chris

How to Build and Deploy a Go Web Application on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Build and Deploy a Go Web Application on RHEL 8

Building a Go web application and getting it running in production are two different challenges. Go compiles to a single static binary that is trivial to deploy, but you still need a proper project structure, a way to manage runtime configuration securely, a systemd service for process supervision, and a reverse proxy to handle TLS […]

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Oracle Linux 8 — GPG key file location must be explicitly set when adding repositories — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — GPG key file location must be explicitly set when adding repositories

🟠 High   ⏱ 5–30 min  Last verified: 15 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 29535274 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 Configure Nginx Rate Limiting on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure Nginx Rate Limiting on SLES 15

Introduction This tutorial covers How to Configure Nginx Rate Limiting on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper […]

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OpenBSD 7.5 — expat — errata 007_expat — multiple vulnerabilities (3 CVEs) — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — expat — errata 007_expat — multiple vulnerabilities (3 CVEs) — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read  •  Source: OpenBSD 7.5 errata 007_expat Errata topic: Security: expat (All architectures) Issued: September 17, 2024 Related CVEs: CVE-2024-45490 CVE-2024-45491 CVE-2024-45492 Upstream summary: In libexpat add integer range checks. CVE-2024-45490 CVE-2024-45491 CVE-2024-45492 Table of contents Symptom […]

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FreeBSD 13 — wgetpro — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — wgetpro — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wget — multiple vulnerabilities Related CVEs: CVE-2004-1487 CVE-2004-1488 Upstream summary: Jan Minar reports that there exists multiple vulnerabilities in wget: Wget erroneously thinks that the current directory is a fair […]

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