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Cloud-config let you send additional configuration to the cloud-init process running within your virtual machine. This can be a useful tool to ensure updates are installed as the VM is created, that custom users are created and lots of other possibilities. We recommend to check out the Cloud-Config documentation even though we have some examples on this page
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This is only tested and verified on Ubuntu Server 20.04 and 22.04 |
If you want to run package upgrades as a part of the first boot, uncomment at the commented lines
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#cloud-config
#package_upgrade: true
timezone: "Europe/Oslo"
ssh_pwauth: true
packages:
- libnss-ldapd
- nscd
write_files:
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owner: root:root
path: /etc/nscd.conf
mode: '0600'
- encoding: b64
content: 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
owner: root:root
path: /etc/nslcd.conf
mode: '0400'
- encoding: b64
content: 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
owner: root:root
path: /etc/nsswitch.conf
mode: '0400'
- path: /etc/nslcd.conf
content: |
filter passwd (ntnuMemberOf=GROUPNAME)
# Dummy comment to prevent errors
append: true
- path: /etc/sudoers.d/10_administrators
content: |
USERNAME ALL=(ALL) NOPASSWD:ALL
%GROUPNAME ALL=(ALL) NOPASSWD:ALL
owner: root:root
mode: '0440'
- path: /etc/ssh/sshd_config
content: |
AllowUsers ubuntu USER1 USER2
Match group GROUPNAME
AllowUsers *
append: true
runcmd:
- pam-auth-update --enable mkhomedir
- pam-auth-update --force
- systemctl restart sshd
#power_state:
# delay: "now"
# mode: reboot
# message: Finished - rebooting
# timeout: 30
# condition: True |
...