chris

How to Install Ansible on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Ansible on RHEL 9

Ansible is an open-source IT automation tool developed by Red Hat that allows managing server configuration, application deployment, and task automation using human-readable YAML playbooks. Unlike Chef or Puppet (which require agents installed on managed nodes), Ansible is agentless — it connects to managed servers via SSH and executes tasks using Python, with no permanent […]

Read more
FreeBSD 15 — ilmbase — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — ilmbase — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openexr, ilmbase — security fixes related to reading corrupted input files Related CVEs: CVE-2018-18443 CVE-2018-18444 CVE-2021-20296 CVE-2021-3474 CVE-2021-3475 CVE-2021-3476 CVE-2021-3477 CVE-2021-3478  +1 more Upstream summary: Cary Phillips reports: Patch release […]

Read more
FreeBSD 15 — emacs-nox — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — emacs-nox — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Emacs — Arbitrary code execution vulnerability Related CVEs: CVE-2022-45939 CVE-2022-48337 CVE-2022-48338 CVE-2022-48339 CVE-2024-30202 CVE-2024-30203 CVE-2024-30204 CVE-2024-30205  +2 more Upstream summary: Problem Description A shell injection vulnerability exists in GNU Emacs […]

Read more
How to Configure DHCP Server with dhcpd on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure DHCP Server with dhcpd on RHEL 10

Introduction This tutorial demonstrates how to Configure DHCP Server with dhcpd on RHEL 10 on RHEL 10. 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 RHEL 10 system with the default AppStream […]

Read more
Windows Server 2025 — KB5089549 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5089549 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5089549 • MSRC update-guide entry Related CVEs: CVE-2026-35421 CVE-2026-41096 CVE-2026-32161 CVE-2026-40403 CVE-2026-21530 CVE-2026-33834 CVE-2026-33839 CVE-2026-33840  +12 more Affected components: Windows Server 2025 Microsoft summary: Heap-based buffer overflow in Windows GDI allows an […]

Read more
Common Problems 116017

Ubuntu 26.04 LTS – initramfs drops to busybox due to UUID mismatch – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 21 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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 […]

Read more
FreeBSD 15 — it-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — it-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice — DOC document heap overflow vulnerability Related CVEs: CVE-2004-0752 CVE-2005-0941 Upstream summary: AD-LAB reports that a heap-based buffer overflow vulnerability exists in OpenOffice's handling of DOC documents. When reading […]

Read more
Amazon Linux 2023 — nodejs20 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — nodejs20 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1577 Related CVEs: CVE-2024-36137 CVE-2026-21710 CVE-2026-21713 CVE-2026-21714 CVE-2026-21715 CVE-2026-21716 CVE-2026-21717 CVE-2026-1525  +12 more Upstream summary: A flaw in Node.js HTTP request handling causes an uncaught TypeError when a request is […]

Read more
FreeBSD 15 — axel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — axel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: axel — remote buffer overflow Related CVEs: CVE-2005-0390 Upstream summary: A Debian Security Advisory reports: Ulf Härnhammar from the Debian Security Audit Project discovered a buffer overflow in axel, a […]

Read more
FreeBSD 15 — phpbb — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — phpbb — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: phpbb3 — multiple issues Related CVEs: CVE-2004-1315 CVE-2005-0258 CVE-2005-0259 CVE-2005-2086 CVE-2005-3310 CVE-2005-3415 CVE-2005-3416 CVE-2005-3417  +6 more Upstream summary: phpbb developers reports: Password updater working with PostgreSQL – The cron for […]

Read more
CHAT