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How to Configure AIX as an NIS Server on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure AIX as an NIS Server 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 aix as an nis server on ibm aix […]

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How to Configure Redis Sentinel on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Redis Sentinel on FreeBSD 12

Introduction How to Configure Redis Sentinel on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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How To Use Python-Markdown to Convert Markdown Text to HTML — step-by-step Python tutorial on Progressive Robot

How To Use Python-Markdown to Convert Markdown Text to HTML

Markdown is a markup language commonly used to simplify the process of writing content in an easy-to-read text format, which a software tool or programming library can convert into HTML to display in a browser or another writing program. In this tutorial, you will install the Python-Markdown library, use it to convert Markdown strings to HTML, convert Markdown files to HTML files, and use the Python-Markdown command line interface to convert Markdown to HTML.

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Alpine Linux edge — taglib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — taglib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.11.1-r2 📖 ~4 min read  •  Source: Alpine secdb entry — taglib 1.11.1-r2 Related CVEs: CVE-2017-12678 CVE-2018-11439 Upstream summary: Alpine community repository for vedge ships taglib 1.11.1-r2 which addresses CVE-2017-12678. Table of contents Symptom & Impact […]

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How to Configure IPsec Transport Mode for Server-to-Server Encryption on Windows Server 2019 — Windows Server 2019 tutorial on Progressive Robot

How to Configure IPsec Transport Mode for Server-to-Server Encryption on Windows Server 2019

Introduction to IPsec Transport Mode IPsec (Internet Protocol Security) Transport Mode encrypts and authenticates the payload of IP packets while leaving the IP header visible. Unlike Tunnel Mode (used for VPNs), Transport Mode secures traffic between two specific servers across an existing network without changing the routing path. On Windows Server 2019, IPsec Transport Mode […]

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