Logrotate is a system utility that manages the automatic rotation and compression of log files. If log files were not rotated, compressed, and periodically pruned, they would eventually consume all available disk space on a system. In this article, we will explore the default Logrotate configuration, then configure log rotation for a fictional custom application.
Webmin ist ein modernes Websteuerungspanel, mit dem Sie Ihren Linux-Server über eine browserbasierte Benutzeroberfläche administrieren können. Mit Webmin können Sie Benutzerkonten verwalten, DNS-Einstellungen konfigurieren und Einstellungen für…
TLS oder „Transport Layer Security“ – und sein Vorgänger SSL – sind Protokolle, mit denen normaler Datenverkehr in einer geschützten, verschlüsselten Hülle eingeschlossen wird. Mithilfe dieser Technologie können Server sicher Informationen an ihre Clients senden, ohne…
In this tutorial, we will go over the installation of the Elastic Stack on an Ubuntu 20.04 server. You will learn how to install all of the components of the Elastic Stack (including Filebeat, a Beat used for forwarding and centralizing logs and files) and configure them to gather and visualize system logs. We will install all components on a single server, which we will refer to as our Elastic Stack Server.
🟢 Low ⏱ 5–15 min Last verified: 6 November 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5238-1 Related CVEs: CVE-2020-13692 Upstream summary: It was discovered that PostgreSQL JDBC Driver incorrectly handled certain requests from external entities. A remote attacker could use this vulnerability to cause a […]
A versão mais recente de Suporte de longo-prazo (LTS) do sistema operacional Ubuntu, o Ubuntu 20.04 (Focal Fossa), foi lançada no dia 23 de abril de 2020. Este guia explicará como atualizar um sistema Ubuntu de versão 18.04 ou superior para o Ubuntu…
🟡 Medium ⏱ 5–30 min Last verified: 5 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 […]
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 guide, you will create a sample cron_jobs database on an Ubuntu 20.04 server. Then, you’ll set up a tasks table and a script that executes the jobs in your table in intervals of 5 seconds using the PHP while(…){…} loop and sleep() functions.
Vault is an open-source tool that provides a secure, reliable way to store and distribute secrets like API keys, access tokens, and passwords. Software like Vault can be critically important when deploying applications that require the use of secrets or sensitive data.
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