Guides and instructionals

April 8, 2025

Setting Up a Secure Ruby on Rails Environment on UpCloud: Best Practices

Ruby on Rails (RoR) is a robust, open-source web development framework designed to help developers build applications efficiently. Written in the Ruby programming language, this framework provides a well-defined structure that organizes an application’s code, databases, and logic for seamless development. It follows the Model-View-Controller (MVC) architectural pattern, which separates the business logic, user interface, […]

  • Security

July 7, 2023

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

June 15, 2023

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

January 13, 2023

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

April 27, 2021

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

April 25, 2021

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

August 30, 2020

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

June 19, 2020

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

February 13, 2019

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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