Our system this formed by two computers:
Computer A: -Pentium IV 2U's -2GB RAM -120 GB HD -S.O. LINUX DEBIAN 2.4.20 -DB POSTGRES 7.4.1
Computer B: -Pentium IV 2U's -1GB RAM -120 GB HD -S.O. LINUX DEBIAN 2.4.20 -AOLSERVER 4.0 -dotLRN 2.0.rc1