Storage Disk

How to Optimize AIX for High-Throughput Workloads on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Optimize AIX for High-Throughput Workloads 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 optimize aix for high-throughput workloads on ibm aix 7.1 […]

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Common Problems 115522

Dracut emergency shell after storage changes

🟡 Medium   ⏱ 5–30 min  Last verified: 13 November 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 Use lsdev and lscfg for Device Inventory on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use lsdev and lscfg for Device Inventory 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 use lsdev and lscfg for device inventory on ibm […]

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How to Use smit fastpath Shortcuts on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use smit fastpath Shortcuts 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 use smit fastpath shortcuts on ibm aix 7.2 on […]

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How to Configure PHP-FPM with Nginx on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure PHP-FPM with Nginx on FreeBSD 12

Introduction How to Configure PHP-FPM with Nginx 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 DRBD-Style Replication on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure DRBD-Style Replication 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 drbd-style replication on ibm aix 7.1 on IBM […]

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How to Use IBM Cloud CLI with PowerVS on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use IBM Cloud CLI with PowerVS 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 use ibm cloud cli with powervs on ibm aix […]

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How to Configure Log Rotation with logrotate on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Log Rotation with logrotate on RHEL 8

Log files grow indefinitely unless something rotates and prunes them, which will eventually fill a disk and crash your services. On RHEL 8, logrotate is installed by default and handles rotation for most system logs out of the box via a systemd timer. For application logs your team manages, you need to write a custom […]

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Common Problems 118924

Ubuntu 14.04 LTS Boot Drops to initramfs Prompt

🟡 Medium   ⏱ 5–30 min  Last verified: 11 November 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 Consul for Service Discovery on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Consul for Service Discovery on FreeBSD 12

Introduction How to Configure Consul for Service Discovery 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 […]

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