Please assist Hardened linux

[Kim29]

I'm not sure If I provide Hardened linux repository that I need Hardened linux template depend on linux vendor before config this
https://helpcenter.veeam.com/docs/backu ... ml?ver=110
right?

[veremin]

Not sure what template is meant here, but you need to keep these and these considerations in mind while deciding on using a particular Linux system as a Hardened repository. Thanks!

[Kim29]

Template mean hardened OS https://ubuntu.com/security/certificati ... compliance.
first step, Does I need to preparing OS hardening ? after that follow by this https://helpcenter.veeam.com/docs/backu ... ml?ver=110