I've just updated my DIY secure pseudo-DDNS setup using ssh article/HOWTO a bit, in order to make it simpler to set up (no more extra scripts required) and a bit more secure (by using command= and no-port-forwarding,no-X11-forwarding,no-agent-forwarding in the /home/user/.ssh/authorized_keys file, for instance).

If you've considered employing such as solution please revisit the article for updated instructions.

Here's a quick HOWTO for setting up your own secure pseudo-dynamic DNS (DDNS) server.

It's not a "real" DDNS service, i.e. you won't be able to use standard DNS tools or protocols to talk to the server, but it covers 98% of all functionality I expect from a service such as DynDNS or similar ones: It tells me the IP address of a certain box which doesn't have a static IP address (e.g. my home-server).

Requirements

You'll need:

Synergy has worked well for me over the last couple days, but setting up the connection (although not difficult) required a few steps that I’ve tried to streamline.

The following setup is based on a synergy configuration similar to the following.:

section: screens
desktop:
laptop:
end
section: links
desktop:
right = laptop
laptop:
left = desktop
end

BTW, desktop and laptop are arbitrary names I’ve selected for clarity.

Automatically start the synergy server after logging in to gnome on the “desktop” computer to which the mouse/keyboard is physically connected as follows: