Unix Networking

How computers talk to each other under Unix.

 

 

1.      What really happens when I telnet to a remote host on my subnet?

a.        Is the remote hostname all I need to connect? (DNS)

b.        What is Ethernet?

c.       What is TCP/IP?

d.        What happens at the other end? (/etc/services, inetd, /etc/inetd.conf)

 

2.      What if the host is on a different subnet?

a.       What's subnetting, subnet mask?

b.    TCP/IP Routing

 

3.      Networking commands:

a.       arp

b.      ifconfig

c.        route

d.       netstat

e.       nslookup

f.        ping

g.      (traceroute)

 

4.      What is NFS (Network File System)?

 

5.      !!!####*$#!!! , the network has gone south!