Docker is an application that simplifies the process of managing application processes in containers. In this tutorial, you’ll install and use Docker Community Edition (CE) on Rocky Linux 8. You’ll install Docker itself, work with containers and images, and push an image to a Docker Repository.
🟡 Medium ⏱ 10–30 min Last verified: 9 February 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5061-1 Related CVEs: CVE-2021-30485 CVE-2021-31229 CVE-2021-31347 CVE-2021-31598 Upstream summary: It was discovered that Scilab did not properly sanitize XML inputs. An atacker could use a crafted XML file to cause […]
🟠 High ⏱ 30–90 min Last verified: 9 February 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-2007-3626, IBM PSIRT advisory page CVE: CVE-2007-3626 NVD summary: Unspecified vulnerability in the ADM daemon in Hitachi TPBroker before 20070706 allows remote attackers to cause a denial of service (daemon crash) via […]
MySQL Group Replication extends traditional replication with built-in automatic failover and a distributed consensus protocol, making it suitable for high-availability deployments without requiring additional orchestration tools. In single-primary mode, one node accepts writes at a time while all nodes serve reads, and the group automatically elects a new primary if the current one fails. This […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2021-1629 Related CVEs: CVE-2021-20305 Upstream summary: A flaw was found in Nettle, where several Nettle signature verification functions (GOST DSA, EDDSA & ECDSA) result in the Elliptic Curve Cryptography point […]
HTML5 では、MediaDevices API など、デバイスハードウェアにアクセスできる API を導入しています。この API により、オーディオやビデオなどのメディア入力デバイスへのアクセスができます。このチュートリアルでは、ユーザーのデバイスに搭載されたカメラからビデオフィードにアクセスする方法を説明します。
🟡 Medium ⏱ 10–30 min Last verified: 8 February 2022 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-7111 Related CVEs: CVE-2022-32742 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🔴 Critical ⏱ 5–30 min Last verified: 8 February 2022 Affected versions: Debian 9 📖 ~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 & […]
Introduction How to Configure PostgreSQL Replication on CentOS Stream 9 on CentOS Stream 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2022:0177 Related CVEs: CVE-2021-45463 Upstream summary: GEGL (Generic Graphics Library) is a graph-based image processing framework. Security Fix(es): * gegl: shell expansion via a crafted pathname (CVE-2021-45463) For more details about the […]
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