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Setup a loopback address in Ubuntu 18.04 Desktop


12.04 wired network doesn't work RTL8111/8168BSetting proxy variables automatically for different Network ProfilesNo NetworkManager applet and serviceNetwork indicator missing in ubuntu 14.04 64 bitNo ethernet on Ubuntu 14.04 LTSEthernet Network() device not managed ubuntu 16.04How to setup netplan with additional loopback addresses but mainly use NetworkManager?Ubuntu 18.04 netplan static routesUnable to ping 18.04 desktop unless this machine first pings the client, when using networkd instead of network-managerUbuntu 18.04 problems with DNS not working for local network devices






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1















I have a development setup with docker where I need to have a loopback address set up on my laptop. Currently, I am able to do that by running the following:



sudo ip addr add 10.254.254.254/24 brd + dev wlp2s0 label wlp2s0:1


The issue is that when I come back to my system after leaving it for a while, I need to rerun this command in order to get my dev environment working again. I'd like to make this persistent in order to not have to run this command all the time. I am running Ubuntu 18.04 Minimal Install.



I have tried adding the following line to /etc/network/interfaces without any success:



up sudo ip addr add 10.254.254.254/24 brd + dev wlp2s0 label wlp2s0:1


My /etc/netplan/01-network-manager-all.yaml contains the following:



# Let NetworkManager manage all devices on this system 
network:
version: 2
renderer: NetworkManager


Therefore I assume that it is network manager (i.e. /etc/network/interfaces) that I need to configure but can't seem to figure out what I need to put in there.










share|improve this question




























    1















    I have a development setup with docker where I need to have a loopback address set up on my laptop. Currently, I am able to do that by running the following:



    sudo ip addr add 10.254.254.254/24 brd + dev wlp2s0 label wlp2s0:1


    The issue is that when I come back to my system after leaving it for a while, I need to rerun this command in order to get my dev environment working again. I'd like to make this persistent in order to not have to run this command all the time. I am running Ubuntu 18.04 Minimal Install.



    I have tried adding the following line to /etc/network/interfaces without any success:



    up sudo ip addr add 10.254.254.254/24 brd + dev wlp2s0 label wlp2s0:1


    My /etc/netplan/01-network-manager-all.yaml contains the following:



    # Let NetworkManager manage all devices on this system 
    network:
    version: 2
    renderer: NetworkManager


    Therefore I assume that it is network manager (i.e. /etc/network/interfaces) that I need to configure but can't seem to figure out what I need to put in there.










    share|improve this question
























      1












      1








      1








      I have a development setup with docker where I need to have a loopback address set up on my laptop. Currently, I am able to do that by running the following:



      sudo ip addr add 10.254.254.254/24 brd + dev wlp2s0 label wlp2s0:1


      The issue is that when I come back to my system after leaving it for a while, I need to rerun this command in order to get my dev environment working again. I'd like to make this persistent in order to not have to run this command all the time. I am running Ubuntu 18.04 Minimal Install.



      I have tried adding the following line to /etc/network/interfaces without any success:



      up sudo ip addr add 10.254.254.254/24 brd + dev wlp2s0 label wlp2s0:1


      My /etc/netplan/01-network-manager-all.yaml contains the following:



      # Let NetworkManager manage all devices on this system 
      network:
      version: 2
      renderer: NetworkManager


      Therefore I assume that it is network manager (i.e. /etc/network/interfaces) that I need to configure but can't seem to figure out what I need to put in there.










      share|improve this question














      I have a development setup with docker where I need to have a loopback address set up on my laptop. Currently, I am able to do that by running the following:



      sudo ip addr add 10.254.254.254/24 brd + dev wlp2s0 label wlp2s0:1


      The issue is that when I come back to my system after leaving it for a while, I need to rerun this command in order to get my dev environment working again. I'd like to make this persistent in order to not have to run this command all the time. I am running Ubuntu 18.04 Minimal Install.



      I have tried adding the following line to /etc/network/interfaces without any success:



      up sudo ip addr add 10.254.254.254/24 brd + dev wlp2s0 label wlp2s0:1


      My /etc/netplan/01-network-manager-all.yaml contains the following:



      # Let NetworkManager manage all devices on this system 
      network:
      version: 2
      renderer: NetworkManager


      Therefore I assume that it is network manager (i.e. /etc/network/interfaces) that I need to configure but can't seem to figure out what I need to put in there.







      network-manager






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Apr 15 at 3:19









      helios456helios456

      1062 bronze badges




      1062 bronze badges




















          1 Answer
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          I have settled on the following solution, should it help someone out there in the future.



          I have edited my /etc/netplan/01-network-manager-all.yaml to the following in order to get a loopback address.



          network:
          version: 2
          renderer: NetworkManager
          ethernets:
          lo:
          renderer: networkd
          match:
          name: lo
          addresses:
          - 10.254.254.254/24


          It essentially keeps the NetworkManager as the renderer for all other interfaces but loopback, and sets the address that I wanted as a loopback address. The address is no longer on my wireless interface, but I think this is actually preferable.






          share|improve this answer

























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            I have settled on the following solution, should it help someone out there in the future.



            I have edited my /etc/netplan/01-network-manager-all.yaml to the following in order to get a loopback address.



            network:
            version: 2
            renderer: NetworkManager
            ethernets:
            lo:
            renderer: networkd
            match:
            name: lo
            addresses:
            - 10.254.254.254/24


            It essentially keeps the NetworkManager as the renderer for all other interfaces but loopback, and sets the address that I wanted as a loopback address. The address is no longer on my wireless interface, but I think this is actually preferable.






            share|improve this answer



























              0














              I have settled on the following solution, should it help someone out there in the future.



              I have edited my /etc/netplan/01-network-manager-all.yaml to the following in order to get a loopback address.



              network:
              version: 2
              renderer: NetworkManager
              ethernets:
              lo:
              renderer: networkd
              match:
              name: lo
              addresses:
              - 10.254.254.254/24


              It essentially keeps the NetworkManager as the renderer for all other interfaces but loopback, and sets the address that I wanted as a loopback address. The address is no longer on my wireless interface, but I think this is actually preferable.






              share|improve this answer

























                0












                0








                0







                I have settled on the following solution, should it help someone out there in the future.



                I have edited my /etc/netplan/01-network-manager-all.yaml to the following in order to get a loopback address.



                network:
                version: 2
                renderer: NetworkManager
                ethernets:
                lo:
                renderer: networkd
                match:
                name: lo
                addresses:
                - 10.254.254.254/24


                It essentially keeps the NetworkManager as the renderer for all other interfaces but loopback, and sets the address that I wanted as a loopback address. The address is no longer on my wireless interface, but I think this is actually preferable.






                share|improve this answer













                I have settled on the following solution, should it help someone out there in the future.



                I have edited my /etc/netplan/01-network-manager-all.yaml to the following in order to get a loopback address.



                network:
                version: 2
                renderer: NetworkManager
                ethernets:
                lo:
                renderer: networkd
                match:
                name: lo
                addresses:
                - 10.254.254.254/24


                It essentially keeps the NetworkManager as the renderer for all other interfaces but loopback, and sets the address that I wanted as a loopback address. The address is no longer on my wireless interface, but I think this is actually preferable.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Apr 16 at 2:59









                helios456helios456

                1062 bronze badges




                1062 bronze badges



























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