Tutorials

Guides and instructionals

Browse and discover tutorials and guides on UpCloud products and services as well as popular technologies and our partners’ services.

How to regain access to a server that was deployed using SSH keys

When deploying a Linux Cloud Server using SSH keys as the login method, the root user account is created without a password. This method greatly improves security but can present challenges if you lose your private key and need to regain access to the server. The first step in the process involves acquiring new root […]

Security

How to generate SSH Keys using PuTTY

If you’re using a Windows laptop or PC with the PuTTY SSH client, you can create a new SSH key pair using the built-in key generator called PuTTYgen. To generate a new key, open PuTTYgen and click the Generate button. In the Key Generator window, check that the type of key to generate at the […]

Integrations

Security

Private VPN Server using UpCloud and UTunnel

How to set up a private VPN Server using UpCloud and UTunnel

UTunnel is an easy-to-setup VPN as a Service (VPNaaS) provider, offering robust VPN and Zero Trust networking solutions targeted towards small and medium businesses. UTunnel enables easy VPN server deployment and administration, as well as trouble-free user management. UTunnel offers two options to set up your VPN server on UpCloud: the Integrated Cloud option and […]

Integrations

Networking

Security

Perimeter 81 adding tunnel

How to set up secure access to UpCloud with Perimeter 81

Perimeter 81 makes securing the connection to cloud resources extremely easy with simple setup on Cloud Servers and an easy to use client.

Integrations

Networking

Security

How to install DNSCrypt on Cloud Server

DNSCrypt enabled authenticating communications between DNS clients and DNS resolvers which is easy to install on your Cloud Server.

Integrations

Networking

Security

Configuring Shadowsocks SOCKS5 proxy server

How to install Shadowsocks-libev SOCKS5 proxy server

Shadowsocks-libev is a lighter and faster open-source port of the Shadowsocks SOCKS5 proxy ideal to protect privacy on the Internet.

Networking

Security

How to get started with WireGuard VPN

WireGuard is a fast and modern VPN that utilizes state-of-the-art cryptography. In this tutorial, we will set up WireGuard on Ubuntu 18.04 server.

Integrations

Networking

Security

How to reset Windows administrator password

Resetting the administrator password of your Windows cloud server is fairly straightforward and will only take a few minutes to complete by following our step by step guide.

Security

Windows

iptables

How to setup iptables firewall effortlessly using ‘recent’ triggering and ipset

In this quick guide to iptables and ipset we'll put a stop to the ever so prevalent issue of brute force SSH attempts on Linux cloud servers.

Networking

Security

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