Database

How to Detect Rootkits with rkhunter and chkrootkit on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Detect Rootkits with rkhunter and chkrootkit on RHEL 7

How to Detect Rootkits with rkhunter and chkrootkit on RHEL 7 A rootkit is a collection of malicious software designed to maintain persistent, hidden access to a compromised system while concealing its presence from the administrator and standard system tools. Once installed, rootkits can replace core binaries, hide processes and network connections, and exfiltrate data […]

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How to Use Percona XtraBackup for MySQL Hot Backups on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Use Percona XtraBackup for MySQL Hot Backups on RHEL 8

Percona XtraBackup is an open-source hot backup utility for MySQL and Percona Server that performs physical backups without locking tables or interrupting active queries on InnoDB tables. Unlike mysqldump, which produces logical SQL dumps, XtraBackup copies InnoDB data files directly and replays the transaction log to bring the backup to a consistent state, making it […]

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How to Set Up IBM Db2 pureScale on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up IBM Db2 pureScale 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 set up ibm db2 purescale on ibm aix 7.2 […]

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How to Set Up a Certificate Authority on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up a Certificate Authority on Windows Server 2016

How to Set Up Windows Server 2016 Certificate Authority A Certificate Authority (CA) is a cornerstone of public key infrastructure (PKI). In Windows Server 2016, Active Directory Certificate Services (AD CS) provides the role needed to issue and manage digital certificates used for authentication, encryption, and digital signatures. This guide walks you through installing and […]

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Common Problems 118548

MySQL service fails to start after package upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 24 July 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 Install MySQL 8 on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install MySQL 8 on FreeBSD 12

Introduction This guide explains how to Install MySQL 8 on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege […]

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How to Configure Scale-Out File Server (SoFS) on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Scale-Out File Server (SoFS) on Windows Server 2016

How to Set Up a Scale-Out File Server (SoFS) on Windows Server 2016 A Scale-Out File Server (SoFS) is a clustered file server role in Windows Server 2016 that provides continuously available file shares for application data. Unlike a traditional failover cluster file server which fails over from one node to another, a Scale-Out File […]

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How to Patch AIX with Fix Central Downloads on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Patch AIX with Fix Central Downloads 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 patch aix with fix central downloads on ibm aix […]

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How to Trace System Calls with truss on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Trace System Calls with truss 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 trace system calls with truss on ibm aix 7.2 […]

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Common Problems 115123

RHEL 8 fapolicyd Blocking Trusted Application Execution

🟡 Medium   ⏱ 5–30 min  Last verified: 21 July 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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