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Networking

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Attaching new IP addresses

After attaching a new IP address, there are some operations that must be done at the operating system level in order for your server to become aware of the changes.

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How to configure load balancing using Nginx

This guide describes how to set up load balancing with nginx for your cloud servers.

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Managing network settings

You can manage your cloud server's network settings by adding and removing IP addresses and setting a reverse DNS name.

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How to troubleshoot network connectivity with Linux server

When your server seems to be offline or otherwise inaccessible, you should always be able to log in with the Web Console at your UpCloud control panel.

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How to install Snort on Ubuntu

This guide shows how to configure and run Snort in NIDS mode with a basic setup that you can later expand as needed.

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How to configure iptables on CentOS

In this guide, we'll show you some helpful commands for using iptables to secure your CentOS server.

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How to configure iptables on Ubuntu

In this guide, we'll show you some helpful commands for using iptables to secure your Ubuntu server.

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How to configure iptables on Debian

In this guide, we'll show you some helpful commands for using iptables to secure your Debian server.

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How to install Snort on CentOS

This guide shows how to configure and run Snort in NIDS mode with a basic setup that you can later expand as needed.

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How to install Snort on Debian

This guide shows how to configure and run Snort in NIDS mode with a basic setup that you can later expand as needed.

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How to install OpenVPN Access Server in the cloud

A virtual private network or VPN for short is a convenient way of setting up a secure connection to another networked host. OpenVPN Access Server is open-source software that implements VPN techniques through custom security protocols. VPN connections can be essential for development environments, allow secure browsing over public WiFi, or provide an anchor point […]

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How to use NicTool to set up your own domain name server

This article describes instructions and configuration examples for setting up two DNS servers and an administrative web interface with NicTool.

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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.

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How to manage floating IP addresses

Floating IP is a static public or private IPv4 address that can be attached to your cloud server.

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How to configure SDN Private networks

Private networks offer unrestricted secure networking customisable by you.

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How to configure SDN Private networks using the UpCloud API

SDN Private networks offer unmetered secure networking customisable by you and they are quick to configure using the UpCloud API.

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How to install secure MQTT broker on Ubuntu

In this tutorial, you will learn how to install, configure and secure an MQTT broker using the popular message broker Mosquitto.

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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.

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How to connect private networks using SDN Router API

Configuring SDN Router via the API makes it easy to connect any number of SDN Private Networks to allow your cloud servers to communicate between networks.

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How to connect private networks using SDN Router

SDN Router enables you quickly and easily connect any number of SDN Private Networks to allow your cloud servers to communicate between networks.

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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.

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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.

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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.

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How to get started with Managed Load Balancer

Sharing work between multiple members of a group is a true and tested method for improving efficiency. However, rarely is it this quick and easy to accomplish by simply configuring Load Balancer! Managed Load Balancer empowers you to effortlessly build resilience and increase application throughput with simple yet flexible configuration. In this tutorial, we’ll introduce […]

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How to add SSL Certificates to Load Balancers

Besides creating and managing Load Balancers, you also have the option to set up certificate management by creating SSL certificate bundles. The certificate bundles can then be easily applied to your Load Balancer frontends to enable HTTPS. In the Certificates section under the Load Balancer menu, click the Add certificates bundle button to get started. […]

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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 […]

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DNS servers and firewall settings

In this guide, we'll explain the DNS settings and how these affect your cloud servers.

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How to configure Floating IP on CentOS

Follow the steps in this guide to find out how to get this done on CentOS servers.

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How to configure Floating IP on Debian

Follow the steps in this guide to find out how to get this done on Debian servers.

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Managing floating IPs using the UpCloud API

Using the UpCloud API for managing your floating IP addresses allows you to perform all necessary operations programmatically and automate failover.

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How to configure Floating IP on Ubuntu

Follow the steps in this guide on how to get this done on Ubuntu servers.

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How to configure Floating IP on Windows

Follow the steps in this guide to find out how to get this done on Windows servers.

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