full (strict) mode, and…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseVPS & Servers

No space left on device: finding what fills your VPS disk

The error No space left on device means one of two things: the space has run out, or the inodes have (the number of files the disk will accept). Check…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseVPS & Servers

HestiaCP and VestaCP on a VPS: what the panel gives you and what stays your job

This article is for people with a VPS or a dedicated server with root access. On shared plans the panel is cPanel, and you neither choose nor install another one.…

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