Network Routing...

in order to get x11 and Samba working, I need to connect the MAC to the Kubuntu system and get them to talk to each other. I found that I could ping the Kubuntu machine from the MAC but I could not ping the MAC from the Kubuntu machine.

http://www.thegeekstuff.com/2012/04/route-examples/  Donalds-iMac:~ MAC_at_home$ ping 192.168.0.101 (the Kubuntu machine) PING 192.168.0.101 (192.168.0.101): 56 data bytes 64 bytes from 192.168.0.101: icmp_seq=0 ttl=64 time=0.464 ms 64 bytes from 192.168.0.101: icmp_seq=1 ttl=64 time=0.351 ms 64 bytes from 192.168.0.101: icmp_seq=2 ttl=64 time=0.344 ms 64 bytes from 192.168.0.101: icmp_seq=3 ttl=64 time=0.317 ms part of the response from "ifconfig" on the MAC  en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500     options=10b<RXCSUM,TXCSUM,VLAN_HWTAGGING,AV>     ether ac:87:a3:0c:fa:90     inet6 fe80::ae87:a3ff:fe0c:fa90%en0 prefixlen 64 scopeid 0x4     inet 192.168.0.100 netmask 0xffffff00 broadcast 192.168.0.255     nd6 options=1<PERFORMNUD>     media: autoselect (1000baseT <full-duplex,flow-control>)     status: active need to add static route to router....