tcpdump and Packet Capture: Reading Traffic
Capture and analyze network traffic with tcpdump to debug slow connections, DNS issues, and firewall problems like a detective.
Linux Networking8 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
Docker Log Drivers, Rotation, and Management
Configure Docker log drivers and rotation so containers never fill your disk, and learn which driver keeps docker logs working and which takes them away.
Containers7 min read
DNS for Self-Hosters: Subdomains, Records, and Split DNS
Plan subdomains, A/AAAA records, and split DNS for your whole self-hosted stack so both home and external users reach every service cleanly.
Self-Hosting7 min read
PHP-FPM Pools and Process Counts on 2 GB RAM
Size PHP-FPM pm.max_children on a 2 GB VPS so workers fit beside nginx and MySQL, then split pools if two apps should not share one process budget.
App Deployment8 min read
Put nginx TLS in Front of a Local Model API
Terminate TLS with nginx, keep llama-server on loopback, and proxy OpenAI-shaped routes without exposing a CPU model port to the public internet.
AI Infrastructure8 min read
nginx as an API Gateway, Not a Cloud Product
Use nginx on an edge VPS as your API gateway: TLS, routing, auth headers, body limits, and rate caps without buying a managed API gateway SKU.
Cloud Architecture8 min read
Restart Policies in systemd: Building Self-Healing Services
Pick the right Restart= policy, tune RestartSec and start-rate limits, and build services that recover from crashes without paging a human at 3 a.m.
Linux Administration6 min read
Automating SQLite Backups Safely Under Load
Back up live SQLite databases without corrupting them: use sqlite3 .backup and the online backup API, then automate and verify the copies on a VPS.
Backups & Data7 min read
Stale PR and Issue Cleanup with Scheduled Automation
Dead issues and abandoned PRs quietly rot a repository. Use scheduled stale automation to mark, then close, so your queue stays honest and focused.
GitHub6 min read
WebSockets and Streaming Through Reverse Proxies
Upgrade WebSockets and server-sent events cleanly through Nginx and HAProxy, and size buffers so long-lived streaming connections stay stable.
Proxies6 min read
SQLite .backup and VACUUM INTO While the App Runs
Take a consistent SQLite snapshot from a live app with VACUUM INTO or .backup, then restore beside the original without stopping writes in production.
Databases8 min read
Caching Prompts and Embeddings on a Linux VPS
Hash the model name plus UTF-8 bytes into a local SQLite cache so repeat search queries skip the encoder and the generator on a Lucknow VPS.
AI Infrastructure8 min read