When automating server setup, sometimes you’ll need to repeat the execution of the same task using different values. For instance, you may need to change permissions of multiple files, or create multiple users. To avoid repeating the task several times in your playbook file, it’s better to use loops instead. In this guide, learn more about how to use loops in Ansible playbooks.
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7364-1 Related CVEs: https://launchpad.net/bugs/2103420 Upstream summary: Alexander Tan discovered that the OpenSAML C++ library was susceptible to forging of signed SAML messages. An attacker could possibly use this issue to […]
Learn how to work with arrays in Java. In this tutorial, you’ll use a char array to store a password securely while learning the intricacies of arrays in Java.
Die Python-Programmiersprache ist eine zunehmend beliebte Wahl für Anfänger und auch erfahrene Entwickler. Python ist flexibel und vielseitig und bietet Vorteile in den Bereichen Skripterstellung, Automatisierung, Datenanalysen, maschinelles Lernen und Backend-Entwicklung….
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4325-1 Related CVEs: CVE-2019-19046 CVE-2020-8428 CVE-2019-19053 CVE-2019-19056 CVE-2019-19058 CVE-2019-19059 CVE-2019-19066 CVE-2019-19068 +12 more Upstream summary: It was discovered that the IPMI message handler implementation in the Linux kernel did not […]
A LAMP stack is a group of open source software used to get web servers up and running. The acronym stands for Linux, Apache, MySQL, and PHP. Since the server is already running Fedora, the Linux part is taken care of. Here is how to install the rest on Fedora 22.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6978-1 Related CVEs: CVE-2016-3674 CVE-2020-26217 CVE-2020-26258 CVE-2020-26259 CVE-2021-21341 CVE-2021-21342 CVE-2021-21343 CVE-2021-21344 +12 more Upstream summary: It was discovered that XStream incorrectly handled parsing of certain crafted XML documents. A remote […]
In this tutorial, you will build a sample Go application and get it up and running locally on your development machine. Then you’ll containerize the application with Docker, deploy it to a Kubernetes cluster, and create a load balancer that will serve as the public-facing entry point to your application.
Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure syslog-ng on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]
A selection of recommended technologies that leverage systems that you can run yourself, and managed options that can help you bring your idea to market faster.
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