Como Usar o Traefik como um Proxy Reverso para Containers do Docker no Ubuntu 18.04
O autor selecionou o Girls Who Code para receber uma doação como parte do programa Write for DOnations. O Docker pode ser uma maneira eficiente de executar…
How To Create Nagios Plugins With PHP On CentOS 6
After completing this tutorial, you’ll have created Nagios Plugins with PHP on a CentOS 6 virtual server.
How To Install and Configure NATS on Ubuntu 16.04
NATS is an open source high performance messaging system, often described as “a central nervous system for the cloud”. In this tutorial you’ll configure gnats, the official NATS server and create a basic server overload warning system that sends out emails when server load gets too high, using `gnatsd` as its message broker.
Cómo instalar y proteger Grafana en Ubuntu 20.04
El autor seleccionó el COVID-19 Relief Fund para que reciba una donación como parte del programa Write for DOnations. Grafana es una…
How To Install DenyHosts on CentOS 6
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 CentOs.
How to Install Linux Socket Monitor (LSM) on CentOS 6.4
In this article we will be looking at enhancing system security by increasing the level of monitoring performed. We are going to set up Linux Socket Monitor (LSM) which sends out alerts when a new socket / port is created, which is a potential signal of an intrusion by an unknown application taking over its host.
How To Keep Effective Historical Logs with Graphite, Carbon, and collectd on CentOS 7
In this tutorial we will show you how to install and configure Graphite – a tool for storing numeric time-series data and rendering graphs of this data. It consists of three software components:
How To Monitor Server Health with Checkmk on Ubuntu 18.04
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.
How To Set Up a Kubernetes Monitoring Stack with Prometheus, Grafana and Alertmanager on the cloud provider
In this hands-on tutorial, you’ll learn how to set up a preconfigured Prometheus, Grafana and Alertmanager monitoring stack on your Kubernetes cluster.
How To Use Nmap to Scan for Open Ports
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.
