Ana Sayfa / Linux / Bash Script / Networking With Bash

Networking With Bash

Bash is often commonly used in the management and maintenance of servers and clusters. Information pertaining to typical commands used by network operations, when to use which command for which purpose, and examples/samples of unique and/or interesting applications of it should be included

Networking commands


The above command will show all active interface of the machine and also give the information of

  1. IP address assign to interface
  2. MAC address of the interface
  3. Broadcast address
  4. Transmit and Receive bytes

Some example
ifconfig -a

The above command also show the disable interface
ifconfig eth0

The above command will only show the eth0 interface
ifconfig eth0 netmask

The above command will assign the static IP to eth0 interface
ifup eth0

The above command will enable the eth0 interface
ifdown eth0

The below command will disable the eth0 interface

The above command (Packet Internet Grouper) is to test the connectivity between the two nodes
ping -c2

The above command will ping or test the connectivity with google server for 2 seconds.

The above command is to use in troubleshooting to find out the number of hops taken to reach the destination.

The above command (Network statistics) give the connection info and their state

The above command (domain information grouper) query the DNS related information


The above command query the DNS and find out the IP address of corresponding the website name.


The above command is used to check the Netwrok route information. It basically show you the routing table

router add default gw eth0

The above command will add the default route of network of eth0 Interface to in routing table.

route del default

The above command will delete the default route from the routing table

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