How to Configure and Manage Network Connections Using ‘nmcli’ Tool

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Ioannis Koustoudis

Ioannis Koustoudis is a LFCS­ Linux sysadmin from Kavala, Greece. He works for the ministry of education and supports almost 200 school units in their infrastructure. If he is not in front of a computer screen, he plays music (he is a multi­-instrumentalist) or take care of his two lovely kids.

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6 Responses

  1. Amal says:

    Excellent article..!

  2. shailendra says:

    I have type all command correctly and connection added successfully is also showing. but m checking nmcli connection show device field is showing blank please suggest.

    Thank you.

  3. Mightyme says:

    My current interface eno16780032 has an IP
    I want to change to new IP address:
    is there a way to change the existing IP address immediately from one command line without creating an alias?

    • Ravi Saive says:


      Yes, you can change the existing IP with new IP using nmcli tool on the fly as shown.

      # nmcli con mod net-eth0 ipv4.addresses ""
      # nmcli con mod net-eth0 ipv4.method manual
      # nmcli con up net-eth0
  4. Shahebaaz Shaikh says:

    Excellent article!
    Thanks for so much clearification.

  5. jace brodsky says:

    typed in ; #sudo nmcli con show
    error came back ; Error: ‘con’ command ‘show’ is not valid.

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