windows server

Windows Server 2016 — KB5055519 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5055519 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5055519 • MSRC update-guide entry Related CVEs: CVE-2025-26663 CVE-2025-26686 CVE-2025-26670 CVE-2025-27480 CVE-2025-27482 CVE-2025-27491 CVE-2023-40547 CVE-2025-26664  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Microsoft summary: Use after […]

Read more
How to Configure Swap Space on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure Swap Space on Debian 13

Introduction How to Configure Swap Space 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 […]

Read more
How to Install and Configure Apache HTTPD on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install and Configure Apache HTTPD on RHEL 10

Introduction Setting up install and configure apache httpd on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install and Configure Apache HTTPD on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

Read more
Windows Server 2022 — KB5066747 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5066747 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5066747 • MSRC update-guide entry Related CVEs: CVE-2025-55248 Affected components: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: Inadequate encryption strength in .NET.NET […]

Read more
How to Install Cockpit Web Console on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Cockpit Web Console on Debian 13

Introduction This guide explains how to Install Cockpit Web Console 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 […]

Read more
How to Configure Automatic Kernel Hardening with Hardening.io on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure Automatic Kernel Hardening with Hardening.io on Debian 13

Introduction This guide explains how to Configure Automatic Kernel Hardening with Hardening.io 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 […]

Read more
How to Set Up an SFTP-Only User on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Set Up an SFTP-Only User on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying set up an sftp-only user both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up an SFTP-Only User on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

Read more
Windows Server 2016 — KB5050180 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5050180 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5050180 • MSRC update-guide entry Related CVEs: CVE-2025-21176 Affected components: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

Read more
How to Create and Manage Users on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Create and Manage Users on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up create and manage users on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration […]

Read more
Common Problems 111218

Windows Server 2025 — SQL Server TCP/IP dynamic port changing after service restart breaking connections — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 21 October 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 […]

Read more
CHAT