Security Hardening

How to Secure Apache with Let's Encrypt on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Secure Apache with Let’s Encrypt on Oracle Linux 10

Introduction Setting up secure apache with let’s encrypt on oracle linux 10 on a Oracle Linux 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Secure Apache with Let’s Encrypt on Oracle Linux 10, with all the commands you need, the SELinux and firewalld […]

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Alpine Linux 3.18 — lighttpd — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — lighttpd — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.4.76-r0 📖 ~4 min read  •  Source: Alpine secdb entry — lighttpd 1.4.76-r0 Related CVEs: CVE-2024-3094 CVE-2022-41556 CVE-2022-22707 CVE-2025-8671 Upstream summary: Alpine main repository for vv3.18 ships lighttpd 1.4.76-r0 which addresses CVE-2024-3094. Table of contents Symptom […]

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Amazon Linux 2 — kernel-livepatch-5.10.237-230.948 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.237-230.948 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2025-259 Related CVEs: CVE-2022-49935 CVE-2025-38037 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: dma-buf/dma-resv: check if the new fence is really later (CVE-2022-49935) Table of contents […]

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How to Set Up the ELK Stack on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up the ELK Stack on CentOS Stream 10

Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying set up the elk stack on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up the ELK Stack on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the […]

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NetBSD 10.0 — yaml-cpp — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — yaml-cpp — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-5950 CVE-2017-11692 CVE-2018-20573 CVE-2018-20574 CVE-2019-6285 CVE-2019-6292 Upstream summary: pkgsrc audit-packages flagged yaml-cpp-[0-9]* for vulnerability class 'memory-corruption'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-5950 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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NetBSD 10.0 — ruby-actionview60 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — ruby-actionview60 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2020-8167 Upstream summary: pkgsrc audit-packages flagged ruby{22,24,25,26,27}-actionview60<6.0.3.1 for vulnerability class 'cross-site-request-forgery'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-8167 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Encrypt Filesystem with fscrypt on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Encrypt Filesystem with fscrypt on RHEL 10

Introduction How to Encrypt Filesystem with fscrypt on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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How to Configure VLAN Tagging on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Configure VLAN Tagging on Oracle Linux 10

Introduction How to Configure VLAN Tagging on Oracle Linux 10 on Oracle Linux 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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NetBSD 10.0 — ruby-actionpack-2.[0-9]* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — ruby-actionpack — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged ruby{18,19,193}-actionpack-2.[0-9]* for vulnerability class 'eol'. Reference: https://ftp.NetBSD.org/pub/NetBSD/packages/vulns/eol-packages Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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IBM AIX 7.2 — CVE-2025-3630 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2025-3630 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 16 July 2025 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2025-3630, IBM Support Bulletin CVE: CVE-2025-3630 NVD summary: IBM Sterling B2B Integrator 6.0.0.0 through 6.1.2.6, 6.2.0.0 through 6.2.0.4, IBM Sterling File Gateway 6.0.0.0 through 6.1.2.6, and 6.2.0.0 through 6.2.0.4 is vulnerable to […]

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