UniFi SSH Commands: The Ultimate Guide

Published onNovember 20, 2023

Navigating through the world of networking and managing UniFi devices can sometimes seem like a daunting task. However, with the right set of commands and a bit of know-how, it becomes manageable (and even enjoyable).

SSH (Secure Shell) is a key tool for any network administrator working with UniFi devices. Let's check out some crucial SSH commands and their applications to simplify your UniFi management tasks.

Table of Contents

Understanding SSH and Its Importance

SSH is a protocol used to securely access network devices over an unsecured network. It provides a secure channel over an unsecured network, ensuring that your communications with the device are encrypted and protected from eavesdropping. This is especially important when managing devices remotely or in environments where security is a concern.

Key UniFi SSH Commands

  1. ssh-keygen

    • Usage: ssh-keygen -t rsa
    • Purpose: Generates a new SSH key pair, crucial for secure communication with UniFi devices.
  2. cat

    • Usage: cat .ssh/id_rsa.pub
    • Purpose: Displays the contents of your public SSH key file, which is essential for adding the key to UniFi Network for device authentication.
  3. scp

    • Usage: scp /path/to/file firmwarefile.bin <user>@<IP of device>:/path/on/device
    • Purpose: Securely copies files (like firmware) to a UniFi device, useful for manual updates or configurations.
  4. set-inform

    • Usage: set-inform http://ip-of-host:8080/inform
    • Purpose: Directs a UniFi device to a specific UniFi Controller, crucial for device adoption in different network setups.
  5. upgrade

    • Usage: upgrade https://link-to-firmware
    • Purpose: Manually updates the firmware of a UniFi device, used in scenarios where automatic updates are not feasible.
  6. syswrapper.sh upgrade2

    • Usage: syswrapper.sh upgrade2 &
    • Purpose: An alternative command for updating UniFi devices, often used for specific models or under certain conditions.

Final Thoughts

Making changes via SSH can affect network performance and, if done incorrectly, can lead to significant issues. It's recommended only for those who are comfortable with command-line interfaces and understand the implications of their actions on the network.

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