October 2019 - Page 30 of 69

How to Tune Kernel Parameters with sysctl on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Tune Kernel Parameters with sysctl on SLES 12

Introduction This tutorial covers How to Tune Kernel Parameters with sysctl on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: […]

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Common Problems 113497

Windows Server 2012 R2 — WSUS metadata corruption prevents clients from downloading approved updates — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 04 June 2027 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 […]

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How to Configure DB2 HADR on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure DB2 HADR 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 configure db2 hadr on ibm aix 7.1 on IBM […]

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FreeBSD 12 — php-suhosin — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php-suhosin — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — open_basedir Race Condition Vulnerability Related CVEs: CVE-2006-5178 Upstream summary: Stefan Esser reports: PHP's open_basedir feature is meant to disallow scripts to access files outside a set of configured […]

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

How to Set Up OpenMPI 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 openmpi on ibm aix 7.2 on IBM […]

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How to Configure PHP-FPM with Nginx on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install WordPress with Nginx and PHP 8.4 on Ubuntu 26.04

WordPress powers over 40% of all websites. Installing it on a LEMP stack (Nginx + MySQL + PHP-FPM) gives you superior performance compared to the traditional LAMP/Apache setup. This guide installs WordPress on Ubuntu 26.04 LTS with Nginx, PHP 8.4, and MySQL 9. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with […]

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How to Configure SSL/TLS with OpenSSL on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure SSL/TLS with OpenSSL on FreeBSD 12

Introduction This guide explains how to Configure SSL/TLS with OpenSSL on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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How To Set Up a Node Project With Typescript — step-by-step Javascript tutorial on Progressive Robot

How To Set Up a Node Project With Typescript

Writing server-side JavaScript can be challenging as a codebase grows. TypeScript is a typed (optional) super-set of JavaScript that can help with building and managing large-scale JavaScript projects. It can be thought of as JavaScript with additional features like strong static typing, compilation and object oriented programming. This tutorial will explore how to use the [Express](https://expressjs.com/) framework with TypeScript.

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SLES 15 — u2f-host — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — u2f-host — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:1340-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-20340 Upstream summary: Yubico libu2f-host 1.1.6 contains unchecked buffers in devs.c, which could enable a malicious token to exploit a buffer overflow. An attacker could […]

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