Storage Disk

How to Install Open Source Tools via AIX Toolbox on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Install Open Source Tools via AIX Toolbox 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 install open source tools via aix toolbox on ibm […]

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How to Scan for Vulnerabilities with OpenVAS on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Scan for Vulnerabilities with OpenVAS on RHEL 8

OpenVAS (Open Vulnerability Assessment System), now distributed as Greenbone Community Edition, is a powerful open-source vulnerability scanner that identifies known CVEs, misconfigurations, and weak credentials across your network. Running it as a containerized stack on RHEL 8 keeps the scanner isolated and easy to update without conflicting with system packages. This tutorial covers deploying Greenbone […]

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How to Set Up a Git Server with Gitea on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up a Git Server with Gitea on FreeBSD 13

Introduction Deploying set up a git server with gitea on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely […]

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Common Problems 118976

Ubuntu 14.04 LTS – filesystem remounts read-only after I/O errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 5 November 2021 Affected versions: Ubuntu 14.04 LTS 📖 ~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 Mount NFS Shares on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Mount NFS Shares on FreeBSD 13

Introduction How to Mount NFS Shares on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 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 filtering, […]

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Common Problems 117472

Ubuntu 20.04 LTS – initramfs drops to BusyBox with UUID not found – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 5 November 2021 Affected versions: Ubuntu 20.04 LTS 📖 ~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 Use Windows PowerShell for Server Inventory on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Use Windows PowerShell for Server Inventory on Windows Server 2012 R2

How to Build PowerShell Script Modules on Windows Server 2012 R2 PowerShell script modules are the standard packaging mechanism for distributing reusable functions, workflows, and cmdlets within an organization. A script module is simply a .psm1 file — a PowerShell script that defines functions and controls which of them are exported for use by consumers […]

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How to Configure Remote Desktop Disk Redirection on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Remote Desktop Disk Redirection on Windows Server 2019

How to Configure Remote Desktop Disk Redirection on Windows Server 2019 Remote Desktop disk redirection allows local drives, removable storage devices, and clipboard file transfers to appear within a Remote Desktop session on Windows Server 2019. When a user connects to an RD Session Host, their local drives (C:, D:, USB drives, etc.) can appear […]

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How to Configure Jenkins Pipelines on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Jenkins Pipelines on FreeBSD 13

Introduction How to Configure Jenkins Pipelines on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 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 filtering, […]

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How to Install Nagios Core on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Nagios Core on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install nagios core on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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