Correct way to customize system

[Adriano]

@yakovenkov

If the things you need are really missing then there are two ways to make the configuration, I think:

1. Directly edit config files and make some script to overwrite autogenerated ones. It’s good for testing, but bad for production: in this case you’ll get unique system with all of it’s limitations.
2. Add missing features to the VyOS shell. It’s not as difficult as it seems, but it can be well documented and used/supported by someone else.

So, the both ways are suitable, and only you can decide which of them is right for the situation

Hello Valentin,
thank you for your reply, it was really useful for me.
What I was trying to achieve was more a minor configuration rather than a feature (for example: one of these was increase the SSH timeout) so I suppose I’m more in case [font=Courier][1][/font].

I looked into[font=Courier] /opt/vyatta/etc[/font] and, for what is my understanding, there I can also find some system files that will be used as template/replacement after the vyos boot.
What I’m still missing is the piece of code/configuration doing the coldfusion:

[font=Courier]final config[/font] = [[font=Courier]system base[/font]] + [[font=Courier]/opt/vyatta/etc files[/font]]

A concrete example: I was trying to avoid the SSH timeout (for diagnostic reason) and add into [font=Courier]/etc/ssh/sshd_config[/font] lines:

TCPKeepAlive yes ClientAliveInterval 30 ClientAliveCountMax 99999

how could I take advantage of dir [font=Courier] /opt/vyatta/etc[/font] to be vyos-compliant?
I would use the [font=Courier]vyatta-postconfig-bootup.script[/font] to add something like:

echo TCPKeepAlive yes >> /etc/ssh/sshd_config

but, of course, I would follow a more “clean” approach.

Thank you
Adriano