How To Create an AppArmor Profile for Nginx on Ubuntu 14.04
Use AppArmor to heighten security for your Ubuntu applications. This tutorial uses Nginx as an example.
Oracle Linux 8 — mysql:8.0 — vulnerability — patch and remediation guide (ELSA-2019-2511)
🟠 High ⏱ 15–60 min Last verified: 7 November 2019 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-2511 Related CVEs: CVE-2019-2420 CVE-2019-2495 CVE-2019-2532 CVE-2019-2581 CVE-2019-2810 CVE-2019-2815 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Styles Between Components in Angular 2+
With modularity & the shadow DOM, component styles don’t bleed into other components. Where needed though, there are ways to have style interaction.
Ubuntu 16.04 Nginx Returns 502 Bad Gateway with PHP-FPM
🟡 Medium ⏱ 5–30 min Last verified: 6 November 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 […]
RHEL 7 boots old kernel after yum update due to grub default mismatch
🟡 Medium ⏱ 5–30 min Last verified: 6 November 2019 Affected versions: RHEL 7 📖 ~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 & […]
openSUSE Tumbleweed — apache-commons-daemon — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2011:1062-1 (see also SUSE bugzilla) Related CVEs: CVE-2011-2729 Upstream summary: native/unix/native/jsvc-unix.c in jsvc in the Daemon component 1.0.3 through 1.0.6 in Apache Commons, as used in Apache Tomcat 5.5.32 through 5.5.33, 6.0.30 […]
How to Install HAProxy on SLES 15
Introduction This tutorial covers How to Install HAProxy on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper refresh && […]
Windows Server 2016 — SCCM Patch Deadline Missed Because WUA Service Is Disabled — Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 6 November 2019 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 […]
How to Use NIS+ 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 use nis+ on ibm aix 7.1 on IBM AIX […]
How to Set Up PostgreSQL via AIX Toolbox 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 postgresql via aix toolbox on ibm aix […]
