Filesystem

Common Problems 114416

RPM Database Corruption on RHEL 9

🟡 Medium   ⏱ 5–30 min  Last verified: 27 December 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 & Cross-Refs References & Further […]

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Initial Server Setup with IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

Initial Server Setup with IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to server setup with ibm aix 7.3 on IBM AIX […]

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How to Install PostgreSQL 16 on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install PostgreSQL 16 on FreeBSD 12

Introduction How to Install PostgreSQL 16 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 filtering, […]

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Common Problems 119008

Ubuntu 14.04 LTS /var Full from Log Growth Breaks Services

🟡 Medium   ⏱ 5–30 min  Last verified: 23 December 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 & Cross-Refs References & Further […]

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How to Set Up Tripwire for File Integrity Monitoring on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up Tripwire for File Integrity Monitoring on RHEL 9

File Integrity Monitoring (FIM) detects unauthorised modifications to critical system files — a key indicator of compromise that antivirus and network monitoring tools often miss. Tripwire is a battle-tested open-source FIM tool that creates a cryptographic hash database of your filesystem and alerts you when files are added, modified, or deleted. On RHEL 9, Tripwire […]

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Common Problems 115417

RPM Database Corruption Breaks Package Operations

🟡 Medium   ⏱ 5–30 min  Last verified: 18 December 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 & Cross-Refs References & Further […]

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How to Set Up SSL VPN with OpenVPN on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Set Up SSL VPN with OpenVPN on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up ssl vpn with openvpn on IBM AIX […]

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How to Use Veeam Backup for Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Use Veeam Backup for Windows Server 2022

Introduction to Veeam Backup for Windows Server 2022 Veeam Backup & Replication is one of the most widely used enterprise backup solutions, known for its rich feature set, reliability, and support for both virtual machine and physical server workloads. For Windows Server 2022, Veeam offers two primary deployment paths: agent-based backup for physical servers or […]

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Common Problems 121190

Inode Exhaustion with Free Disk Space Remaining

🟡 Medium   ⏱ 5–30 min  Last verified: 15 December 2022 Affected versions: Debian 10 📖 ~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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