Logging Monitoring

How to Set Up Nagios on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up Nagios 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 set up nagios 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 guide walks […]

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SLES 16 — nfs-client — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — nfs-client — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:744-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-3689 Upstream summary: The nfs-utils package in SUSE Linux Enterprise Server 12 before and including version 1.3.0-34.18.1 and in SUSE Linux Enterprise Server 15 before […]

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NetBSD 9.4 — caddy — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — caddy — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2018-21246 CVE-2022-29718 CVE-2022-28923 CVE-2026-27585 CVE-2026-27586 CVE-2026-27587 CVE-2026-27588 CVE-2026-27589  +5 more Upstream summary: pkgsrc audit-packages flagged caddy<0.10.13 for vulnerability class 'authentication-bypass'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-21246 Table of contents Symptom & Impact Environment […]

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SLES 15 — pam_u2f — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — pam_u2f — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:0167-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-23013 CVE-2021-31924 CVE-2019-12209 CVE-2019-12210 CVE-2019-9578 Upstream summary: In Yubico pam-u2f before 1.3.1, local privilege escalation can sometimes occur. This product implements a Pluggable Authentication Module […]

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SLES 12 — flatpak — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — flatpak — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:1511-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-34078 CVE-2024-42472 CVE-2024-32462 CVE-2023-28100 CVE-2017-5226 CVE-2019-10063 CVE-2026-34079 CVE-2023-28101  +1 more Upstream summary: Flatpak is a Linux application sandboxing and distribution framework. Prior to 1.16.4, the […]

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openSUSE Tumbleweed — corosync — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — corosync — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14933-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-30472 CVE-2026-35091 Upstream summary: Corosync through 3.1.9, if encryption is disabled or the attacker knows the encryption key, has a stack-based buffer overflow in orf_token_endian_convert […]

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Common Problems 115962

Ubuntu 26.04 LTS – no audio output after kernel update – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 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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How to Configure auditd System Auditing on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure auditd System Auditing on FreeBSD 15

Introduction This guide explains how to Configure auditd System Auditing 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 […]

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SLES 15 — runc — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — runc — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:19927 (see also SUSE bugzilla) Related CVEs: CVE-2025-31133 CVE-2025-52565 CVE-2025-52881 CVE-2024-21626 CVE-2023-27561 CVE-2021-30465 CVE-2023-25809 CVE-2023-28642  +10 more Upstream summary: runc is a CLI tool for spawning and running containers according to the […]

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SLES 16 — go1.26 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — go1.26 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0876-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-27138 CVE-2026-33810 CVE-2026-27137 Upstream summary: Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the […]

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