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How to Configure Unattended Upgrades on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Sync Time with systemd-timesyncd on Ubuntu 26.04

Accurate system time is critical for SSL certificates, logs, cron jobs, and distributed systems. Ubuntu 26.04 LTS uses systemd-timesyncd as the default NTP client. This guide shows you how to configure it, verify time synchronisation, and optionally switch to a different NTP server pool. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS […]

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Amazon Linux 2023 — kernel-livepatch-6.1.131-143.221 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.1.131-143.221 — multiple vulnerabilities (2 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 ALAS2023LIVEPATCH-2025-048 Related CVEs: CVE-2025-21927 CVE-2025-37785 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu() (CVE-2025-21927) In the Linux kernel, the […]

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Common Problems 114102

fapolicyd blocks trusted in-house binary

🟠 High   ⏱ 5–30 min  Last verified: 22 June 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~1 min read Table of contents Problem Summary Symptoms Diagnostics Root Cause Primary Fix Verification Prevention Rollback Automation Command Reference Escalation Related Notes Problem Summary Application execution denied by file access policy daemon. Symptoms Users receive operation […]

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FreeBSD 15 — openhab-addons — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — openhab-addons — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: OpenHAB CometVisu addon — Multiple vulnerabilities Upstream summary: OpenHAB reports: This patch release addresses the following security advisories: SSRF/XSS (CometVisu) – GHSA-v7gr-mqpj-wwh3 Sensitive information disclosure (CometVisu) – GHSA-3g4c-hjhr-73rj RCE through […]

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How to Configure OpenTelemetry Collector on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure OpenTelemetry Collector on FreeBSD 15

Introduction This guide explains how to Configure OpenTelemetry Collector 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 […]

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FreeBSD 15 — chasen — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — chasen — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ChaSen — buffer overflow Related CVEs: CVE-2011-4000 Upstream summary: JVN iPedia reports: ChaSen provided by Nara Institute of Science and Technology is a software for morphologically analyzing Japanese. ChaSen contains […]

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Alpine Linux edge — py3-requests — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — py3-requests — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.33.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-requests 2.33.1-r0 Related CVEs: CVE-2026-25645 CVE-2024-47081 CVE-2024-35195 Upstream summary: Alpine main repository for vedge ships py3-requests 2.33.1-r0 which addresses CVE-2026-25645. Table of contents Symptom & […]

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FreeBSD 14 — postgresql17-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — postgresql17-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 June 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PostgreSQL — Multiple vulnerabilities Related CVEs: CVE-2024-10976 CVE-2024-10978 CVE-2025-4207 CVE-2025-8713 CVE-2025-8714 CVE-2025-8715 CVE-2026-2003 CVE-2026-2004  +12 more Upstream summary: The PostgreSQL project reports: Missing authorization in PostgreSQL CREATE TYPE allows an […]

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