Animation Callbacks in Angular
Learn how you can hook into the start or end of animations in Angular and call your own methods.
How to Deploy a Django Application with Gunicorn and Nginx on RHEL 8
Django is one of the most popular Python web frameworks, and deploying it in production requires more than the built-in development server. The recommended production stack on RHEL 8 pairs Django with Gunicorn as the WSGI application server and Nginx as a reverse proxy that handles static files, TLS termination, and connection management. This tutorial […]
RHEL 7 systemctl Cannot Reload Daemon After Unit Edit
🟡 Medium ⏱ 5–30 min Last verified: 1 September 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 […]
How to Configure DNSSEC on Windows Server 2016
How to Configure Windows Server 2016 DNS Security Extensions DNS Security Extensions (DNSSEC) is a suite of Internet Engineering Task Force (IETF) specifications for securing DNS data. DNSSEC protects against DNS cache poisoning and man-in-the-middle attacks by digitally signing DNS records, allowing resolvers to verify that the responses they receive are authentic and have not […]
RHEL 8 Chrony Unsynchronized After Virtual Machine Resume
🟡 Medium ⏱ 5–30 min Last verified: 1 September 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 […]
Beyond Ransomware: Why Corporate Boardrooms are Pivoting to Face Cyber-Enabled Invoice and Payment Fraud
A board-level guide to cyber-enabled invoice and payment fraud, including business email compromise, supplier impersonation, approval controls, and payment monitoring.
FreeBSD 12 — linux-c6-devtools — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 1 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: glibc — gethostbyname buffer overflow Related CVEs: CVE-2015-0235 Upstream summary: Robert Krátký reports: GHOST is a 'buffer overflow' bug affecting the gethostbyname() and gethostbyname2() function calls in the glibc library. […]
openSUSE Tumbleweed — libass5 — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2016:3107-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-7969 CVE-2016-7970 CVE-2016-7972 Upstream summary: The wrap_lines_smart function in ass_render.c in libass before 0.13.4 allows remote attackers to cause a denial of service (out-of-bounds read) […]
How to Use IBM Security QRadar with AIX 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 ibm security qradar with aix on ibm aix […]
How to Build Custom Windows Server 2016 Images with Packer
Introduction HashiCorp Packer is an open-source tool that automates the creation of identical machine images for multiple platforms from a single configuration file. Building custom Windows Server 2016 images with Packer ensures that every virtual machine deployed in your environment starts from a hardened, pre-configured baseline — with all Windows updates, security settings, required software, […]