You are installing from a netinst CD image, which by itself only allows installation of a very minimal base system. Use a mirror to install a more complete system.
Tsebdadeḍ seg tugna n CD netinst, i yettaǧǧan s timmad-is ala asebded n unagraw n taffa adday maḍi. Seqdec tisit i usebded n ungraw yemmden ugar.