DNS

Oracle Linux 9 — bind — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — bind — vulnerability — patch and remediation guide (ELSA-2025-19951)

🟠 High   ⏱ 15–60 min  Last verified: 31 January 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-19951 Related CVEs: CVE-2025-40778 CVE-2025-40780 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How to Configure Nginx Rate Limiting on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure Nginx Rate Limiting on CentOS Stream 10

Introduction This tutorial demonstrates how to Configure Nginx Rate Limiting on CentOS Stream 10 on CentOS Stream 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 10 system with the […]

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How to Install Ruby on Rails on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Install Ruby on Rails on CentOS Stream 10

Introduction This tutorial demonstrates how to Install Ruby on Rails on CentOS Stream 10 on CentOS Stream 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 10 system with the […]

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How to Install MongoDB on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Install MongoDB on CentOS Stream 10

Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying install mongodb on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Install MongoDB on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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How to Set Up Privileged Access Workstation (PAW) on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Set Up Privileged Access Workstation (PAW) on Windows Server 2025

How to Set Up Privileged Access Workstation (PAW) on Windows Server 2025 A Privileged Access Workstation (PAW) is a dedicated, hardened computer used exclusively for performing administrative tasks against sensitive systems such as domain controllers, Active Directory, and critical servers. Unlike a standard workstation that is used for browsing, email, and general productivity, a PAW […]

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How to Set Up a Ceph Storage Cluster on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up a Ceph Storage Cluster on RHEL 9

Ceph is a highly scalable, self-healing distributed storage platform that provides object, block, and file storage from a single cluster. On RHEL 9, cephadm is the recommended deployment tool for the Reef release, using containers and SSH to bootstrap and manage cluster daemons without manual RPM installations. This tutorial covers deploying a basic Ceph cluster […]

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CentOS Stream 9 — bind-dyndb-ldap — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — bind-dyndb-ldap — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 January 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:5231 Related CVEs: CVE-2024-1737 CVE-2024-1975 CVE-2024-4076 CVE-2023-4408 CVE-2023-50387 CVE-2023-50868 CVE-2023-5517 CVE-2023-5679  +1 more Upstream summary: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. […]

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Common Problems 127104

CentOS Stream 10 – Common Problem 189 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 26 January 2025 Affected versions: CentOS Stream 10 📖 ~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 Windows Performance Monitor (perfmon) on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Configure Windows Performance Monitor (perfmon) on Windows Server 2025

How to Configure Windows Performance Monitor (perfmon) on Windows Server 2025 Windows Performance Monitor — accessed via perfmon.exe — is the built-in tool for capturing detailed system performance data on Windows Server 2025 without installing any third-party software. It can record hundreds of performance counters including CPU utilisation, memory pressure, disk throughput, network I/O, and […]

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How to Install SQL Server Management Studio (SSMS) on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Install SQL Server Management Studio (SSMS) on Windows Server 2025

How to Install SQL Server Management Studio (SSMS) on Windows Server 2025 SQL Server Management Studio (SSMS) is Microsoft’s integrated environment for managing any SQL infrastructure, from SQL Server on-premises to Azure SQL Database. Unlike the SQL Server database engine itself, SSMS is a separate free download that must be installed independently on each machine […]

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