Blog - Security

Offline PWA on a Linux Laptop: Domain, Certificate, and Monitoring Checklist

A PWA that works offline from a hosted domain can fail on a Linux laptop hotspot when mobile devices only reach it by IP address and see a certificate warning. Service workers need a trustworthy secure origin, so the fix is not only mkcert; it is name resolution, certificate trust, and repeatable network validation. This checklist walks through the practical options for local DNS, mobile trust stores, HTTPS, and linux server monitoring before you take the app into the field.

Argo CD Repo-Server Exposure Checklist for Small Teams

A repo-server vulnerability in a GitOps platform is not just another patch notice; it is a reminder to verify which internal services can talk to each other. Small teams running Kubernetes need a short checklist for exposure, NetworkPolicies, Redis access, patch status, and follow-up monitoring. This guide turns that concern into practical checks you can run without building a full security operations program.

Persistent Linux Remote Desktop Sessions: A Small Business Checklist

Moving from Windows RDP to Linux desktop support is not just a tooling choice. Small teams need persistent GUI sessions, a locked local display, secure access controls, and enough monitoring to know the workstation or jump host remains healthy. This checklist explains the practical options and the operational checks to put in place before relying on remote Linux desktop sessions for daily work.

Cloud and Bot IP Allow Lists: How to Keep Server Access Rules Healthy

Auto-updated cloud and bot IP allow lists can save time, but they should not become blind production changes. This checklist explains how to keep Linux server access rules healthy with source review, staged rollout, validation, rollback, and weekly monitoring. Use it to reduce lockout risk while keeping trusted providers and uptime checks working.

Terraform Oracle Cloud Infrastructure: Practical Setup Guide

Terraform simplifies how you build and manage Oracle Cloud Infrastructure by turning manual setup into repeatable code. This article walks through a practical approach to deploying OCI resources using Terraform, including VCNs and compute instances. It also highlights common mistakes and when to use OCI Resource Manager. If you're looking to standardize and scale your OCI setup, this guide gives you a clear starting point.

How to Secure Your OCI Always Free Tier Network: A Practical Guide