Logging Monitoring

Ubuntu 24.04 — postgresql-16 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — postgresql-16 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 25, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8294-1 Related CVEs: CVE-2026-6638 CVE-2026-6476 CVE-2026-6477 CVE-2026-6479 CVE-2026-6475 CVE-2026-6474 CVE-2026-6478 CVE-2026-6472  +12 more Upstream summary: It was discovered that PostgreSQL did not correctly enforce authorization for CREATE TYPE. An attacker […]

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

How to Configure syslog on FreeBSD 15

  • July 25, 2026
  • FreeBSD
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Introduction Deploying configure syslog on a FreeBSD 15 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + ports approach so […]

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Common Problems 115904

Ubuntu 26.04 LTS – do-release-upgrade blocked by held packages – Fix & Prevention

  • July 24, 2026
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 24 July 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 122185

Database Service Fails After Package Upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 24 July 2026 Affected versions: FreeBSD 15 📖 ~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 Unattended Upgrades on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Set a Hostname on Ubuntu 26.04

  • July 24, 2026
  • Linux
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The hostname identifies your server on a network and appears in shell prompts, log files, and monitoring dashboards. Ubuntu 26.04 LTS uses hostnamectl — a systemd utility — to view and change the hostname persistently without a reboot. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server A user with sudo privileges […]

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AlmaLinux 10 — delve — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — delve — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • July 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:8842 Related CVEs: CVE-2026-25679 CVE-2026-27137 CVE-2025-61726 CVE-2025-61729 CVE-2025-68121 CVE-2025-58183 Upstream summary: Delve is a debugger for the Go programming language. The goal of the project is to provide a simple, full featured […]

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

How to Install Zabbix Server on FreeBSD 15

  • July 24, 2026
  • FreeBSD
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Introduction How to Install Zabbix Server on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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FreeBSD 15 — isc-dhcp41-server — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — isc-dhcp41-server — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • July 24, 2026
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: isc-dhcpd — Denial of Service Related CVEs: CVE-2010-3611 CVE-2011-0413 CVE-2011-2748 CVE-2011-2749 CVE-2011-4539 CVE-2012-3570 CVE-2012-3571 CVE-2012-3954  +1 more Upstream summary: ISC reports: A badly formed packet with an invalid IPv4 UDP […]

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Windows Server 2025 — KB5073698 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5073698 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5073698 • MSRC update-guide entry Related CVEs: CVE-2026-21265 CVE-2026-0386 CVE-2026-20805 CVE-2026-20816 CVE-2026-20820 CVE-2026-20821 CVE-2026-20824 CVE-2026-20828  +12 more Affected components: Windows Server 2025 Microsoft summary: Windows Secure Boot stores Microsoft certificates in the […]

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FreeBSD 15 — ghostscript-gpl-nox — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — ghostscript-gpl-nox — vulnerability — patch and remediation guide

  • July 24, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 24 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ghostscript — zseticcspace() function buffer overflow vulnerability Related CVEs: CVE-2008-0411 Upstream summary: Chris Evans from the Google Security Team reports: Severity: parsing of evil PostScript file will result in arbitrary […]

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