Package Management

Windows Server 2022 — KB5029263 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5029263 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5029263 • MSRC update-guide entry Related CVEs: CVE-2023-36910 CVE-2023-36911 CVE-2023-35385 CVE-2023-35359 CVE-2023-36882 CVE-2023-36889 CVE-2023-36900 CVE-2023-36903  +12 more Affected components: Windows Server 2022 Windows Server 2022 (Server Core installation) Table of contents Symptom […]

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FreeBSD 13 — cloud-init-devel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — cloud-init-devel — vulnerability — patch and remediation guide

  • March 18, 2023
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 18 March 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cloud-init — sensitive data exposure in cloud-init logs Related CVEs: CVE-2023-1786 Upstream summary: [email protected] reports: Sensitive data could be exposed in logs of cloud-init before version 23.1.2. An attacker could […]

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CentOS Stream 9 — swtpm — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — swtpm — vulnerability — patch and remediation guide

  • March 18, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 18 March 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2022:8100 Related CVEs: CVE-2022-23645 Upstream summary: SWTPM is a TPM emulator built on libtpms providing TPM functionality for QEMU VMs. Security Fix(es): * swtpm: Unchecked header size indicator against expected size […]

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Windows Server 2022 — KB5029259 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5029259 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5029259 • MSRC update-guide entry Related CVEs: CVE-2023-36910 CVE-2023-36911 CVE-2023-35385 CVE-2023-35359 CVE-2023-36873 CVE-2023-36882 CVE-2023-36889 CVE-2023-36899  +12 more Affected components: Windows Server 2022 Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 […]

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

Oracle Linux 9 — gzip — vulnerability — patch and remediation guide (ELSA-2022-4582)

  • March 18, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 18 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4582 Related CVEs: CVE-2022-1271 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 8 — GraalVM — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — GraalVM — vulnerability — patch and remediation guide (ELSA-2023-12071)

  • March 18, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 18 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12071 Related CVEs: CVE-2023-21830 CVE-2022-43548 CVE-2023-21835 CVE-2023-21843 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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How to Install and Configure Nagios Core on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure Nagios Core on RHEL 7

  • March 18, 2023
  • Linux
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How to Install and Configure Nagios Core on RHEL 7 Nagios Core is one of the most widely deployed open-source infrastructure monitoring systems in the world. It provides comprehensive monitoring of hosts, services, and network devices, alerting administrators when things go wrong and when they recover. On RHEL 7, setting up Nagios Core from source […]

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Windows Server 2022 — KB5031416 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5031416 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5031416 • MSRC update-guide entry Related CVEs: CVE-2023-35349 CVE-2023-41765 CVE-2023-41770 CVE-2023-41768 CVE-2023-41767 CVE-2023-41771 CVE-2023-41769 CVE-2023-41773  +12 more Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root […]

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Oracle Linux 9 — containernetworking-plugins — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — containernetworking-plugins — security and stability fixes — required update (ELSA-2023-6402)

  • March 17, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 17 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6402 Related CVEs: CVE-2023-24534 CVE-2022-41725 CVE-2023-24540 CVE-2023-24539 CVE-2022-41724 CVE-2023-29400 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 117422

Ubuntu 20.04 LTS – apt lock contention from unattended-upgrades blocks installs – Fix & Prevention

  • March 17, 2023
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 17 March 2023 Affected versions: Ubuntu 20.04 LTS 📖 ~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 […]

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