How To Configure Nginx as a Reverse Proxy on Ubuntu
Learn how to configure Nginx as a reverse proxy on Ubuntu. Step-by-step setup with HTTPS, headers, WebSockets, and load balancing examples.
How to Configure Samba on Oracle Linux 10
Introduction Setting up configure samba 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 Configure Samba on Oracle Linux 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]
Oracle Linux 10 – SSSD Offline and Domain Users Cannot Authenticate – Identity Service Recovery
🔴 Critical ⏱ 5–30 min Last verified: 17 August 2025 Affected versions: Oracle Linux 10 📖 ~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 […]
NetBSD 10.0 — engrampa — 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-2023-52138 Upstream summary: pkgsrc audit-packages flagged engrampa<1.28.0 for vulnerability class 'path-traversal'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2023-52138 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]
How to Set Up Fail2Ban on Oracle Linux 10
Introduction How to Set Up Fail2Ban 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 […]
NetBSD 10.0 — caml-light — 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-2011-4119 Upstream summary: pkgsrc audit-packages flagged caml-light<0.74nb2 for vulnerability class 'insecure-temp-files'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4119 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]
Oracle Linux 10 – journalctl logs rotate too aggressively and lose incident evidence
🟡 Medium ⏱ 5–30 min Last verified: 17 August 2025 Affected versions: Oracle Linux 10 📖 ~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 […]
Debian 12 — libcgi-simple-perl — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 17 August 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2010-2761 CVE-2010-4410 CVE-2010-4411 CVE-2025-40927 Upstream summary: The multipart_init function in (1) CGI.pm before 3.50 and (2) Simple.pm in CGI::Simple 1.112 and earlier uses a hardcoded value of the […]
NetBSD 10.0 — gtexinfo — vulnerability — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read • Source: pkgsrc audit-packages entry Related CVEs: CVE-2006-4810 Upstream summary: pkgsrc audit-packages flagged gtexinfo<4.8nb6 for vulnerability class 'code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4810 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]
How to Configure Kerberos Client on Debian 13
Introduction This guide explains how to Configure Kerberos Client on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with the standard […]
