Introduction Setting up set up vlans on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up VLANs on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4713-2 Related CVEs: CVE-2020-28374 CVE-2020-16119 CVE-2020-16120 CVE-2020-14386 CVE-2020-12771 CVE-2019-12380 CVE-2019-16089 CVE-2019-19036 +12 more Upstream summary: It was discovered that the LIO SCSI target implementation in the Linux kernel performed insufficient […]
🟡 Medium ⏱ 5–30 min Last verified: 19 May 2026 📖 ~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 & Cross-Refs References & Further […]
🟠 High ⏱ 5–30 min Last verified: 01 April 2027 Affected versions: Windows Server 2012 R2 📖 ~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 […]
Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use aix system backup with mksysb on ibm aix […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5614-1 Related CVEs: CVE-2021-3782 Upstream summary: It was discovered that Wayland incorrectly handled reference counting certain objects. An attacker could use this issue to cause Wayland to crash, resulting in […]
Хотите иметь безопасный и защищённый доступ в Интернет с вашего смартфона или ноутбука при подключении к незащищённой сети через WiFi отеля или кафе? Виртуальная частная сеть (Virtual Private Network, VPN) позволяет…
HashiCorp Packer is an open-source tool for creating identical machine images for multiple platforms from a single configuration source. Rather than manually configuring servers after deployment, Packer bakes your configuration — packages, users, services, certificates — directly into the image at build time, embodying the immutable infrastructure pattern. The resulting AMIs, OVA files, or container […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-CU-2020:518-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25219 CVE-2020-26154 CVE-2012-4504 Upstream summary: url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response […]
Learn how to use Apache Iceberg to build fast, scalable, and reliable data lakes. We will walk through the essentials of managing big data with confidence.
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