CPU Performance: Cores, vCPUs and When More Does Not Help
Understand how cores and vCPUs map to real throughput, and learn to recognize exactly when adding more vCPUs will not make your workload faster.
Hardware & Performance7 min read
NetBay journal
Guides for operators
Practical guides for Linux, containers, CI/CD, self-hosting, and running VPS infrastructure from Netbay Engineering.
499 articles · 24 topics
AllLinuxLinux AdministrationWindowsLinux SecurityLinux NetworkingContainersContainers & OrchestrationKubernetesCI/CDGitHubSelf-HostingBackups & DataDatabasesApp DeploymentDNS & TLSObservabilityEmailAI AgentsAI InfrastructureAPI & AutomationProxiesCloud ArchitectureHardware & PerformanceDevOps Practices
Storage Tiers on a VPS: OS, Data, and Backup Placement
A practical split of OS, application data, and backups across SSD mounts, so one full disk can never take the whole virtual machine down.
Hardware & Performance6 min read
Reverse Proxy Fundamentals: Why Every Server Needs One
Learn what a reverse proxy does, when to put one in front of your apps, how it terminates TLS, and the security and performance wins it delivers for your VPS.
Proxies7 min read
HTTP vs HTTPS Through a Proxy: Where TLS Ends
A practical look at where TLS terminates in forward and reverse proxy setups, and how that choice changes what a proxy can inspect, log, and cache.
Proxies6 min read
Install PostgreSQL 16 on Ubuntu and Bind It Right
Install PostgreSQL 16 on Ubuntu from PGDG, bind listen_addresses to a private IP, and prove that port 5432 is closed to the public internet.
Databases8 min read
When SQLite Is the Right Database on a VPS
Pick SQLite on a VPS when one host owns the data, writes stay serializable, and you want a file you can copy instead of a cluster you must nurse.
Databases8 min read
DNS Records That Matter: A, AAAA, CNAME, MX, TXT
Map A, AAAA, CNAME, MX, and TXT records to real traffic so your domain reaches the VPS, mail still works, and ACME can prove you own the name.
DNS & TLS8 min read
SSH Config Host Aliases, IdentitiesOnly, Jumps
Stop repeating long ssh flags. Build a ~/.ssh/config with Host aliases, IdentitiesOnly, and jump hosts so private VPS nodes stay one command away.
Linux Administration8 min read
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
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