olivetin/docs/modules/ROOT/pages/action_execution/onstartup.adoc

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[#exec-startup]
= Execute on startup
OliveTin can execute actions on a startup.
[source,yaml]
.`config.yaml`
----
actions:
- title: Say hello
shell: echo "Hello!"
execOnStartup: true
----
[#dnf-startup]
== Example: Install additional commands into OliveTin
This functionality to execute actions on startup is a very easy way to install additional commands in OliveTin, however it requires running OliveTin as a root user to be able to use `microdnf`;
[source,yaml]
.`config.yaml`
----
actions:
- title: Install dnsmasq
shell: microdnf install bind-utils
execOnStartup: true
----
A more secure method than running DNF as root, is a manual command the temporarily runs as root. To learn more about how to install additional packages into the container in this more secure way, see xref:reference/containerInstallPackages.adoc[Installing extra container packages].