/etc/cloud/cloud.cfg

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/etc/cloud/cloud.cfg configuration file included in cloud-init package


/etc/cloud/cloud.cfg
preserve_hostname=true
Related terms: hostnamectl set-hostname


Configuration file '/etc/cloud/cloud.cfg'
==> Modified (by you or by a script) since installation.
==> Package distributor has shipped an updated version.
  What would you like to do about it ?  Your options are:
   Y or I  : install the package maintainer's version
   N or O  : keep your currently-installed version
     D     : show the differences between the versions
     Z     : start a shell to examine the situation
The default action is to keep your current version.
*** cloud.cfg (Y/I/N/O/D/Z) [default=N] ?


Example

users:
   - default
disable_root: true
preserve_hostname: true
cloud_init_modules:
 - migrator
 - seed_random
 - bootcmd
 - write-files
 - growpart
 - resizefs
 - disk_setup
 - mounts
 - set_hostname
 - update_hostname
 - update_etc_hosts
 - ca-certs
 - rsyslog
 - users-groups
 - ssh
cloud_config_modules:
 - emit_upstart
 - snap
 - ssh-import-id
 - locale
 - set-passwords
 - grub-dpkg
 - apt-pipelining
 - apt-configure
 - ubuntu-advantage
 - ntp
 - timezone
 - disable-ec2-metadata
 - runcmd
 - byobu
cloud_final_modules:
 - package-update-upgrade-install
 - fan
 - landscape
 - lxd
 - ubuntu-drivers
 - puppet
 - chef
 - mcollective
 - salt-minion
 - rightscale_userdata
 - scripts-vendor
 - scripts-per-once
 - scripts-per-boot
 - scripts-per-instance
 - scripts-user
 - ssh-authkey-fingerprints
 - keys-to-console
 - phone-home
 - final-message
 - power-state-change
system_info:
   distro: ubuntu
   default_user:
     name: ubuntu
     lock_passwd: True
     gecos: Ubuntu
     groups: [adm, audio, cdrom, dialout, dip, floppy, lxd, netdev, plugdev, sudo, video]
     sudo: ["ALL=(ALL) NOPASSWD:ALL"]
     shell: /bin/bash
.../...


See also

  • https://wiki.ubuntu.com/DebuggingSystemd
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