accessing DHCP connected hosts by name vs IP

Nils Kassube kassube at
Sat Dec 24 19:20:33 UTC 2011

Jay Ridgley wrote:
> I know that if a host is connected via a static connection and is in
> the /etc/hosts file by name and IP, it may be accessed by name when
> using ssh and sftp.
> How can I or is it possible, to do the same for a host connected via
> For example: My laptop (hostname kodiak) has the following entry in
> /etc/hosts:
> kodiak
> When connected with a cat 5 cable it can be accessed simply by ssh
> kodiak, however, when connected via DHCP I must use ssh
> (the assigned IP address on my local network).
> I would rather only use the hostname. Once connected with ssh it does
> show as kodiak, so it is identified as expected. I just can not ssh
> kodiak with a wireless connection.

Your DNS server must know the host name + IP address, otherwise it can't 
work. What type of DNS server do you use? If it is dnsmasq it is rather 
easy to configure.

> Is it possible to connect wirelessly with a static IP address? If so
> I would love to know how it is done.

Sure it is possible. Setup network-manager to use a static IP address 
instead of DHCP for the wireless link.


More information about the ubuntu-users mailing list