Nmap is a great tool for discovering the network services and ports that your server is exposing to the network. In this guide, we will discuss some basic information about networking ports and how you can use nmap to find your weaknesses.
This tutorial will cover how to set up Graphite and Statsd on your server. Graphite is a graphing library that can be used to plot data-sets in a visually appealing way. Statsd is a program that can collect data on your system. When these programs are combined, you can generate useful graphs that describe the trends of your server.
In this tutorial, we will setup a basic website using Ajenti V from the Ajenti control panel and create an email account on your website’s domain.
After completing this tutorial, you’ll have created Nagios Plugins with PHP on an Ubuntu 12.10 virtual server.
OSSEC is an open source, host-based intrusion detection system (HIDS) that performs log analysis, integrity checking, Windows registry monitoring, rootkit detection, time-based alerting, and active response. This tutorial will show you how to install and configure OSSEC to monitor a cloud servers running FreeBSD 10.1.
L’auteur a choisi le COVID-19 Relief Fund pour recevoir un don dans le cadre du programme Write for DOnations. Grafana est un outil de…
DenyHosts is a security tool written in python that monitors server access logs to prevent brute force attacks on a virtual private server. The program works by banning IP addresses that exceed a certain number of failed login attempts. This tutorial explains how to install denyhosts, how to whitelist your IP address, and where to find the denyhosts configuration file. It is written for Ubuntu 12.04.
Munin is a helpful utility that provides a visual way to monitor a VPS. It is set up to be extremely plug and play. It can be installed very quickly through apt-get. We will be using Ubuntu 12.04 in this guide.
IP Geolocation, the process used to determine the physical location of an IP address, can be leveraged for a variety of purposes, such as content personalization and traffic analysis. In this tutorial, we will show you how to create a visual geo-mapping of the IP addresses of your application’s users, by using a GeoIP database with Elasticsearch, Logstash, and Kibana.
Checkmk is a monitoring solution that is both robust and simpler to install than many of its competitors. It is a self-contained software bundle that combines Nagios (a popular and open-source alerting service) with add-ons for gathering, monitoring, and graphing data. It also comes with Checkmk’s web interface — a comprehensive tool that addresses many of Nagios’s shortcomings. In this guide we will set up Checkmk and monitor two separate hosts: an Ubuntu 18.04 server and a CentOS 7 server.
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