How to change IP address and netmask in SynetoOS 5

Written By Christian Castagna (Administrator)

Updated at March 27th, 2025

→ Applies to: SynetoOS 5.x

IMPORTANT
Step 3 is essential for the remaining steps to be successful. If this step is not correctly verified, the remaining steps should be aborted.

 

Step 1. Login to SynetoOS GUI

Step 2. Enter the Hosts section from the left menu of SynetoOS GUI

 

Step 3. Check if the host is connected to VMware ESXi via the internal IP 172.16.254.1 ("How to verify ESXi hypervisor local IP address in SynetoOS 5")

IMPORTANT
Make sure that the system is connected to this IP address during the change.

If the system is not connected to this IP, the procedure will not complete successfully.

 

Step 4. Shut down all VMs on the system

Step 5. Connect to SynetoOS appliance via SSH as admin

ssh admin@<your_ip_address_or_hostname>

 

Step 6. Become Super User

sudo su

 

Step 7. Type this command

nmtui

 

Step 8. Click on Edit a connection

 

Step 9. Click on Management Network

 

Step 10. Set the new network parameters and click OK

IMPORTANT
The “Address” field must be filled in the format “IP/netmask”.

Example: 10.10.0.1/24

 

Step 11. Exit NetworkManager TUI

Step 12. Reboot SynetoOS