Thank you guys, i see you are knowledgeable in linux, but simple is better for me now. I dont understand MANY things in linux. I use linux for 1 week so i must learn
dubstep@dubstep:~$ sudo arp-scan -l
ioctl: Cannot assign requested address
WARNING: Could not obtain IP address for interface eth0. Using 0.0.0.0 for
the source address, which is probably not what you want.
Either configure eth0 with an IP address, or manually specify the address
with the --arpspa option.
Interface: eth0, datalink type: EN10MB (Ethernet)
ERROR: Could not obtain interface IP address and netmask
ERROR: pcap_lookupnet: eth0: no IPv4 address assigned
Everyday errors
