How to Configure Nginx Logging Ubuntu: Setup, Rotation, and Best Practices

February 3, 2026
Tutorials
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Configuring logging in Nginx on Ubuntu is essential for monitoring server performance, troubleshooting errors, and ensuring security. Whether you’re dealing with high-traffic websites or simple applications, knowing how to configure Nginx logging Ubuntu setups allows you to capture critical data without overwhelming your system. This comprehensive tutorial walks you through setting up access and error logs, implementing log rotation to manage disk space, and applying advanced configurations for optimal observability.

How to Configure auditd for Security Event Logging on RHEL 9

February 2, 2026
Linux
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The Linux Audit Framework, managed by the auditd daemon, records security-relevant kernel events to a structured log for compliance auditing, incident investigation, and intrusion detection. On RHEL 9, auditd is installed and enabled by default, giving you an immediate foundation for building a comprehensive security event trail. This tutorial covers configuring the audit daemon log […]

RHEL 10 LVM Thin Pool Reaches 100 Percent Data Usage

January 27, 2026
Linux
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🔴 Critical ⏱ 5–30 min Last verified: 27 January 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

How to Use sssd for LDAP Authentication on RHEL 10

January 22, 2026
Linux
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Introduction How to Use sssd for LDAP Authentication on RHEL 10 on RHEL 10 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 is […]

How to Install rkhunter on RHEL 10

January 16, 2026
Linux
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Introduction How to Install rkhunter on RHEL 10 on RHEL 10 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 is reproducible and production-safe. […]

How to Set Up ZFS on RHEL 9

January 16, 2026
Linux
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ZFS (Zettabyte File System) delivers enterprise-grade data integrity features including checksumming, copy-on-write snapshots, built-in RAID, and efficient replication — without requiring a separate volume manager. Although ZFS is not included in RHEL 9’s default kernel, the OpenZFS project provides DKMS-based packages that work reliably on RHEL 9. This tutorial covers installing OpenZFS, creating pools and […]

How to Install Nagios Core on RHEL 10

January 7, 2026
Linux
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Introduction How to Install Nagios Core on RHEL 10 on RHEL 10 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 is reproducible and […]

Oracle Linux 10 – Podman container cannot bind privileged port under SELinux – Fix & Prevention

January 3, 2026
Linux
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🟠 High ⏱ 5–30 min Last verified: 3 January 2026 Affected versions: Oracle Linux 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 10 – dracut rebuild omits multipath modules causing boot device not found

January 2, 2026
Linux
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🔴 Critical ⏱ 5–30 min Last verified: 2 January 2026 Affected versions: RHEL 10 RHEL 10.0 RHEL 10.1 📖 ~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 & […]

How to Install dnsmasq on RHEL 10

December 29, 2025
Linux
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Introduction This tutorial demonstrates how to Install dnsmasq on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories enabled. Prerequisites […]

Storage Disk

How to Configure Nginx Logging Ubuntu: Setup, Rotation, and Best Practices

How to Configure auditd for Security Event Logging on RHEL 9

RHEL 10 LVM Thin Pool Reaches 100 Percent Data Usage

How to Use sssd for LDAP Authentication on RHEL 10

How to Install rkhunter on RHEL 10

How to Set Up ZFS on RHEL 9

How to Install Nagios Core on RHEL 10

Oracle Linux 10 – Podman container cannot bind privileged port under SELinux – Fix & Prevention

RHEL 10 – dracut rebuild omits multipath modules causing boot device not found

How to Install dnsmasq on RHEL 10

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