Network Management Commands in Linux
§ dnsdomainname
Show the systems DNS domain name
§ hostname
Used to show or set the name of your machine for networking
§ nisdomainname
Show or set systems NIS/YP domain name
§ ypdomainname
Show or set the system's NIS/YP domain name
§ arp
This program lets the user read or modify their arp cache.
§ dig
Send domain name query packets to name servers for debugging or testing.
§ finger
Display information about the system users. Ex: finger Deepak
§ ftp
File transfer program. (ftp <remote system name/ip)
§ ifconfig
Configure a network interface. Ex:
ifconfig eth0 address 172.31.2.2 netmask
255.255.0.0
§ ifdown
Shutdown a network interface. Ex: ifdown eth0
§ ifup
Brings a network interface up. Ex: ifup eth0
§ netconf
A GUI interactive program to let you configure a network on Redhat systems.
§ netconfig Another
GUI step by step network configuration program.
§ netstat Displays
information about the systems network connections, including port connections,
routing tables, and more. The command "netstar -r" will display the
routing table. (netsat –rn)
§ nslookup
Used to query DNS servers for information about hosts.
§ ping
Send ICMP ECHO_REQUEST packets to network hosts. (ping <remote-host-name/ip)
§ route Show
or manipulate the IP routing table. (route, route add, route del)
§ showmount
Show mount information for an NFS server.
§ ssh
Secure Login (ssh <remote system name/ip>)
§ tcpdump
Dump traffic on a network. Prints out headers of packets that match the boolean
expression. (tcpdump eth0)
§ telnet
User interface to the TELNET protocol, setting up a remote console session.
(telnet <remote system name/ip>)
§ traceroute Print
the route that packets take to the specified network host. (traceroute
<remote system name/ip>)
Communications commands
(includes mail)
§ elm
Electronic mail.
§ pine
Program for internet news and e-mail, Can send documents, graphics, local &
remote messages.
§ talk
Lets two parties talk simultaneously.
§ mail
To send a mail
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