Introduction Setting up schedule tasks with cron on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Schedule Tasks with Cron on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-14040 CVE-2020-28851 CVE-2020-28852 CVE-2021-38561 CVE-2022-32149 Upstream summary: The x/text package before 0.3.3 for Go has a vulnerability in encoding/unicode that could lead to the UTF-16 decoder entering an […]
Learn how to style components in React using the emotion CSS-in-JS library.
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5404-1 Related CVEs: CVE-2022-24903 Upstream summary: Pieter Agten discovered that Rsyslog incorrectly handled certain requests. An attacker could possibly use this issue to cause a crash. Table of contents Symptom […]
Elasticsearch is a popular open source search server that is used for real-time distributed search and analysis of data. When used for anything other than development, Elasticsearch should be deployed across multiple servers as a cluster, for the best performance, stability, and scalability.
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5464-1 Related CVEs: CVE-2022-1304 Upstream summary: Nils Bars discovered that e2fsprogs incorrectly handled certain file systems. A local attacker could use this issue with a crafted file system image to […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6550-1 Related CVEs: CVE-2022-29221 CVE-2022-31129 CVE-2023-28447 Upstream summary: It was discovered that Smarty, that is integrated in the PostfixAdmin code, was not properly sanitizing user input when generating templates. An […]
Introduction to Windows Server Backup Windows Server Backup (WSB) is a built-in backup solution included with Windows Server 2022 at no additional cost. While it lacks some advanced features of third-party tools, it provides a reliable mechanism for protecting system state, critical volumes, bare metal recovery data, and individual files. Understanding how to install, configure, […]
Android Animation is used to give the UI a rich look and feel. Animations in android apps can be performed through XML or android code. In this android animation tutorial we'll go with XML codes for adding animations into our application. Android Animation Animation in android apps is the process of creating motion and shape […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2022:7482 Related CVEs: CVE-2022-25255 CVE-2021-3481 CVE-2018-19869 CVE-2018-19871 CVE-2018-19872 Upstream summary: The Qt5 libraries packages provide Qt 5, version 5 of the Qt cross-platform application framework. The following packages have been upgraded to […]
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