In this tutorial, you will use Certbot to obtain a free SSL certificate for Nginx on Ubuntu 16.04 and set up your certificate to renew automatically. This tutorial will use a separate Nginx server block file to maintain the default file as a fallback configuration as intended.
Los Ingress de Kubernetes le permiten dirigir de manera flexible el tráfico del exterior de su clúster de Kubernetes a servicios dentro de su clúster. Esto se realiza usando recursos de Ingress, que definen…
Edit the sudoers file safely with visudo. Validate syntax, grant least-privilege with fragments, recover from errors, and harden Linux.
Use this tutorial to setup HTTP Authentication with Nginx on Ubuntu 12.10.
This article will walk you through the installation of wpscan and serve as a guide on how to use wpscan to locate any known vulnerable plugins and themes that may make your site vulnerable to attack. Using wpscan, we can see an outline of the site in a way similar to that of a would-be attacker.
In this tutorial, we will demonstrate how to use Ansible, a configuration management tool, to configure Tinc VPN to secure network communications between your Ubuntu and CentOS servers. The mesh VPN that Tinc provides is especially useful if your servers are using a shared…
MySQL and MariaDB are relational databases used in many unique situations. However, they can pose a security risk for your system and your data if you do not secure them properly. This guide will introduce some basic considerations and steps you can take to ensure that your data is more secure.
A network intrusion detection application can monitor your network interfaces for suspicious traffic and attempted security breaches. In this guide, we will configure a tool called psad to monitor our firewall logs and determine if there is a problem. We will be configuring psad on an Ubuntu 12.04 machine to detect intrusion attempts on our servers.
### IntroductionTahoe-LAFS is a distributed “least-authority” filesystem that can be easily scaled to provide a robust, network aware storage network. With benefits similar to those that RAID configurations gain at the disk level, Tahoe-LAFS leverages a similar model to encrypt and split up…
SSH keys provide a more secure method of logging into a server than using a password. With SSH keys, users can log into a server without a password. This tutorial explains how to generate, upload, and use an SSH key pair, and optionally how to disable password-based SSH authentication.
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