May 2023 - Page 35 of 72

How to Configure Container Networking on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Container Networking on Oracle Linux 9

Introduction How to Configure Container Networking on Oracle Linux 9 on Oracle Linux 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 […]

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SLES 15 — libaom3 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libaom3 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:0517-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-6879 Upstream summary: Increasing the resolution of video frames, while performing a multi-threaded encode, can result in a heap overflow in av1_loop_restoration_dealloc(). Table of contents […]

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Oracle Linux 9 — istio — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — istio — vulnerability — patch and remediation guide (ELSA-2023-12771)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12771 Related CVEs: CVE-2023-35943 CVE-2023-35944 CVE-2023-35941 CVE-2023-35942 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Oracle Linux 9 — mutt — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — mutt — vulnerability — patch and remediation guide (ELSA-2024-2290)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2290 Related CVEs: CVE-2023-4874 CVE-2023-4875 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Oracle Linux 8 — libxml2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libxml2 — vulnerability — patch and remediation guide (ELSA-2025-1517)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-1517 Related CVEs: CVE-2022-49043 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Set Up Active Directory Backup and Recovery on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Active Directory Backup and Recovery on Windows Server 2022

Understanding Active Directory Sites and Services Active Directory Sites and Services is the component of AD DS responsible for managing the physical topology of your network — how domain controllers are grouped by network location, how replication traffic flows between them, and how clients are directed to the nearest domain controller for authentication. Proper site […]

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Como Configurar um Firewall com o UFW no Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Como Configurar um Firewall com o UFW no Ubuntu 20.04

O UFW, ou Uncomplicated Firewall, é uma interface de gerenciamento simplificado de firewall que esconde a complexidade das tecnologias de filtragem de pacotes de baixo nível, como iptables e nftables. Se você deseja começar a proteger sua rede, mas não tem certeza sobre qual…

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Rocky Linux 8 — pytz — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — pytz — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2023:7042 Related CVEs: CVE-2023-32681 CVE-2007-4559 Upstream summary: Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic typing. The python27 packages […]

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Windows Server 2016 — KB5030269 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5030269 — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5030269 • MSRC update-guide entry Related CVEs: CVE-2023-38162 CVE-2023-38161 CVE-2023-38152 CVE-2023-38149 CVE-2023-38144 CVE-2023-38143 CVE-2023-38142 CVE-2023-38141  +5 more Affected components: Windows Server 2016 (Server Core installation) Windows Server 2016 Table of contents Symptom […]

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