Package Management

How to Configure a Virtual Host in Nginx on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure a Virtual Host in Nginx on Oracle Linux 9

Introduction This tutorial demonstrates how to Configure a Virtual Host in Nginx on Oracle Linux 9 on Oracle Linux 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 9 system […]

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Ubuntu 22.04 — libcaca — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libcaca — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 March 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7943-1 Related CVEs: CVE-2022-0856 Upstream summary: Han Zheng discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to cause libcaca to crash. Table of contents […]

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SLES 15 — dhcp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — dhcp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 March 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-IU-2021:537-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-25217 CVE-2018-5732 CVE-2019-6470 CVE-2022-2928 CVE-2022-2929 CVE-2009-1892 CVE-2010-2156 CVE-2010-3611  +12 more Upstream summary: In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0 -> 4.4.2 (Other branches […]

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

Oracle Linux 9 — nss — vulnerability — patch and remediation guide (ELSA-2024-0108)

🟡 Medium   ⏱ 10–30 min  Last verified: 9 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0108 Related CVEs: CVE-2023-5388 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 — cyrus-sasl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — cyrus-sasl — vulnerability — patch and remediation guide (ELSA-2022-0658)

🟠 High   ⏱ 15–60 min  Last verified: 9 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0658 Related CVEs: CVE-2022-24407 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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Windows Server 2016 — KB5028166 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5028166 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5028166 • MSRC update-guide entry Related CVEs: CVE-2023-35365 CVE-2023-35366 CVE-2023-35367 CVE-2023-32057 CVE-2023-35297 CVE-2023-21756 CVE-2023-33166 CVE-2023-33167  +12 more Affected components: Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Configure Suricata IDS on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Suricata IDS on FreeBSD 12

Introduction This guide explains how to Configure Suricata IDS on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege […]

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2022-9182)

🟠 High   ⏱ 15–60 min  Last verified: 9 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9182 Related CVEs: CVE-2022-25636 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 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2023-12120)

🟠 High   ⏱ 15–60 min  Last verified: 9 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12120 Related CVEs: CVE-2022-3545 CVE-2023-0179 CVE-2022-45869 CVE-2022-4139 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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IBM AIX 7.3 — CVE-2001-1557 — buffer overflow — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2001-1557 — buffer overflow — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 9 March 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2001-1557, IBM Support Bulletin CVE: CVE-2001-1557 NVD summary: Buffer overflow in ftpd in IBM AIX 4.3 and 5.1 allows attackers to gain privileges. References: www-1.ibm.com/support/search.wss?rs=0&q=IY20486&   www-1.ibm.com/support/search.wss?rs=0&q=IY23674&   www-1.ibm.com/support/search.wss?rs=0&q=IY20486& Table of contents […]

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