In this tutorial, I will walk you through how to install Docker and Docker Compose on Ubuntu and Debian. Installation of Docker and docker-compose from the official repositories Docker and docker-compose are part of the official repositories of both distributions (Ubuntu and Debian), so just run the two commands below: Installing Docker: Installing docker-compose: The …
In this tutorial, I will explain how to get the real IP address of visitors using CloudFlare services and an Nginx web server. What I will explain to you in this tutorial is valid when Nginx is used as a front-end web server or as a reverse proxy. By default, when using CloudFlare in Proxy …
In this tutorial, I will show you, how to restart a service (systemctl) on Ubuntu/Debian monitor with Zabbix. When we supervise a server and in particular the services, it happens that we want to restart a service which will be “fallen” automatically in order to guarantee a level of service. Restarting a service to fix …
In this tutorial, I will explain how to send decision logs to Elasticsearch (ELK) so that you can create a dashboard to use the logs. What you need to achieve what described in the tutorial: Crowdsec version 1.2.x or higher an Elasticsearch server or an ELK stack Since version 1.2 of Crowdsec, a notification system …
In this tutorial, I will explain how to set up Zabbix with Docker to monitor your server and network infrastructure. For those who follow me regularly, I have long been a fan of PRTG for its “simplicity” but which has certain limits compared to Zabbix. I will come back to it in an article explaining …
In this tutorial, I will explain how to manage your Docker containers with Portainer. Portainer is an application that runs under Docker and will allow you to have a graphical interface (Web) to manage your containers under Docker. With Portainer you will be able to: Create / Modify / Delete containers Administrators your containers (SSH …
In a previous tutorial, I explained how to protect your Linux servers with Crowdsec in order to block “malicious” traffic. For almost 2 months now, the Crowdsec version has been available for Windows. If you are not yet familiar with Crowdsec, here is a brief presentation: Crowdsec will analyze different log files (Web, firewall, SSH, …
After seeing how to install and configure Nginx as a reverse proxy and harden security with Crowdsec, I will explain in this tutorial how to generate a Let’s Encrypt certificate. As a reminder, Let’s Encrypt is a free certification authority, which allows you to obtain SSL certificates for free. If you want to generate SSL …
After seeing how to use Nginx as a reverse proxy, I will explain in this tutorial how to configure the caching of static elements (image, css files, js ….). The use of the cache will reduce the number of HTTP requests to the Web server and therefore reduce this workload. The first step will be …
1. Install Apache2: 2. Enable Apache2 mods: 3. Modify the default virtualhost or create a new one and add: 4. Restart Apache