Storage Disk

Common Problems 116984

Ubuntu 22.04 LTS High Memory Use from snapd

🟡 Medium   ⏱ 5–30 min  Last verified: 4 August 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 Install GCC and Build Essential Tools on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install GCC and Build Essential Tools on Debian 11

Introduction This guide explains how to Install GCC and Build Essential Tools on Debian 11 on Debian 11 Bullseye. Debian Bullseye 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 11 install […]

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Common Problems 115133

RHEL 8 auditd Backlog Limit Exceeded and Events Lost – RHEL 8 Post 073

🟡 Medium   ⏱ 5–30 min  Last verified: 3 August 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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Common Problems 114606

journalctl Logs Grow Too Large on RHEL 9

🟡 Medium   ⏱ 5–30 min  Last verified: 3 August 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 IBM Installation Manager on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Set Up IBM Installation Manager 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 ibm installation manager on IBM AIX 7.3 […]

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How to Install Go 1.21 on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Go 1.21 on Debian 11

Introduction This guide explains how to Install Go 1.21 on Debian 11 on Debian 11 Bullseye. Debian Bullseye 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 11 install with the standard […]

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Common Problems 120481

Debian 11 – dpkg Interrupted State Blocks Package Operations – Full Recovery

🔴 Critical   ⏱ 5–30 min  Last verified: 2 August 2022 Affected versions: Debian 11 📖 ~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 Tune AIX for Oracle Database Performance on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Tune AIX for Oracle Database Performance 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 tune aix for oracle database performance on IBM AIX […]

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How to Manage Disk Encryption with LUKS and cryptsetup on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Manage Disk Encryption with LUKS and cryptsetup on RHEL 9

LUKS (Linux Unified Key Setup) is the standard disk encryption format on RHEL 9, providing robust full-disk and partition-level encryption using the dm-crypt kernel subsystem. The cryptsetup utility is the primary tool for creating, managing, and auditing LUKS containers. LUKS2, the default format since RHEL 8, offers improved metadata resilience, Argon2 key derivation, and per-sector […]

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How to Configure IBM MQ on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure IBM MQ 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 configure ibm mq on IBM AIX 7.3 with practical […]

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