Operations

Oracle Linux 9 — ELSA-2025-20518-0: kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — ELSA-2025-20518-0: kernel — vulnerability — patch and remediation guide (ELSA-2025-20518-0)

  • January 8, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 8 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20518-0 Related CVEs: CVE-2022-48830 CVE-2022-49024 CVE-2022-49269 CVE-2022-49353 CVE-2022-49357 CVE-2022-49432 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Scan for Vulnerabilities with OpenVAS on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Scan for Vulnerabilities with OpenVAS on RHEL 9

  • January 8, 2023
  • Linux
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OpenVAS, now distributed as Greenbone Community Edition (GCE), is one of the most comprehensive open-source vulnerability scanners available, capable of identifying thousands of known CVEs across network services, web applications, and operating system configurations. Installing it natively on RHEL 9 requires complex dependency management, so the recommended approach is to deploy it via Docker Compose, […]

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Debian 11 — libde265 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libde265 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • January 8, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 8 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-21594 CVE-2020-21595 CVE-2020-21596 CVE-2020-21597 CVE-2020-21598 CVE-2020-21599 CVE-2020-21600 CVE-2020-21601  +12 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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How to Install and Use Podman with Buildah on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Use Podman with Buildah on RHEL 7

  • January 8, 2023
  • Linux
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How to Install and Use Podman with Buildah on RHEL 7 As enterprises move away from Docker and toward daemonless container tools, Podman and Buildah have emerged as the preferred container toolkit on Red Hat Enterprise Linux. Podman provides a Docker-compatible CLI for running containers without a background daemon, while Buildah specializes in constructing OCI-compliant […]

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Common Problems 121484

Debian 9 – dpkg was interrupted and package configuration is incomplete

  • January 7, 2023
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 7 January 2023 Affected versions: Debian 9 📖 ~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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Common Problems 111848

Windows Server 2022 — IIS Web Deploy sync fails due delegation rule mismatch — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 7 January 2023 Affected versions: Windows Server 2022 📖 ~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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IBM AIX 7.3 — CVE-1999-1119 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-1999-1119 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 7 January 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-1999-1119, IBM PSIRT advisory page CVE: CVE-1999-1119 NVD summary: FTP installation script anon.ftp in AIX insecurely configures anonymous FTP, which allows remote attackers to execute arbitrary commands. References: www.cert.org/advisories/CA-1992-09.html   www.securityfocus.com/bid/41   […]

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How to Configure AIX Audit Events on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure AIX Audit Events on IBM AIX 7.3

  • January 7, 2023
  • IBM AIX
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Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure aix audit events on IBM AIX 7.3 with […]

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