This page describes the content of the official image Ubuntu Trusty (14.04).
When you create a new server for the first time you have to select an official image.
This image has the following characteristics.
The official image contents can be found on github.
All the following services are present by default on all servers.
Network Time Protocol (NTP) is configured by default on every server. The system time is synchronized with our NTP servers and set to the UTC timezone.
You can execute the
ntpq -p command on your server to see the details list of peers known to the NTP server.
For more information about NTP, go to http://www.ntp.org/.
Every server are configured to use our DNS servers to resolve domain name.
Every Ubuntu server uses the following mirror
http://mirror.cloud.online.net for fast updates as is it close to your servers.
The following scripts and configurations ensure that your server works properly on our infrastructure.
/etc/init/ssh-keys.confFetches ssh-keys associated with your account in
/etc/init/sync-kernel-modules.confSynchronizes kernel modules
Often you will want to automate your server configuration based on data unavailable before start.
For instance, if you use server tags to configure your monitoring, you can retrieve this data using the following executables.
/usr/local/bin/oc-metadata: Executable which retrieves server metadata (TEXT).
/usr/local/bin/oc-metadata-json: Executable which retrieves server metadata (JSON).
/usr/local/sbin/oc-sync-kernel-module: Executable which synchronizes kernel modules.