Creating a Server

Photon OS 3.0 includes a rpm-ostree-repo package that can be installed on a VM.

This package provides an automated script that creates a repo tree that acts as a server.

Run the following commands to create a server:

tdnf install rpm-ostree-repo

A script is created, which provides options to create a server.

Script to create a Photon OSTree repo Usage:

/usr/bin/rpm-ostree-server/mkostreerepo -r=<repo path> 
/usr/bin/rpm-ostree-server/mkostreerepo -r=<repo path> -p=<json treefile>
/usr/bin/rpm-ostree-server/mkostreerepo -c -r=<repo path> -p=<json treefile>
-r|--repopath   <Provide repo path> 
-p|--jsonfile   <Provide Json file> 
-c|--customrepo <Provide custom repo file inside repo path directory>


  • Use PATH=$PATH:/usr/bin/rpm-ostree-server and then use mkostreerepo from any directory for ease of use.
  • mkostreerepo is used to create the fresh tree for ostree.
  • mkostreerepo is also used to update a new commit to the existing tree.
  • You can also use custom repo as to create/append the tree.

Run the following command to initiate the script, choose different help options to create a server.


Manually Composing your OSTree repo

Use the following commands to initialize a new repo and to compose it.

root [ ~ ]# cd /srv/rpm-ostree
root [ /srv/rpm-ostree ]# ostree --repo=repo init --mode=archive-z2
root [ /srv/rpm-ostree ]# rpm-ostree compose tree --repo=repo photon-base.json

You can now deploy a host. For more information, see File oriented server operations and Package oriented server operations to learn create your own customized file tree.

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