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Chapter 2: System and Network Administration Overview
This is the Title of the Book, eMatter Edition
Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.
in addition to Linux systems. Many can also be used to communicate with non-
Unix systems, as a wide variety of systems support TCP/IP.
This section also covers NFS and NIS—which allow for transparent file and infor-
mation sharing across networks—and sendmail.
TCP/IP Administration
NFS and NIS Administration
Command Action
dig Query domain nameservers.
ftpd Server for file transfers.
gated Manage routing tables between networks.
host Print host and zone information.
ifconfig Configure network interface parameters.
named Translate between domain names and IP addresses.
netstat Print network status.
ping Check that a remote host is online and responding.
pppd Create PPP serial connection.
rdate Notify time server that date has changed.
route Manage routing tables.
routed Dynamically keep routing tables up to date.
slattach Attach serial lines as network interfaces.
sshd Server for secure shell connections.
tcpdump Write network packet information to screen or file.
telnetd Server for Telnet sessions from remote hosts.
tftpd Server for restricted set of file transfers.
Command Action
domainname Set or display name of current NIS domain.
makedbm Rebuild NIS databases.
portmap DARPA port to RPC program number mapper.
rpcinfo Report RPC information. ...