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Linux DNS Explained: How Name Resolution Works on a Server
024
A Linux server can reach an IP address and still fail when an application uses a hostname such as example.com. Before the connection can begin, something
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Linux ports and sockets illustrated as multiple client connections routed through server network ports to different servicesNetworking & Security
Linux Ports and Sockets Explained: Listening Ports, Connections, and the ss Command
049
An IP address can get a packet to the right server, but a server may be running SSH, a web server, a database, DNS, and many other networked programs at the same time.
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Networking & Security
TCP vs UDP Explained: Key Differences and Use Cases
081
Networking foundation TCP and UDP both carry application data across IP networks, but they make a different promise. TCP protects an ordered conversation.
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Networking & Security
Linux DNS Explained: How Name Resolution Works on a Server
076
A Linux server can communicate perfectly at the IP layer and still fail when you type a hostname. The missing piece is name resolution: the process that
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