Execute Script file automatically on Chromebook Boot

[Gokul vellingiri]

I want to execute a simple script file in Chromebook once the devices booted into Normal Mode. This sounds possible in Linux Machine using /etc/rc.5/ (Assuming device machine is booted with run-level 5). Now i tried the same in Linux Beta variant Crostini of Chormebook(https://chromium.googlesource.com/chromiumos/docs/+/master/containers_and_vms.md). My script file follows:

/etc/rc.5/S99simpleEcho

#The following script is used to write string to a file on every startup:

echo "Simple Echo script is working" > /usr/lib/output_file.

When I try to execute the script using Terminal App(Which i enabled under Linux Beta) got the script working. 

When I expect the script to run automatically on boot, i am not seeing the file created. Is it possible to auto execute a user defined script file in Chromebook on every boot ?

[Keith I Myers]

According to the official documentation -https://chromium.googlesource.com/chromiumos/docs/+/master/containers_and_vms.md#can-i-autorun-programs-when-i-log-in  - this is not possible for security. The exact text is as follows

Can I autorun programs when I log in?

Nope! All VMs (and their containers) need to be manually relaunched. This helps prevent persistent exploits.

For more details, see the Security section in this doc.

Can I autorun programs when I boot?

Nope! See the previous questions, and the Security section.

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Keith I Myers http://KMyers.me Mobile : (305)-929-3475

[Gokul vellingiri]

Thank you Myser for your reply. At least can i make this work in Developer Mode of Chromebook ?