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How to Install Puppet Agent on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Puppet Agent on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install puppet agent on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and the […]

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How to Configure System Center Operations Manager Agent on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure System Center Operations Manager Agent on Windows Server 2012 R2

How to Configure System Center Operations Manager Agent on Windows Server 2012 R2 System Center Operations Manager (SCOM) is Microsoft’s enterprise monitoring solution that provides comprehensive, agent-based monitoring of Windows servers, applications, network infrastructure, and services. The SCOM agent installed on each managed server collects performance data, event log entries, and application health information, forwarding […]

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How to Set Up the Elastic Stack ELK on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up the Elastic Stack ELK on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up set up the elastic stack elk on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step […]

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How to Set Up a PKI Infrastructure with AD CS on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up a PKI Infrastructure with AD CS on Windows Server 2016

Introduction Active Directory Certificate Services (AD CS) on Windows Server 2016 provides a complete Public Key Infrastructure (PKI) platform for issuing and managing digital certificates used by SSL/TLS, smart card authentication, email signing, IPsec, code signing, and more. A two-tier PKI hierarchy — an offline Root CA and an online Issuing CA — is the […]

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How to Set Up Nginx as a Reverse Proxy on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Nginx as a Reverse Proxy on Debian 10

Introduction Deploying set up nginx as a reverse proxy on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. […]

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How to Configure HTTP/2 on Nginx on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure HTTP/2 on Nginx on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up configure http/2 on nginx on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

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How to Configure auditd System Auditing on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure auditd System Auditing on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure auditd system auditing on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]

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How to Configure Apache2 Virtual Hosts on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Apache2 Virtual Hosts on Debian 10

Introduction Deploying configure apache2 virtual hosts on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you […]

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How to Install and Use Skopeo for Container Image Management on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Use Skopeo for Container Image Management on RHEL 8

Skopeo is a command-line tool for working with container images and registries without requiring a running container daemon. On RHEL 8 it is available directly from the default repositories, making it one of the easiest container tools to install and use. Unlike Docker CLI, Skopeo can inspect, copy, sync, and delete images across registries without […]

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Common Problems 115392

yum fails with Cannot retrieve metalink

🟡 Medium   ⏱ 5–30 min  Last verified: 26 June 2020 📖 ~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 & Cross-Refs References & Further […]

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