Making Gatsby a PWA: Service Worker and Web App Manifest
Let’s add offline support to your Gatsby site with the help of two plugins: gatsby-plugin-manifest and gatsby-plugin-offline.
Alpine Linux edge — gnuchess — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 6.2.9-r0 📖 ~4 min read • Source: Alpine secdb entry — gnuchess 6.2.9-r0 Related CVEs: CVE-2021-30184 Upstream summary: Alpine community repository for vedge ships gnuchess 6.2.9-r0 which addresses CVE-2021-30184. Table of contents Symptom & Impact Environment […]
How to Build Fast API Application using Docker Compose
This tutorial shows steps to create and build a FastAPI application using Docker Compose.
How to Install Docker Compose on Debian 9 (DEBIAN-9-2)
Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install docker compose on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and the […]
Oracle Linux 8 — squid:4 — security and stability fixes — required update (ELSA-2019-3476)
🟡 Medium ⏱ 10–30 min Last verified: 14 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-3476 Related CVEs: CVE-2019-13345 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
AlmaLinux 8 — pygobject3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2020:4451 Related CVEs: CVE-2019-8625 CVE-2019-8710 CVE-2019-8720 CVE-2019-8743 CVE-2019-8764 CVE-2019-8766 CVE-2019-8769 CVE-2019-8771 +12 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]
Windows Server 2012 R2 Storage Spaces Virtual Disk Degraded After Power Event – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 14 June 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 […]
FreeBSD 12 — py39-ansible — multiple vulnerabilities (6 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 14 June 2021 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: py-ansible — multiple vulnerabilities Related CVEs: CVE-2020-10744 CVE-2020-25635 CVE-2020-25636 CVE-2021-3532 CVE-2021-3583 CVE-2021-3620 Upstream summary: abeluck reports: A flaw was found in Ansible Base when using the aws_ssm connection plugin as […]
FreeBSD 13 — llpp — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 14 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: mupdf — multiple vulnerabilities Related CVEs: CVE-2016-6265 CVE-2016-6525 Upstream summary: Tobias Kortkamp reports: Heap-based buffer overflow in the pdf_load_mesh_params function in pdf/pdf-shade.c in MuPDF allows remote attackers to cause a […]
How to Upgrade FreeBSD 12 to FreeBSD 12
Introduction Deploying upgrade freebsd 12 to freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base […]
