Deploying to the cloud provider With GitHub Actions
Get tips to simplify your workflow using GitHub Actions and DigitialOcean’s APIs, and watch a demo of running a CI/CD pipeline to deploy on the cloud provider.
How to Set Up IPv6 on Debian 10
Introduction Deploying set up ipv6 on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will need […]
Alpine Linux edge — faac — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.30-r0 📖 ~4 min read • Source: Alpine secdb entry — faac 1.30-r0 Related CVEs: CVE-2018-19886 Upstream summary: Alpine community repository for vedge ships faac 1.30-r0 which addresses CVE-2018-19886. Table of contents Symptom & Impact Environment […]
Architecting Innovation: Designing IT Systems That Adapt to Constant Disruption
A practical guide to architecting innovation by designing IT systems that adapt to market shocks, new technology, operational stress, and constant disruption.
MariaDB or MySQL Refuses to Start
🔴 Critical ⏱ 5–30 min Last verified: 19 May 2026 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 & […]
Debian 10 – systemd service remains in activating state after reboot
🟠 High ⏱ 5–30 min Last verified: 19 May 2026 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 & […]
sudo Access Broken by Incorrect sudoers Edit on Ubuntu 14.04
🟡 Medium ⏱ 5–30 min Last verified: 19 May 2026 📖 ~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 […]
CUPS Printer Not Detected on Ubuntu 26.04 LTS
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 Affected versions: 26.04 📖 ~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 […]
How to Harden Shared Memory on Debian 10
Introduction This guide explains how to Harden Shared Memory 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 standard […]
How to Configure I/O Tuning with ioo 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 configure i/o tuning with ioo on ibm aix 7.2 […]
