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Self-Hosted Apps Can’t Send Emails? SMTP Connection & Authentication Troubleshooting Guide

Published June 2, 2026 by Alvin Chu · 10 min read

Your Self-Hosted App Can’t Send Emails You set up Vaultwarden for your team, configured Nextcloud for file sharing, or deployed Twenty CRM for your sales …

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Laptop, server, and status indicators representing Docker app startup troubleshooting

Your Self-Hosted App Won’t Start: A Systematic Guide to Diagnosing Docker Deployment Problems

Published June 2, 2026 by Solo C. · 8 min read

Diagnose why your Docker container won’t start with this systematic troubleshooting guide. Covers port conflicts, volume permissions, database race conditions, memory limits, and more — with exact commands for each fix.

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Desk with charts and laptop representing open-source SaaS alternatives

9 Open-Source Alternatives to Expensive SaaS for Canadian Businesses (2026)

Published May 27, 2026 by Solo C. · 8 min read

The Problem: Your SaaS Stack Is Bleeding Revenue We manage servers for hundreds of Canadian businesses, and we see the same pattern every time: a …

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Dashboard gauges representing VPS resource sizing

VPS Sizing Guide for Common Workloads: What Server Specs Your Project Actually Needs

Published May 27, 2026 by Theodore Chu · 8 min read

The Problem: Picking a VPS Plan Is Overwhelming You have a project in mind — a WordPress site for your business, a Docker host for …

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Network storage and laptop showing file synchronization for self-hosted file sync

Nextcloud vs ownCloud: Choosing Your Self-Hosted File Sync Platform (2026)

Published May 27, 2026 by Kevin · 6 min read

You Need File Sync for Your Team — But Which Platform Actually Works for You? Every team eventually hits the same wall: shared drives are …

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Vertical split composition: left side a medieval castle gate with warm torchlight, right side a modern glass security turnstile with biometric scanner and blue LEDs

Authelia vs Authentik: Choosing Your Self-Hosted SSO Provider

Published May 11, 2026 by Alvin Chu · 5 min read

The Problem: Too Many Apps, Too Many Logins If you manage more than two or three self-hosted applications — a wiki, a project management board, …

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Split composition showing two different technical approaches side by side

Langflow CVSS 9.8 RCE Exploited in 20 Hours — Patch Before CISA’s April 8 Deadline

Published April 7, 2026 by Solo C. · 5 min read

On March 17, 2026, a critical remote code execution vulnerability was disclosed in Langflow, the popular open-source visual AI workflow builder with over 145,000 GitHub …

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Split composition showing two different technical approaches side by side

Tandoor Recipes Auth Bypass: How CVE-2026-33152 Lets Attackers Crack Passwords at Full Speed

Published April 6, 2026 by Alvin Chu · 5 min read

If you self-host Tandoor Recipes — the popular Django-based recipe manager with meal planning, shopping lists, and cookbook collections — you need to upgrade right …

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Laptop showing container dashboard with notebook and accessories on a wooden desk in overhead flat lay

Docker Hardened Images Are Now Free: How to Secure Your Self-Hosted Containers in One Afternoon

Published April 5, 2026 by Solo C. · 5 min read

Docker open-sourced 1,000+ hardened container images under Apache 2.0. Rootless by default, up to 95% fewer CVEs, and drop-in replacements for your existing stack. Here is how to migrate your self-hosted containers.

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A chain of interconnected automation nodes with six links snapped and glowing red against a dark cyberspace background with security indicators

n8n Under Siege: 6 Critical CVEs in Q1 2026 and How to Lock Down Your Instance

Published April 3, 2026 by Solo C. · 6 min read

Six CVEs in Three Months: n8n’s Worst Security Quarter Ever If you self-host n8n for workflow automation, stop what you’re doing and check your version …

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