🟢 Low ⏱ 5–15 min Last verified: 17 November 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4451-1 Related CVEs: CVE-2020-15704 Upstream summary: Thomas Chauchefoin working with Trend Micro´s Zero Day Initiative, discovered that ppp incorrectly handled module loading. A local attacker could use this issue to […]
Ganglia is a scalable distributed monitoring system with near real-time performance metrics.
Memcached is a very fast in-memory object caching system that can make Rails run much faster with very few changes. Learn how to use it with Ruby on Rails on Ubuntu 12.04 LTS.
Whether you’re adding more space, evaluating ways to optimize performance, or looking to take advantage of other storage features, this tutorial will guide you through relocating PostgreSQL’s data directory on an Ubuntu 18.04 server.
🟢 Low ⏱ 5–15 min Last verified: 16 November 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4405-1 Related CVEs: CVE-2020-13645 Upstream summary: It was discovered that glib-networking skipped hostname certificate verification if the application failed to specify the server identity. A remote attacker could use this […]
In this article we will construct a distributed build system using Docker to create and run our Jenkins images, as well as Rancher to orchestrate our Docker cluster. By the end of this tutorial, you should be able to easily set up a Dockerized Jenkins deployment with an arbitrary number of slaves.
![Cómo instalar Quickstart en Ubuntu 20.04 [Guía de inicio rápido] — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/how-to-install-postgresql-on-ubuntu-20-04-quickstart-es-82153-featured.png "Cómo instalar Quickstart en Ubuntu 20.04 [Guía de inicio rápido] 7")
PostgreSQL, o Postgres, es un sistema de administración de bases de datos relacionales que proporciona una implementación del lenguaje de consulta SQL. Cumple con los estándares y tiene muchas funciones…
O Postfix é um Agente de Transferência de E-mail (MTA) de código aberto popular que pode ser usado para rotear e entregar e-mails em um sistema Linux. Estima-se que cerca de 25% dos servidores públicos de e-mail na internet executem o Postfix. Neste guia, vamos ensinar como…
Set up highly customizable monitoring with Sensu. This setup includes the Uchiwa dashboard and the ability to create custom check scripts and notifications, with an example to check whether Apache is running and to send an email alert.
🟡 Medium ⏱ 5–30 min Last verified: 15 November 2020 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
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