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What's the default credentials of Ubuntu 18.04 OVA (https://cloud-images.ubuntu.com/releases/18.04/release/ubuntu-18.04-server-cloudimg-amd64.ova)

5 Answers 5

Reset to default
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you can create a new user or change passwd in grub Recovery Mode.

  1. holding shift key for grub menu when booting virtualbox vm

  2. select Advanced -> recovery mode, then select root and press enter

  3. passwd or add user:

    adduser <username>
usermod -aG sudo <username>
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  • the is the real answer.
    – Fel
    Commented Sep 28, 2022 at 23:20
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The default user is ubuntu. Password for this user must be specified while deploying process. For example for VMware player deployment process: Setting password for a default user

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    Tried this and does not work, did it work for you?
    – Sudhaker
    Commented Dec 18, 2019 at 6:49
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    Sure, as I said created VM with VMWare and provide a password on VM creation step. After this login in shell with user ubuntu and password.
    – valentinmk
    Commented Jan 20, 2020 at 14:24
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Default password as ubuntu worked for me.

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Ubuntu cloud images require cloud-init functionality to create loginable users (and whatever else needs to be done on boot). it sounds like vmware abstracts cloud-init away, and wraps it in vmware a "set user password" gui function, for ease of end-user. i have not tried specifing cloud-init, other than ec2, but sounds like cloud-init user solution would resolve this issue, for any virtualization that supports cloud-init (vmware, openstack, etc)

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If you came here after a very long search trying to get Ubuntu cloud image working on Virt-manager, because you cant login see here. It includes how to specify the password which is generated by cloud-init: What are the different versions available as Ubuntu cloud-images?

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