Introduction Setting up install influxdb on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install InfluxDB on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]
🟠 High ⏱ 15–60 min Last verified: 9 February 2021 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2020:0810-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-11805 CVE-2019-12420 CVE-2020-1930 CVE-2020-1931 CVE-2020-1946 CVE-2017-15705 CVE-2018-11780 CVE-2018-11781 Upstream summary: In Apache SpamAssassin before 3.4.3, nefarious CF files can be configured to run system commands […]
🔴 Critical ⏱ 5–30 min Last verified: 8 February 2021 Affected versions: Oracle Linux 8 📖 ~3 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 This tutorial demonstrates how to Configure ZFS on Oracle Linux 8 on Oracle Linux 8. 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 Oracle Linux 8 system with the default AppStream […]
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 ibmservice to register support on ibm aix 7.2 […]
How to Configure DKIM, SPF and DMARC on RHEL 7 Email authentication standards — SPF, DKIM, and DMARC — are essential for any mail server that sends outbound email. Without them, your messages are likely to be rejected or placed in spam folders by major providers such as Gmail, Microsoft 365, and Yahoo. SPF (Sender […]
Managing users and groups is one of the most fundamental tasks for any Linux system administrator. On Red Hat Enterprise Linux 8, the useradd, groupadd, and passwd commands provide powerful options for creating and controlling accounts. Understanding how to set password policies, manage group memberships, and configure account aging will help you maintain a secure, […]
🟠 High ⏱ 5–30 min Last verified: 7 February 2021 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 […]
Introduction This tutorial demonstrates how to Deploy a Laravel Application on Oracle Linux 8 on Oracle Linux 8. 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 Oracle Linux 8 system with 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 restore from mksysb backup on ibm aix 7.2 on […]
