January 2021 - Page 63 of 69

Common Problems 115627

RHEL 7 Yum Transaction Test Error After Interrupted Upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 113626

Windows Server 2012 R2 – PnP driver rollback loop keeps reinstalling faulty package – Fix and Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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How to Configure MySQL InnoDB Cluster on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure MySQL InnoDB Cluster on Oracle Linux 8

Introduction How to Configure MySQL InnoDB Cluster on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

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How to Configure AIX Audit Events on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure AIX Audit Events 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 configure aix audit events on ibm aix 7.2 on […]

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Spring JDBC Example — step-by-step DevOps tutorial on Progressive Robot

Spring JDBC Example

URL: https://www.progressiverobot.com/spring-jdbc-example/ Spring JDBC is the topic of this tutorial. Databases are integral part of most of the Enterprise Applications. So when it comes to a Java EE framework, having good integration with [JDBC](/community/tutorials/jdbc-example-mysql-oracle "JDBC Example Tutorial – Drivers, Connection, Statement and ResultSet") is very important. Spring JDBC ![spring jdbc, spring jdbc example, spring JDBCTemplate, […]

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Arch Linux — vlc — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — vlc — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201906-22 Related CVEs: CVE-2019-5439 CVE-2019-12874 CVE-2017-9300 CVE-2017-10699 CVE-2017-8312 CVE-2017-8311 CVE-2017-8310 CVE-2020-26664 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 3.0.6-13. Fixed in: 3.0.7.1-1. Group: AVG-998. Table of contents Symptom […]

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

How to Install InfluxDB on FreeBSD 12

Introduction How to Install InfluxDB 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, and […]

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