Storage Disk

How to Set Up WireGuard VPN on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up WireGuard VPN on FreeBSD 12 (ON-FREEBSD-12)

Introduction How to Set Up WireGuard VPN 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 […]

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How to Configure Ansible to Manage AIX Nodes on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Ansible to Manage AIX Nodes 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 configure ansible to manage aix nodes on ibm aix […]

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Common Problems 117931

Ubuntu 18.04 Black Screen After Login

🟡 Medium   ⏱ 5–30 min  Last verified: 19 October 2019 📖 ~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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How to Configure DB2 HADR on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure DB2 HADR 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 db2 hadr on ibm aix 7.1 on IBM […]

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How to Set Up OpenMPI on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up OpenMPI 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 set up openmpi on ibm aix 7.2 on IBM […]

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How to Configure SSL/TLS with OpenSSL on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure SSL/TLS with OpenSSL on FreeBSD 12

Introduction This guide explains how to Configure SSL/TLS with OpenSSL on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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How to Set Up Hyper-V on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up Hyper-V on Windows Server 2016

How to Set Up Windows Server 2016 Hyper-V Hyper-V is Microsoft’s native hypervisor, built into Windows Server 2016. It allows you to create and manage virtual machines (VMs), enabling server consolidation, test environments, and high availability scenarios. Windows Server 2016 Hyper-V includes enhancements such as Shielded VMs, Host Guardian Service, nested virtualization, and improved Linux […]

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How to Install and Configure AIDE on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure AIDE on RHEL 8

AIDE (Advanced Intrusion Detection Environment) is a host-based intrusion detection tool that detects unauthorized changes to files and directories by comparing a live system snapshot against a baseline database. On RHEL 8, AIDE is available directly from the standard repositories and integrates cleanly with systemd for scheduled integrity checks. Detecting modified binaries, configuration files, or […]

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Common Problems 118532

Ubuntu 16.04 mdadm RAID Degraded After Reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 16 October 2019 📖 ~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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How to Set Up iSCSI Target Server on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up iSCSI Target Server on Windows Server 2012 R2

How to Set Up iSCSI Target Server on Windows Server 2012 R2 iSCSI (Internet Small Computer Systems Interface) is a storage networking protocol that enables block-level storage access over a standard TCP/IP network. Windows Server 2012 R2 includes a built-in iSCSI Target Server role service that allows you to create and manage iSCSI targets — […]

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