Infraista blog

Notes from the infrastructure team

Tutorials, product updates and practical guides for running servers, clusters and data on Infraista.

Cloud Server quick start: from sign-up to your first SSH login

Create an account, deploy a Cloud Server in the region you want, log in over SSH and do the five things every new server needs.

Hannah Clarke · Oct 5, 2026 · 5 min read

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Tutorials

SSH keys: generate one, add it to the console and use it

Create an ed25519 key on your own machine, store it in the console, install it on a server and stop using root passwords.

Marcus Reed · Sep 28, 2026 · 4 min read

Guides

Locked out of your server? Use the console, rescue mode or a root password reset

When SSH stops answering, the browser console, rescue mode and root password reset get you back in. Here is which to use and when.

Marcus Reed · Sep 21, 2026 · 5 min read

Guides

Reinstalling a server's operating system safely

A reinstall wipes the disk and gives you a clean OS. How to prepare, run it from the console, and get back in afterwards.

Nikolay Dimitrov · Sep 14, 2026 · 4 min read

Guides

Troubleshooting network issues and sending support a useful MTR report

Rule out the usual suspects, run MTR in both directions and send support a report we can act on straight away.

Marcus Reed · Sep 7, 2026 · 5 min read

Tutorials

Connecting from Windows with PuTTY and SSH keys

Generate a key with PuTTYgen, install it on your Cloud Server, save a session and avoid the format mistake that catches most people.

Hannah Clarke · Aug 31, 2026 · 4 min read

Tutorials

Importing a large MySQL database and allowing remote connections safely

Import multi-gigabyte dumps from the command line, then open MySQL to one trusted IP without exposing it to the whole internet.

Nikolay Dimitrov · Aug 24, 2026 · 5 min read

Tutorials

Wildcard SSL certificates with Let's Encrypt (DNS-01), and fixing mixed content

Issue a *.example.com certificate with certbot and DNS validation, keep it renewing, and clear the mixed-content warnings that follow.

Marcus Reed · Aug 17, 2026 · 5 min read

Tutorials

Using Git over SSH on your server

Pull private repositories onto a Cloud Server with a read-only deploy key, deploy safely, and keep .git out of your web root.

Hannah Clarke · Aug 10, 2026 · 4 min read

Engineering

Redis vs Memcached: choosing an object cache for your server

What an object cache does, where it helps, how Redis and Memcached differ, and how to install and secure Redis on a Cloud Server.

Nikolay Dimitrov · Jul 27, 2026 · 5 min read

Guides

SSL/TLS vs STARTTLS: which SMTP port and setting your app should use

Port 465 or 587? Implicit TLS or STARTTLS? What the settings mean for an app sending mail from a server, and how to test them.

Hannah Clarke · Jul 15, 2026 · 5 min read

Tutorials

Installing a free control panel (aaPanel or CyberPanel) on a Cloud Server

Prefer a web UI for sites, databases and SSL? Install aaPanel or CyberPanel on a clean Ubuntu server and lock it down before going live.

Nikolay Dimitrov · Jul 1, 2026 · 5 min read

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