authentication

How to Set Up Windows Server 2019 with Zabbix — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 with Zabbix

How to Set Up Windows Server 2019 with Zabbix Zabbix is an enterprise-class open-source monitoring platform that provides agent-based and agentless monitoring of Windows Server 2019 infrastructure. The Zabbix agent for Windows collects over 100 built-in metrics including CPU, memory, disk, network, services, and event log data. Zabbix’s template system makes it straightforward to apply […]

Read more
How to Set Up Windows Server 2022 Azure Kubernetes Service — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Server 2022 Azure Kubernetes Service

Introduction to Privileged Access Workstations (PAW) A Privileged Access Workstation (PAW) is a dedicated, hardened computer used exclusively for performing sensitive administrative tasks. The concept was formalized by Microsoft as part of the Privileged Access strategy to counter the most common attack vectors used by threat actors to compromise administrative accounts — credential theft, pass-the-hash, […]

Read more
How to Configure Edge Transport Server for Email on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Edge Transport Server for Email on Windows Server 2022

Overview of Exchange Edge Transport Server The Exchange Edge Transport server role acts as the outermost layer of your on-premises Exchange mail infrastructure. Unlike Hub Transport or Mailbox servers, the Edge Transport server is intentionally deployed in the DMZ (demilitarized zone) or perimeter network and is not domain-joined. This isolation means that if the Edge […]

Read more
Common Problems 116891

Ubuntu 22.04 LTS Stuck at Black Screen After Kernel Update

🟡 Medium   ⏱ 5–30 min  Last verified: 23 January 2023 📖 ~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 […]

Read more
How to Set Up Duplicity Backup on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Duplicity Backup on Debian 9

Introduction Deploying set up duplicity backup on debian 9 on a Debian 9 Stretch 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 […]

Read more
Common Problems 111780

Windows Server 2022 — WinRM HTTPS listener fails to bind on Windows Server 2022 — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 January 2023 Affected versions: Windows Server 2022 📖 ~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 112415

Windows Server 2019 — Password change rejected with policy mismatch even though it meets stated requirements — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 22 January 2023 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 Set Up Ansible on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Ansible on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up ansible 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 the […]

Read more
How to Set Up psad Port Scan Attack Detector on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up psad Port Scan Attack Detector on Debian 9

Introduction How to Set Up psad Port Scan Attack Detector on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ […]

Read more
Common Problems 116980

Ubuntu 22.04 LTS Docker Pull Fails with x509 Certificate Signed by Unknown Authority

🟡 Medium   ⏱ 5–30 min  Last verified: 20 January 2023 📖 ~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 […]

Read more
CHAT