Performance

How to Set Up IBM Db2 pureScale on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up IBM Db2 pureScale on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up ibm db2 purescale on ibm aix 7.2 […]

Read more
How to Harden Nginx: Security Headers, TLS 1.3 and OCSP Stapling on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Harden Nginx: Security Headers, TLS 1.3 and OCSP Stapling on RHEL 8

A default Nginx installation exposes version information in response headers, accepts legacy TLS protocols, and sends no browser security directives — all of which reduce your attack surface score and leave clients vulnerable to clickjacking, MIME sniffing, and downgrade attacks. Hardening Nginx on RHEL 8 involves a series of targeted configuration changes: suppressing the server […]

Read more
Common Problems 113422

Windows Server 2012 R2 SMB File Server Latency Spikes During Backup Window – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 25 July 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]

Read more
How to Encrypt Disk Partitions with LUKS on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Encrypt Disk Partitions with LUKS on RHEL 7

How to Encrypt Disk Partitions with LUKS on RHEL 7 Linux Unified Key Setup (LUKS) is the standard for disk encryption on Linux, providing a robust, well-documented format for encrypted block devices. By encrypting partitions with LUKS, you ensure that data remains unreadable if physical drives are removed or a server is decommissioned without proper […]

Read more
Common Problems 112551

Windows Server 2019 Large File Copy Stalls at 99 Percent Over SMB 3 Encryption – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 24 July 2019 Affected versions: Windows Server 2019 📖 ~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 […]

Read more
Common Problems 112543

Windows Server 2019 — NLB cluster convergence loops after adding new node with mismatched host priority — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 24 July 2019 Affected versions: Windows Server 2019 📖 ~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
How to Configure Scale-Out File Server (SoFS) on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Scale-Out File Server (SoFS) on Windows Server 2016

How to Set Up a Scale-Out File Server (SoFS) on Windows Server 2016 A Scale-Out File Server (SoFS) is a clustered file server role in Windows Server 2016 that provides continuously available file shares for application data. Unlike a traditional failover cluster file server which fails over from one node to another, a Scale-Out File […]

Read more
How to Configure PHP-FPM with Nginx on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure PHP-FPM with Nginx on RHEL 7

How to Configure PHP-FPM with Nginx on RHEL 7 PHP-FPM (FastCGI Process Manager) is the recommended way to run PHP alongside Nginx. Unlike Apache’s mod_php which embeds PHP directly into the web server process, PHP-FPM runs as a completely separate daemon. Nginx passes PHP requests to PHP-FPM over a Unix socket or TCP connection, and […]

Read more
How to Patch AIX with Fix Central Downloads on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Patch AIX with Fix Central Downloads on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to patch aix with fix central downloads on ibm aix […]

Read more
How to Trace System Calls with truss on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Trace System Calls with truss on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to trace system calls with truss on ibm aix 7.2 […]

Read more
CHAT