Build a Tech Brand During Covid in Emerging Tech Ecosystems
This talk features the award-winning Mrs. Christine Souffrant Ntim explaining how to build your personal brand during a pandemic, specifically in emerging tech ecosystems.
Android DialogFragment
In this tutorial, we'll be discussing what are DialogFragments. We'll see how they are different from the [Dialogs](/community/tutorials/android-alertdialog) too with the help of a simple android application. Android DialogFragments DialogFragment is a utility class which extends the Fragment class. It is a part of the v4 support library and is used to display an overlay […]
Debian 10 – Certbot Renewal Fails in Automation – Reliable ACME Recovery
🟠 High ⏱ 5–30 min Last verified: 8 August 2020 Affected versions: Debian 10 📖 ~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 & […]
Ubuntu 18.04 Nginx 502 Bad Gateway with PHP-FPM
🟡 Medium ⏱ 5–30 min Last verified: 8 August 2020 📖 ~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 […]
rsyslog Not Forwarding Logs to Central Collector
🟡 Medium ⏱ 5–30 min Last verified: 8 August 2020 📖 ~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 RAID with mdadm on Debian 10
Introduction This guide explains how to Configure RAID with mdadm on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install with the […]
Windows Server 2016 – Storage Replica initial sync never completes – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 8 August 2020 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 […]
Passos recomendados para proteger um cluster Kubernetes da the cloud provider
O autor selecionou a Open Sourcing Mental Illness para receber uma doação como parte do programa Write for DOnations. O Kubernetes, a plataforma de orquestração de contêineres de…
OpenBSD 7.4 — unbound — errata 013_unbound — multiple vulnerabilities (2 CVEs) — syspatch and remediation
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: OpenBSD 7.4 📖 ~4 min read • Source: OpenBSD 7.4 errata 013_unbound Errata topic: Security: unbound (All architectures) Issued: February 13, 2024 Related CVEs: CVE-2023-50387 CVE-2023-50868 Upstream summary: DNSSEC protocol vulnerabilities have been discovered that render various DNSSEC validators victims of Denial […]
Getting Started with Webpack + React
A short guide on using Webpack to bundle dependencies with code and deploy a React application.