PowerDNS is an advanced, high performance authoritative nameserver compatible with a number of backends. In this case we will use MariaDB to store our zone file records. At the end of this tutorial, you will have a working PowerDNS nameserver that you can use to host DNS for any number of domains.
How to Configure Windows Server 2019 Helm Charts Helm is the package manager for Kubernetes, enabling you to define, install, and upgrade complex Kubernetes applications using reusable packages called charts. When working with Windows Server 2019 nodes in a Kubernetes cluster, Helm charts need to be configured with Windows-specific node selectors and tolerations to ensure […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2017:1821-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-9433 Upstream summary: Document Liberation Project libmwaw before 2017-04-08 has an out-of-bounds write caused by a heap-based buffer overflow related to the MsWrd1Parser::readFootnoteCorrespondance function in […]
Docker is an Open Source application that allows administrators to create, manage, deploy, and replicate applications using containers. Flask is a web micro-framework that is built on Python. In this tutorial, you will create a Flask application and deploy it with Docker.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: mozilla — multiple vulnerabilities Related CVEs: CVE-2014-1533 CVE-2014-1534 CVE-2014-1536 CVE-2014-1537 CVE-2014-1540 CVE-2014-1541 CVE-2014-1542 CVE-2014-1543 +12 more Upstream summary: The Mozilla Project reports: MFSA 2015-133 NSS and NSPR memory corruption issues […]
<$>[warning] Atenção: Uma versão anterior desse guia incluía uma menção aos sistemas Ubuntu 14.04. Embora uma atualização a partir do 14.04 possa completar com sucesso, atualizações entre versões LTS não estão habilitadas por padrão até o primeiro ponto de versão, e é…
Learning how to create CSS ID selectors is an essential skill in any CSS tutorial — CSS ID selectors allow you to apply unique styles to a single, specific HTML element on the page. Unlike CSS classes (which can be reused on many elements), CSS ID selectors are designed for one-of-a-kind items — things that appear only once per page, such as a site header, main navigation bar, footer, hero section, unique logo, or form submit button. In this guide, you’ll learn the syntax, how to apply IDs, when to use them vs classes, and real-world best practices using your css-practice project.
Today we will look into Builder pattern in java. Builder design pattern is a creational design pattern like [Factory Pattern](/community/tutorials/factory-design-pattern-in-java "Factory Design Pattern in Java") and [Abstract Factory Pattern](/community/tutorials/abstract-factory-design-pattern-in-java "Abstract Factory Design Pattern in Java"). Builder Design Pattern  Builder pattern was introduced to solve some of […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2017:1058-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-6414 Upstream summary: Memory leak in the vcard_apdu_new function in card_7816.c in libcacard before 2.5.3 allows local guest OS users to cause a denial of […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SR:2010:009 (see also SUSE bugzilla) Related CVEs: CVE-2010-0436 Upstream summary: Race condition in backend/ctrl.c in KDM in KDE Software Compilation (SC) 2.2.0 through 4.4.2 allows local users to change the permissions of […]
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