Bash Networking With Bash Networking commands
Example
ifconfig
The above command will show all active interface of the machine and also give the information of
- IP address assign to interface
- MAC address of the interface
- Broadcast address
- 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 192.168.1.100 netmask 255.255.255.0
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
ping
The above command (Packet Internet Grouper) is to test the connectivity between the two nodes
ping -c2 8.8.8.8
The above command will ping or test the connectivity with google server for 2 seconds.
traceroute
The above command is to use in troubleshooting to find out the number of hops taken to reach the destination.
netstat
The above command (Network statistics) give the connection info and their state
dig www.google.com
The above command (domain information grouper) query the DNS related information
nslookup www.google.com
The above command query the DNS and find out the IP address of corresponding the website name.
route
The above command is used to check the Netwrok route information. It basically show you the routing table
router add default gw 192.168.1.1 eth0
The above command will add the default route of network of eth0 Interface to 192.168.1.1 in routing table.
route del default
The above command will delete the default route from the routing table
