Store Model API Keys as Secrets on a Linux VPS
Keep OpenAI and Anthropic keys in a root-owned systemd EnvironmentFile on Ubuntu so a Lucknow VPS never leaks model credentials through git or logs.
AI Infrastructure8 min read
NetBay journal
Guides for operators
Practical guides for Linux, containers, CI/CD, self-hosting, and running VPS infrastructure from Netbay Engineering.
599 articles · 24 topics
AllLinuxLinux AdministrationWindowsLinux SecurityLinux NetworkingContainersContainers & OrchestrationKubernetesCI/CDGitHubSelf-HostingBackups & DataDatabasesApp DeploymentDNS & TLSObservabilityEmailAI AgentsAI InfrastructureAPI & AutomationProxiesCloud ArchitectureHardware & PerformanceDevOps Practices
Multi-Tenant Isolation With Separate VPS Nodes
Put each tenant on a separate VPS node so disk, network, and process blast radius stay bounded when a noisy neighbor fails or is compromised.
Cloud Architecture8 min read
Events that Trigger Workflows: Push, PR, Schedule, Manual
Master every GitHub Actions trigger — push, pull_request, schedule and workflow_dispatch — and pick the right event, branch and path filters for your pipeline.
GitHub7 min read
ip command vs ifconfig: Modern Network Management
Replace deprecated ifconfig with the ip command to manage interfaces, addresses, routes, and tunnels on modern Linux distributions.
Linux Networking7 min read
Install Node.js 22 on Ubuntu Server Without a Desktop
Put Node.js 22 on a headless Ubuntu 24.04 VPS with the NodeSource repo, skip snaps and desktops, and verify a production-ready runtime in minutes.
App Deployment7 min read
Kubernetes Observability Essentials: Logs, Metrics, and Simple Dashboards
Track what your cluster is doing with kubectl logs, metrics-server, and lightweight dashboards on k3s — no heavy observability stack needed.
Kubernetes7 min read
An OAuth 2.0 Flow Survey for API Clients
Compare the authorization code and client credentials OAuth 2.0 grants to choose the right delegation flow for your API clients and integrations.
API & Automation7 min read
Windows Server vs Linux VPS: When Windows Wins
Choose a Windows VPS when IIS, Active Directory, .NET Framework, or RDP admin is the job. This guide maps the real workload split versus Linux.
Windows8 min read
Install MariaDB on Ubuntu the Production Way
Pin a MariaDB series on Ubuntu, bind it locally, create an app user, and finish a first-boot checklist before any application is allowed to connect.
Databases9 min read
Install Redis from Distro Packages, Bind Localhost
Install Redis from Ubuntu or Debian packages, bind the daemon to localhost, and confirm nothing on the public interface can reach port 6379.
Databases8 min read
What to Measure on a VPS Before You Install Grafana
Capture CPU, memory, disk, and network baselines from the Linux CLI so you know what is normal on your VPS before Grafana is even installed.
Observability8 min read
Python 3 venv and pip on Ubuntu VPS the Boring Way
Install Python 3, create an isolated venv, and pin pip packages on Ubuntu so your VPS app stays reproducible without polluting the system interpreter.
App Deployment7 min read