In this tutorial, we will go over the installation of Logstash 1.4.2 and Kibana 3, and how to configure them to gather and visualize the syslogs of our systems in a centralized location. Logstash is an open source tool for collecting, parsing, and storing logs for future use. Kibana 3 is a web interface that can be used to search and view the logs that Logstash has indexed.
When configuring a server for a website, there are some common conditional actions you may need to implement. For example, maybe some files should be cached by the user’s browser for longer than others, or some parts of the website should only be allowed via a secure…
In this tutorial, you will learn how to generate and use one-time passwords to log in to your remote FreeBSD server. You can pregenerate one or more one-time passwords when you’re in a safe location, and save them for later when you access your server from a less secure location. That way, even if your one-time password gets logged, it won’t ever be useful to an attacker.
Prometheus is an open source monitoring system which stores all its data in a time series database and offers a multi-dimensional data-model and a powerful query language. The Prometheus project also includes PromDash (a browser-based tool that can be used to develop custom dashboards) and an experimental AlertManager capable of sending alerts via e-mail.
Rsync es una herramienta para sincronizar directorios locales y remotos de manera inteligente. En este artículo, analizaremos el funcionamiento básico de esta utilidad para copiar archivos de un directorio a otro y de un sistema a otro.
SSH est un outil important utilisé pour administrer des serveurs Linux distants. Dans ce guide, nous aborderons l’utilisation de base de cet utilitaire et la manière de configurer votre environnement SSH.
In this tutorial, we will see how you can install LESS and get started using it on the server-side. For this, it assumes you are already running your own VPS with Ubuntu and a web server installed on it if you want to see something in the browser (but not necessary at this level). Additionally, you will have to install Node.js and NPM (Node Package Manager).
A MySQL transaction is a group of logically related SQL commands that are executed in the database as a single unit. Transactions are used to enforce ACID (Atomicity, Consistency, Isolation, and Durability compliance in an application. This is a set of standards that govern the reliability of processing operations in a database. In this tutorial, you will use the PDO PHP Extension, which provides an interface for working with databases in PHP, to perform MySQL transactions.
Vuls is an open-source, agentless vulnerability scanner written in Go. It automates security vulnerability analysis of the software installed on a system. In this tutorial, you’ll deploy Vuls to an Ubuntu 18.04 server — building Vuls and its dependencies from source code, configuring scanning and reporting to Slack, and optionally connecting it to target machines to enable remote scanning.
This tutorial includes a bash script that checks if a certain program is running. If it is not running, the script will start it up. Additionally the tutorial includes steps on setting up the simple script as a cron job.
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