3

On my Airport Express I can set up SSH advertising for computers on my network.

I have the same option with avahi on a linux server.

What is the utility of doing this ?

5

When ssh is advertised via bonjour, you can ssh to the linux machine via "ssh hostname". No client side configuration is required is the server changes IP Address, or is using a non-standard port.

Bounjour advertised ssh servers show up automatically in OSX Terminal's File->New Remote Connection menu. In iTerm, the menu is Bookmarks -> Bonjour, or via Right click -> New -> Bonjour.

To enable this on linux (as the OP already has), install avahi, then your /etc/avahi/ssh.service should look like the following. It should be enabled as a boot service.

<service-group>    
  <name replace-wildcards="yes">%h</name>    
  <service>
    <type>_ssh._tcp</type>
    <port>22</port>
  </service>    
</service-group>

Links:

  • That's not what I want, it's already activated, but I want to know the utility of advertising SSh through Bonjour. How useful is it ? – Studer Feb 13 '10 at 15:26
  • 2
    Which SSH clients actually use such advertisements? Does generic OpenSSH support it? – grawity Feb 13 '10 at 21:26
  • For what it's worth, if you are connecting from a mac, you'll have to ssh into hostname.local, I recommend adding an alias in ~/.ssh/config to avoid the extra typing. – Lee Hambley Feb 7 '13 at 18:03
  • @LeeHambley the Terminal option will automatically add the .local to it. – cde May 18 '17 at 4:20

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