Scan all IP addresses in the same local network

Scanning through all IP addresses in same local network is easy task with Linux.

Install arp-scan:
$sudo apt-get install arp-scan

Scan all ip's:
$sudo arp-scan --interface=eth0 --localnet

Where "eth0" is your network device, if you don't know what it is, do ifconfig to check it out:
$ifconfig