When working with relational databases and SQL, most operations on the data are performed as a result of explicitly executed queries, such as SELECT, INSERT, or UPDATE. However, SQL databases can also be instructed to perform pre-defined actions automatically every time a specific event occurs through triggers. In this tutorial, you’ll use different SQL triggers to automatically perform actions where rows are inserted, updated, or deleted.
The CalDAV and CardDAV standards provide an easy way to keep all our smart things up-to-date with what we are doing, as well as how to get hold of our friends and other contacts. In this tutorial, we’ll show you how to sync calendars and contacts from a server you control, using a super simple installation of [BaĂŻkal](http://baikal-server.com), a PHP CalDAV and CardDAV server.
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) đź“– ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-10595 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Learn how to setup a firewall with UFW on an Ubuntu / Debian cloud server.
Introduction Deploying set up snapshots with lvm on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You […]
El servidor web Apache es una alternativa popular para presentar sitios web en Internet. Según estimaciones de 2019, se estima que presenta el 29 % de todos los sitios web activos. Además, ofrece robustez y flexibilidad a los desarrolladores. Usando Apache, un administrador…
Otoritas Sertifikat privat yang berjalan pada Ubuntu 20.04 akan memungkinkan Anda untuk mengonfigurasi, menguji, dan menjalankan program yang membutuhkan koneksi terenkripsi antara klien dan server. Menggunakan CA privat, Anda dapat menerbitkan sertifikat untuk pengguna, server, atau masing-masing program serta layanan di dalam infrastruktur Anda. CA privat dapat membantu memastikan bahwa semua lingkungan pengembangan, penahapan, dan produksi Anda menggunakan arsitektur dan konfigurasi yang seru
đźź High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 đź“– ~4 min read • Source: ELSA advisory ELSA-2020-5236 Related CVEs: CVE-2020-16012 CVE-2020-26959 CVE-2020-26965 CVE-2020-26953 CVE-2020-26956 CVE-2020-26951 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
In diesem Tutorial stellen Sie eine containerisierte Django-Umfrageanwendung in einem Kubernetes-Cluster bereit. Django ist ein leistungsfähiges Web-Framework, das Ihnen dabei helfen kann, Ihre Python-Anwendung schnell bereitzustellen. Es enthält mehrere praktische …
WebDAV is an extension of the HTTP protocol that allows users to manage files on remote servers. There are many ways to use a WebDAV server, you can, for example, share Word or Excel documents with your colleagues by uploading them to your WebDAV server.
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