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How to Configure Snort Network Intrusion Detection on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure Snort Network Intrusion Detection on FreeBSD 15

Introduction FreeBSD 15 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure snort network intrusion detection on FreeBSD 15 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

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Debian 13 — pam-pkcs11 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pam-pkcs11 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-24031 CVE-2025-24032 CVE-2025-24531 Upstream summary: PAM-PKCS#11 is a Linux-PAM login module that allows a X.509 certificate based user login. In versions 0.6.12 and prior, the pam_pkcs11 module segfaults […]

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Rocky Linux 8 — krb5 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — krb5 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:16799 Related CVEs: CVE-2026-40355 CVE-2026-40356 Upstream summary: Kerberos is a network authentication system, which can improve the security of your network by eliminating the insecure practice of sending passwords over […]

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Common Problems 115949

Ubuntu 26.04 LTS – systemd-resolved returns SERVFAIL for internal DNS zones

🟠 High   ⏱ 5–30 min  Last verified: 9 May 2026 Affected versions: Ubuntu 26.04 LTS Ubuntu 26.04 Ubuntu 26.04.1 📖 ~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 […]

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How to Install Kotlin on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install Kotlin on FreeBSD 15

Introduction This guide explains how to Install Kotlin on FreeBSD 15 on FreeBSD 15. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]

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Common Problems 115980

Ubuntu 26.04 LTS snapd Service Fails to Start

🟡 Medium   ⏱ 5–30 min  Last verified: 8 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 […]

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Common Problems 115890

Ubuntu 26.04 LTS – apt update fails because dpkg lock is held by another process

🟠 High   ⏱ 5–30 min  Last verified: 8 May 2026 Affected versions: Ubuntu 26.04 LTS Ubuntu 26.04 Ubuntu 26.04.1 📖 ~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 […]

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Common Problems 116030

Ubuntu 26.04 LTS GNOME Login Loop After Desktop Update

🟠 High   ⏱ 5–30 min  Last verified: 8 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 […]

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Common Problems 114100

RHEL 10 – fapolicyd blocks in-house binaries after policy reload – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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How to Configure PHP-FPM with Nginx on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Drupal 11 on Ubuntu 26.04

Drupal 11 is the latest release of the enterprise-grade content management framework. Built on PHP 8.3+, it introduces Starshot initiative improvements and a modernised admin experience. This guide installs Drupal 11 on Ubuntu 26.04 LTS with Nginx, PHP 8.4, and MySQL 9. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Nginx, […]

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