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How To Secure Apache with Let's Encrypt on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Secure Apache with Let’s Encrypt on Ubuntu 18.04

Let’s Encrypt is a Certificate Authority (CA) that provides an easy way to obtain and install free TLS/SSL certificates, thereby enabling encrypted HTTPS on web servers. In this tutorial, you will use Certbot to obtain a free SSL certificate for Apache on Ubuntu 18.04 and set up your certificate to renew automatically.

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Getting Started With Angular Using the Angular CLI — step-by-step Javascript tutorial on Progressive Robot

Getting Started With Angular Using the Angular CLI

Angular is a popular JavaScript framework that creates interactive web, mobile, and desktop applications. The Angular CLI simplifies the process of getting started with Angular. This tutorial covers building an Angular application through the Angular CLI and working with its HTML, CSS, and TypeScript files.

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FreeBSD 12 — oops — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — oops — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 November 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: oops — format string vulnerability Related CVEs: CVE-2005-1121 Upstream summary: A RST/GHC Advisory reports that there is an format string vulnerability in oops. The vulnerability can be found in the […]

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How to Install Elasticsearch on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Elasticsearch on RHEL 7

How to Install Elasticsearch on RHEL 7 Elasticsearch is a distributed, RESTful search and analytics engine built on Apache Lucene. It is widely used for full-text search, log aggregation, and real-time data analysis. This guide walks you through installing and configuring Elasticsearch on Red Hat Enterprise Linux 7, including repository setup, basic cluster configuration, JVM […]

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openSUSE Tumbleweed — udisks — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — udisks — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2011:008 (see also SUSE bugzilla) Related CVEs: CVE-2010-4661 CVE-2010-1149 CVE-2014-0004 Upstream summary: udisks before 1.0.3 allows a local user to load arbitrary Linux kernel modules. Table of contents Symptom & Impact Environment […]

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How to Configure DRBD-Style Replication on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure DRBD-Style Replication 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 drbd-style replication on ibm aix 7.1 on IBM […]

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How to Use IBM Cloud CLI with PowerVS on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use IBM Cloud CLI with PowerVS 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 use ibm cloud cli with powervs on ibm aix […]

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How to Configure Network Load Balancing on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Network Load Balancing on Windows Server 2016

How to Configure Windows Server 2016 Network Load Balancing Network Load Balancing (NLB) in Windows Server 2016 distributes incoming network traffic across multiple servers in a cluster, improving availability and scalability for TCP/IP-based services such as web servers, Terminal Services, and VPNs. Unlike Failover Clustering which targets stateful applications, NLB is ideal for stateless services […]

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