windows server

Windows Server 2025 — KB5071506 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5071506 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5071506 • MSRC update-guide entry Related CVEs: CVE-2025-62466 CVE-2025-62470 CVE-2025-62472 CVE-2025-62473 CVE-2025-62549 CVE-2025-62571 CVE-2025-62474 CVE-2025-54100 Affected components: Windows Server 2025 Microsoft summary: Null pointer dereference in Windows Client-Side Caching (CSC) Service allows […]

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How to Monitor MariaDB with mysqld_exporter on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Monitor MariaDB with mysqld_exporter on Debian 13

  • August 20, 2025
  • Linux
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Introduction This guide explains how to Monitor MariaDB with mysqld_exporter 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 […]

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How to Install Deno on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Deno on Debian 13

  • August 20, 2025
  • Linux
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Introduction How to Install Deno on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. This tutorial […]

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How to Install Nomad on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Nomad on RHEL 10

  • August 19, 2025
  • Linux
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Introduction How to Install Nomad on RHEL 10 on RHEL 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 reproducible and production-safe. […]

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Windows Server 2025 — KB5061036 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5061036 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5061036 • MSRC update-guide entry Related CVEs: CVE-2025-33070 CVE-2025-32712 CVE-2025-32713 CVE-2025-32714 CVE-2025-32715 CVE-2025-32724 CVE-2025-33064 CVE-2025-33066  +4 more Affected components: Windows Server 2025 Microsoft summary: Use of uninitialized resource in Windows Netlogon allows […]

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How to Configure rsnapshot on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure rsnapshot on Debian 13

  • August 19, 2025
  • Linux
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Introduction Deploying configure rsnapshot on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, ensure you have a […]

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Windows Server 2022 — KB5049983 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5049983 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5049983 • MSRC update-guide entry Related CVEs: CVE-2025-21294 CVE-2025-21295 CVE-2025-21296 CVE-2025-21297 CVE-2025-21298 CVE-2025-21309 CVE-2025-21307 CVE-2024-49120  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Windows Server […]

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How to Harden the GRUB Bootloader on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Harden the GRUB Bootloader on Debian 13

  • August 19, 2025
  • Linux
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Introduction How to Harden the GRUB Bootloader on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. […]

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Common Problems 111627

Windows Server 2025 Kerberos Failures Caused by Time Skew — Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 19 August 2025 Affected versions: Windows Server 2025 📖 ~2 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 111124

Windows Server 2025 — AD group membership cache causing stale access rights on Server 2025 — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 August 2025 Affected versions: Windows Server 2025 📖 ~2 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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