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Tutorials

Category: All Tutorials

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.

Antti Louko

How to reset root password on Cloud Server

Resetting the root password of your cloud server is fairly straightforward and will only take a few minutes to complete.

Janne Ruostemaa

Editor-in-Chief

How to install Let’s Encrypt on Nginx

This guide outlines the steps for installing their Certbot client and how to use it to manage certificates on your CentOS 7 server running Nginx.

Janne Ruostemaa

Editor-in-Chief

How to install Let’s Encrypt on Apache2

This guide outlines the steps for installing the Let's Encrypt certbot client and how to use it to manage certificates on Ubuntu 16.04 or later running Apache2.

Janne Ruostemaa

Editor-in-Chief

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2FA – Two-factor authentication

For additional security, UpCloud supports two-factor authentication also known as 2FA.

Janne Ruostemaa

Editor-in-Chief

How to install Snort on Debian

Deploy Snort on Debian 9. Learn to install & configure this powerful network intrusion detection system (NIDS) to monitor traffic and enhance server security.

Janne Ruostemaa

Editor-in-Chief

How to install Snort on CentOS

Deploy Snort on CentOS 7. Learn to install & configure this powerful network intrusion detection system (NIDS) to monitor traffic and enhance server security.

Janne Ruostemaa

Editor-in-Chief

How to install Fail2ban on Ubuntu

Fail2ban is an intrusion prevention framework, which works together with a packet-control system or firewall installed on your server.

Janne Ruostemaa

Editor-in-Chief

How to install Fail2ban on CentOS

Secure your CentOS server. Learn to install & configure Fail2Ban to prevent intrusions, block failed login attempts, and enhance security with this tutorial.

Janne Ruostemaa

Editor-in-Chief

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