Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure logwatch log analyzer on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]
This tutorial will show you how to redirect a www URL to non-www, e.g. `www.example.com` to `example.com`, with Nginx on CentOS 7.
Redis es un sistema de almacenamiento de claves y valores en memoria conocido por su flexibilidad, rendimiento, soporte amplio en varios idiomas y funciones integradas como la replicación. La replicación es la…
Uma versão anterior deste tutorial foi escrita por Melissa Anderson. O MongoDB, também conhecido como Mongo, é um banco de dados de documentos de código aberto usado em muitas…
In this tutorial, we will show you how to use Topbeat, on an Ubuntu 14.04 server, with an ELK stack to gather and visualize infrastructure metrics. Topbeat, which is one of the several “Beats” data shippers that helps send various types of server data to an Elasticsearch instance, allows you to gather information about the CPU, memory, and process activity on your servers.
🟠 High ⏱ 30–90 min Last verified: 25 May 2026 Affected versions: IBM AIX 7.1 📖 ~4 min read • Source: NVD CVE-2021-29747, IBM Support Bulletin CVE: CVE-2021-29747 NVD summary: IBM InfoSphere Information Server 11.7 could allow a remote attacker to obtain highly sensitive information due to a vulnerability in the authentication mechanism. IBM […]
In this tutorial, we'll use the MediaPlayer class to implement a basic Audio Player in our Android Application. We'll add a Play/Stop feature and also allow the user to change the position of the song with a [SeekBar](/community/tutorials/android-seekbar-and-ratingbar-example-tutorial). Android MediaPlayer MediaPlayer class is used for playing Audio and Video files. The common methods of the […]
Introduction to Robocopy for Scheduled File Backups on Windows Server 2019 Robocopy (Robust File Copy for Windows) is a command-line tool built into Windows Server 2019 that provides enterprise-grade file copying and synchronization capabilities. It supports multi-threaded parallel copy operations, ACL (Access Control List) preservation, VSS-aware backup mode (bypassing file locks), retry on failure, incremental […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-5476 Related CVEs: CVE-2020-1971 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 Affected versions: Debian 9 📖 ~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 & […]
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