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How to Configure NTP Time Synchronization on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure NTP Time Synchronization on Debian 12

Introduction Deploying configure ntp time synchronization on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]

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Alpine Linux 3.18 — py3-treq — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — py3-treq — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 22.1.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-treq 22.1.0-r0 Related CVEs: GHSA-fhpf-pp6p-55qc Upstream summary: Alpine community repository for vv3.18 ships py3-treq 22.1.0-r0 which addresses GHSA-fhpf-pp6p-55qc. Table of contents Symptom & Impact Environment […]

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Ubuntu 18.04 — zookeeper — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — zookeeper — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 July 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6559-1 Related CVEs: CVE-2019-0201 CVE-2023-44981 Upstream summary: It was discovered that ZooKeeper incorrectly handled authorization for the getACL() command. A remote attacker could possibly use this issue to obtain sensitive […]

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Ubuntu 18.04 — kvmtool — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — kvmtool — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 July 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8172-1 Related CVEs: CVE-2023-2861 CVE-2021-45464 Upstream summary: It was discovered that kvmtool did not properly manage memory under certain circumstances. A malicious guest attacker could use this issue to cause […]

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Oracle Linux 9 — php:8.1 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — php:8.1 — vulnerability — patch and remediation guide (ELSA-2024-0387)

🟡 Medium   ⏱ 10–30 min  Last verified: 22 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0387 Related CVEs: CVE-2023-0568 CVE-2023-0567 CVE-2023-3824 CVE-2023-3823 CVE-2023-3247 CVE-2023-0662 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Windows Server 2016 — KB5027542 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5027542 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5027542 • MSRC update-guide entry Related CVEs: CVE-2023-24897 CVE-2023-24895 CVE-2023-29326 CVE-2023-29331 CVE-2023-32030 CVE-2023-24936 Affected components: Microsoft .NET Framework 4.8 on Windows Server 2016 Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server […]

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

Oracle Linux 8 — bind — vulnerability — patch and remediation guide (ELSA-2023-5474)

🟠 High   ⏱ 15–60 min  Last verified: 22 July 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5474 Related CVEs: CVE-2023-3341 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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Oracle Linux 9 — GraalVM — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — GraalVM — vulnerability — patch and remediation guide (ELSA-2023-12685)

🟠 High   ⏱ 15–60 min  Last verified: 22 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12685 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 […]

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How to Set Up Windows Server 2022 Group Policy Central Store — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Server 2022 Group Policy Central Store

What Are Microsoft Security Baselines Microsoft Security Baselines — formally known as the Microsoft Security Compliance Toolkit (MSCT) baselines or formerly the Microsoft Security Compliance Manager (SCM) baselines — are collections of Group Policy Object (GPO) settings that Microsoft recommends as a starting point for securing Windows Server deployments. These baselines are developed by Microsoft’s […]

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openSUSE Leap 15.5 — python3-CairoSVG — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — python3-CairoSVG — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0260-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-27586 CVE-2021-21236 Upstream summary: CairoSVG is an SVG converter based on Cairo, a 2D graphics library. Prior to version 2.7.0, Cairo can send requests […]

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