Filesystem

Common Problems 114908

RHEL 8 RPM Database Locked During Automated Updates

🟡 Medium   ⏱ 5–30 min  Last verified: 3 November 2021 📖 ~2 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 […]

Read more
How to Set Up VLAN Tagging on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up VLAN Tagging on FreeBSD 13

Introduction How to Set Up VLAN Tagging 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 […]

Read more
How to Build Grafana Dashboards for Linux Server Metrics on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Build Grafana Dashboards for Linux Server Metrics on RHEL 7

How to Build Grafana Dashboards for Linux Server Metrics on RHEL 7 Grafana is the de facto standard for visualising time-series data collected by Prometheus, InfluxDB, Graphite, and dozens of other data sources. A well-constructed Grafana dashboard can surface CPU saturation, memory pressure, disk I/O bottlenecks, and network anomalies at a glance, dramatically reducing the […]

Read more
How to Set Up Work Folder Sync with AD Integration on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Work Folder Sync with AD Integration on Windows Server 2019

Introduction to Work Folders Work Folders is a Windows Server role service that allows users to synchronize a folder on a central file server to their Windows devices—similar to a corporate Dropbox, but managed entirely on-premises. Unlike traditional offline files, Work Folders works through HTTPS on port 443, making it accessible from both domain-joined machines […]

Read more
How to Install Jenkins on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Jenkins on FreeBSD 13

Introduction How to Install Jenkins 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, and […]

Read more
How to Set Up iocage Jail Storage on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up iocage Jail Storage on FreeBSD 13

Introduction How to Set Up iocage Jail Storage 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 […]

Read more
How to Configure Disk Mirroring with LVM on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Disk Mirroring with LVM 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 disk mirroring with lvm on ibm aix 7.1 […]

Read more
How to Enable Brotli Compression in Nginx on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Enable Brotli Compression in Nginx on FreeBSD 13

Introduction How to Enable Brotli Compression in Nginx 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 […]

Read more
How to Configure MAC Policies on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure MAC Policies on FreeBSD 13

Introduction How to Configure MAC Policies 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, […]

Read more
Common Problems 119056

Ubuntu 14.04 LTS – MySQL fails to start after abrupt shutdown – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 October 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 […]

Read more
CHAT