URL: https://www.progressiverobot.com/log4j-properties-file-example/ In [log4j tutorial](/community/tutorials/log4j-tutorial), we saw how to use log4j xml based configuration. But log4j.xml is verbose, so log4j framework provide option to read configuration from properties file too. Since properties file don't have any defined schema to validate, we have to be more careful with it. Today we will see how XML configurations […]
With new open-source projects always emerging, there are many Kubernetes cluster visualization and management tooling options. This article covers examples of popular Kubernetes visualization tools.
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5965-1 Related CVEs: CVE-2020-26117 Upstream summary: It was discovered that TigerVNC mishandled TLS certificate exceptions. An attacker could use this vulnerability to impersonate any server after a client had added […]
TensorFlow, una biblioteca de software de aprendizaje automático de código abierto, se utiliza para entrenar redes neurales. Cada nodo, expresado en forma de [gráficos de flujo de datos con…
Learn how to deploy Coreflux MQTT broker with MongoDB on the cloud provider. Build scalable IoT automation pipelines with real-time data processing and managed database storage in this step-by-step guide.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-9172 Related CVEs: CVE-2021-3593 CVE-2021-3713 CVE-2020-29130 CVE-2021-3594 CVE-2021-3595 CVE-2021-20257 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Os bancos de dados SQL vêm instalados com todos os comandos necessários para adicionar, modificar, excluir e consultar seus dados. Este guia de consulta rápida fornece uma referência para alguns dos comandos SQL mais usados. **Como…
How to Configure DNS Server on Windows Server 2019 Domain Name System (DNS) is the backbone of both internet connectivity and Active Directory. Windows Server 2019 includes a full-featured DNS server role that supports forward and reverse lookup zones, dynamic DNS updates, DNS Security Extensions (DNSSEC), DNS policies, Response Rate Limiting (RRL), and DNS over […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2021:1689 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2021:1838 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
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