Operations

How to Set Up Windows Server 2022 Network Monitoring — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Server 2022 Network Monitoring

Introduction to Terraform on Windows Server 2022 Terraform is an open-source Infrastructure as Code (IaC) tool developed by HashiCorp that allows you to define, provision, and manage cloud and on-premises infrastructure using a declarative configuration language called HCL (HashiCorp Configuration Language). Running Terraform on Windows Server 2022 is fully supported and is common in enterprise […]

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

Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide (ELSA-2022-6165)

🟠 High   ⏱ 15–60 min  Last verified: 16 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6165 Related CVEs: CVE-2022-38473 CVE-2022-38478 CVE-2022-38472 CVE-2022-38476 CVE-2022-38477 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-9926)

🟠 High   ⏱ 15–60 min  Last verified: 16 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9926 Related CVEs: CVE-2022-3028 CVE-2022-21499 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 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2023-12824)

🟠 High   ⏱ 15–60 min  Last verified: 16 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12824 Related CVEs: CVE-2023-42753 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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Alpine Linux 3.18 — opensc — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — opensc — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 0.21.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — opensc 0.21.0-r0 Related CVEs: CVE-2020-26570 CVE-2020-26571 CVE-2020-26572 CVE-2019-6502 CVE-2019-15945 CVE-2019-15946 CVE-2019-19479 CVE-2019-19480  +12 more Upstream summary: Alpine community repository for vv3.18 ships opensc 0.21.0-r0 which […]

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

Oracle Linux 8 — olcne — vulnerability — patch and remediation guide (ELSA-2023-13028)

🟠 High   ⏱ 15–60 min  Last verified: 16 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-13028 Related CVEs: CVE-2023-39325 CVE-2023-44487 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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How to Install and Configure Traefik Reverse Proxy on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure Traefik Reverse Proxy on RHEL 9

Traefik is a modern, cloud-native reverse proxy and load balancer that discovers routing rules dynamically from configuration files, Docker labels, or Kubernetes annotations — eliminating most of the manual virtual host configuration required by Nginx or Apache. Version 3 introduces improved middleware composition, better gRPC support, and enhanced ACME (Let’s Encrypt) certificate management. On RHEL […]

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IBM AIX 7.3 — CVE-2021-20562 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-20562 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 15 May 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-20562, IBM Support Bulletin CVE: CVE-2021-20562 NVD summary: IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 5.2.6.5_3 and 6.1.0.0 through 6.1.0.2 vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary […]

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Oracle Linux 9 — go-toolset and golang — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — go-toolset and golang — security and stability fixes — required update (ELSA-2023-5738)

🟠 High   ⏱ 15–60 min  Last verified: 15 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5738 Related CVEs: CVE-2023-39325 CVE-2023-29409 CVE-2023-44487 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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