Introduction How to Set Up Uptime Kuma 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 […]
🟡 Medium ⏱ 5–30 min Last verified: 22 January 2021 Affected versions: Windows Server 2016 📖 ~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 […]
Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying secure nginx with let’s encrypt on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Secure Nginx with Let’s Encrypt on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the […]
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 use numa_node_info for numa topology on ibm aix 7.2 […]
How to Configure NTLM Authentication on Windows Server 2012 R2 NT LAN Manager (NTLM) is a challenge-response authentication protocol that predates Kerberos in Windows environments. While Kerberos is the preferred protocol for domain authentication, NTLM remains in use for several scenarios: authentication to servers by IP address rather than FQDN, workgroup authentication, legacy applications, and […]
Buildah is a Red Hat–sponsored command-line tool for building OCI-compliant container images without requiring a Docker daemon or root privileges. It ships in the default RHEL 8 AppStream repository alongside Podman, making it a natural fit for secure, rootless CI/CD pipelines. In this tutorial you will install Buildah and Podman on RHEL 8, build images […]
🟡 Medium ⏱ 5–30 min Last verified: 21 January 2021 Affected versions: Windows Server 2016 📖 ~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 […]
🟠 High ⏱ 15–60 min Last verified: 21 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-5714 Related CVEs: CVE-2020-12653 CVE-2020-12768 CVE-2020-12657 CVE-2020-12659 CVE-2020-12654 CVE-2020-12464 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
How to Configure Cross-Forest Trusts in Active Directory on Windows Server 2012 R2 Cross-forest trusts enable users in one Active Directory forest to access resources in another forest, enabling collaboration between organizations, supporting merger and acquisition scenarios, and allowing resource sharing between separate business units with independent IT governance. Windows Server 2012 R2 supports several […]
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 use svmon for memory analysis on ibm aix 7.1 […]
