Tag: Network
5 posts
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Linux and macOS Terminal Commands for Developers: GNU vs BSD Differences and Troubleshooting
A practical Linux and macOS terminal reference for developers, with the why behind each command, GNU vs BSD gotchas, and real troubleshooting workflows.
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FTP in Practice: Active vs Passive Mode, FTPS vs SFTP and Firewall Problems
FTP control and data channels, Active vs Passive, FTPS and SFTP compared, firewall and NAT issues—beginner operations guide to file transfer.
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HTTP in Practice: Methods, Status Codes, Caching, HTTPS and What HTTP/2 and HTTP/3 Change
HTTP requests and responses, methods and status codes, HTTP/2 multiplexing and HTTP/3 over QUIC, HTTPS, caching, and REST API design—2026 practical guide.
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TCP for Application Developers: Handshake, Sliding Window, CUBIC, Nagle and Keepalive Tuning
TCP connections, sliding windows, Reno/CUBIC congestion control, Nagle, TCP_NODELAY, keepalive—reliable transport and production socket tuning.
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UDP in Practice: Datagrams, MTU, App-Level Reliability, DNS, Games and QUIC
Connectionless UDP: headers, checksums, ports, app-level reliability and ordering, and how HTTP/3 QUIC builds on UDP—realtime-focused guide.