Select chroot architecture. (See Appendix A, Configuration layout)
Set distribution config directory. (See Appendix A, Configuration layout)
Include packages on base. (See Appendix A, Configuration layout)
Exclude packages on base. (See Appendix A, Configuration layout)
Select flavour to use. (See Appendix A, Configuration layout)
Set distribution keyring. (See Appendix A, Configuration layout)
Select distribution to use. (See Appendix A, Configuration layout)
Set mirror to bootstrap from. (See Section 5.1.1, “Package sources”)
Set mirror to fetch packages from. (See Section 5.1.1, “Package sources”)
Set security mirror to fetch packages from. (See Section 5.1.1, “Package sources”)
Set mirror which ends up in the image. (See Section 5.1.1, “Package sources”)
Set security mirror which ends up in the image. (See Section 5.1.1, “Package sources”)
select section(s) to use. (See Section 5.1.1, “Package sources”)