authentication

How to Configure SSL/TLS on Nginx on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure SSL/TLS on Nginx on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure ssl/tls on nginx 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 a Python uWSGI Application Server on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure a Python uWSGI Application Server on Debian 9

Introduction This guide explains how to Configure a Python uWSGI Application Server on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install […]

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How to Set Up Hyper-V Replication on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Hyper-V Replication on Windows Server 2012 R2

How to Set Up Hyper-V Replication on Windows Server 2012 R2 Hyper-V Replica is a built-in disaster recovery feature in Windows Server 2012 R2 that continuously replicates virtual machines from a primary Hyper-V host to a replica host over the network. In the event of a primary host failure, you can fail over to the […]

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How to Configure Azure Backup for Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Azure Backup for Windows Server 2016

How to Configure Azure Backup for Windows Server 2016 Azure Backup is Microsoft’s cloud-based backup service that protects on-premises Windows Server workloads by storing data in Azure Recovery Services vaults. It provides offsite, encrypted, geo-redundant backup storage without the capital expense of managing tape libraries or remote backup hardware. Azure Backup for Windows Server 2016 […]

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Common Problems 113095

Windows Server 2016 – Just-in-Time admin elevation fails through PAM workflows – Fix & Prevention

🟠 High   ā± 5–30 min  Last verified: 13 December 2019 Affected versions: Windows Server 2016 šŸ“– ~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 […]

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How to Configure NTP Time Synchronization on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure NTP Time Synchronization on Debian 9

Introduction This guide explains how to Configure NTP Time Synchronization on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the […]

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How to Set Up Network Monitoring on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up Network Monitoring on Windows Server 2016

How to Set Up Windows Server 2016 Network Monitoring Network monitoring is a critical component of maintaining a healthy and secure Windows Server 2016 environment. Without visibility into network traffic, bandwidth utilization, device availability, and performance metrics, administrators are essentially flying blind. Problems may go undetected until they cause outages, and capacity planning becomes guesswork. […]

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Common Problems 113411

Windows Server 2012 R2 — Password change rejected with policy mismatch even though it meets stated requirements — Fix & Prevention

🟠 High   ā± 5–30 min  Last verified: 9 December 2019 Affected versions: Windows Server 2012 R2 šŸ“– ~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 […]

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How to Configure iptables Packet Filtering on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure iptables Packet Filtering on Debian 9

Introduction This guide explains how to Configure iptables Packet Filtering on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the […]

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How to Automate Backups with rsync and cron on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Automate Backups with rsync and cron on RHEL 7

How to Automate Backups with rsync and cron on RHEL 7 Reliable backups are the foundation of any serious system administration strategy. On RHEL 7, rsync combined with cron provides a powerful, scriptable, and highly efficient backup solution that requires no commercial software or complex infrastructure. rsync transfers only changed file blocks over the network, […]

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