Using Angular’s Location Service
The common package in Angular 2+ has a Location service that allows to interact with the current browser path.
An Introduction to Hadoop
Apache Hadoop is one of the earliest and most influential open-source tools for storing and processing the massive amount of readily-available digital data that has accumulated with the rise of the World Wide Web. It evolved from a project called Nutch, which attempted to find a…
Debian 10 – mdadm RAID Degraded and Rebuild Stalled – Safe Recovery
🟠 High ⏱ 5–30 min Last verified: 28 July 2020 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 & […]
RHEL 7 Yum GPG Key Verification Fails on Internal Mirror
🟡 Medium ⏱ 5–30 min Last verified: 28 July 2020 📖 ~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 […]
RHEL 7 systemctl Shows Unit Failed After Boot
🟡 Medium ⏱ 5–30 min Last verified: 28 July 2020 📖 ~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 […]
How to Upgrade SLES 12 to SLES 12
Introduction This tutorial covers How to Upgrade SLES 12 to SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]
Alpine Linux edge — opendkim — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0 📖 ~4 min read • Source: Alpine secdb entry — opendkim 0 Related CVEs: CVE-2020-35766 Upstream summary: Alpine community repository for vedge ships opendkim 0 which addresses CVE-2020-35766. Table of contents Symptom & Impact Environment […]
Windows Server 2019 – Storport queue depth saturation causes application timeouts – Fix and Prevention
🟠 High ⏱ 5–30 min Last verified: 28 July 2020 Affected versions: Windows Server 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 […]
Знакомство с параметрами JavaScript по умолчанию
Автор выбрал COVID-19 Relief Fund для получения пожертвования в рамках программы Write for DOnations. В ECMAScript 2015…
Promises in JavaScript with ES6 / ES2015
Promises allow you to more easily write asynchronous code in JavaScript. Learn their syntax in this quick post.
