Ubuntu – How to find a computer name in a LAN from the IP address

hostname

My network includes machines running Linux and others running Windows. And my machine is running Linux.

Best Answer

Type in terminal.

sudo nmap -sn <Your LAN Subnet>

For Example:

sudo nmap -sn 192.168.1.*

You can find your LAN subnet using ip addr command.

It will show all host name in LAN whether it is Linux or Windows. You also able to see mobile devices, if any present on LAN network. Here you need to make sure that you run command with sudo or root.

Related Solutions

Hostname – How to Change the Computer Name on Ubuntu

You need to edit the computer name in two files:

/etc/hostname

and

/etc/hosts

These will both need administrative access, so run

gksu gedit /path/to/file

Replace any instances of the existing computer name with your new one. When complete run

sudo service hostname start

The name will also be changed if you restart your computer.

Ubuntu – Name resolution on home LAN

To resolve Avahi hostnames, other computers should have libnss-mdns installed.

Another option, if you are the network administrator is to distribute a private DNS address by DHCP (I your computers are configured by DHCP). For a small network, dnsmasq is good combined package (DNS+DHCP). It allows you to serve simply your /etc/hosts to the network.

Best Answer

Related Solutions

Hostname – How to Change the Computer Name on Ubuntu

Ubuntu – Name resolution on home LAN

Related Question