Run hostname.
hostname
Mission 79
Host network view
Inspect simulated hostname, addresses, and listening sockets.
Server operationshostnameipss
Lesson 79 of 360
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Server operations · 7 minutes
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learner@clairos:/home/learner $
Unix ops lab: type a command, press Enter
Instructions
7 minutes
Click any instruction for the command details, the why, and the common mistake to avoid.
Run ip addr.
ip addr
Run ss -tulpn.
ss -tulpn
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Lesson support
What to notice while you play.
Understand basic host network facts.
Use hostname, ip addr, and ss -tulpn.
Server operators need to know what is listening before changing firewall rules.
- Opening firewall ports before checking listeners.
- Assuming the hostname tells the whole story.
Reference
Commands in this lesson.
ss|ip
Inspect simulated sockets and addresses.
ssh|scp|ssh-keygen
Practice SSH inspection and dry-run transfer shapes without network access.