A technical guide explaining the Terraform cidrsubnet() function for subnet calculation, with examples and use cases.
Explains the Terraform cidrnetmask() function, which converts an IP range in CIDR notation to a subnet mask in dot notation.
Explains the Terraform cidrhost() function for calculating specific IP addresses within a CIDR range, including examples and use cases.
Explains how the ping command works on Linux using IPv4, covering ICMP packets, system calls, and network diagnostics.
A technical guide on setting up and using Cloudflare's DNS over HTTPS service, including command-line examples and local server configuration.
A guide to networking on Apple platforms (iOS, macOS, etc.) covering Bonjour, TCP/UDP sockets, and CoreBluetooth for multi-device communication.
A developer's technical exploration of the Netty framework for building high-performance network applications in Java, prompted by HTTP client frustrations.
Troubleshooting a Kafka AdminClient connection error due to hostname/IP mismatch in a single-node setup.
A developer details setting up a home lab with Unifi networking gear, Docker containers, Intel NUCs, and Yubikey SSH authentication.
Explains how to add custom hostname entries to Docker containers using both docker run and Docker Compose.
A curated list of the top 20 open-source Swift libraries for iOS development, covering networking, server-side, reactive programming, and more.
Guide to configuring FreeNAS jails to use a dedicated network interface with its own subnet and VLAN.
Overview of the upcoming MQTT v5 specification, detailing new features like properties and request/response patterns for IoT development.
A comparison of Azure Load Balancer and Application Gateway, explaining their differences in OSI layers, features, and use cases for high availability.
An analysis of a critical Azure networking limitation that disrupts long-lived TCP connections after 4 minutes of silence, causing packet blackholing.
A beginner-friendly introduction to computer networking concepts, focusing on the OSI model and essential hardware.
A Python developer shares insights from the HTTP Workshop in Stockholm, discussing HTTP/2, web standards, and Python's role in the ecosystem.
Fixing SSH connection errors in Proxmox 4 LXC containers by correcting the network CIDR suffix from /32 to /24.
A guide to recovering a bricked Ubiquiti EdgeRouter Lite using a Mac, serial connection, and TFTP to fix corrupt filesystem errors.
A nostalgic guide to installing a TCP/IP stack on Windows for Workgroups 3.11 to enable internet connectivity on the 1993-era OS.
