How can I configure an Ubuntu Server OS (perhaps an application I can install) so that it connects to a third-party service that enables connections back into the Ubuntu Server? I'm basically looking for something like LogMeIn or VNC Connect but for Ubuntu Server rather than a Desktop interface. GUI solutions are out of the question.
I know I could accomplish this by setting up a third machine to act as an SSH gateway, but I don't really feel like managing the machine in the middle and making sure it is always online. Plus, with IP addresses that change, I don't feel like messing with DDNS or trying to keep the IP address for the machine in the middle up-to-date.
I also know I could configure the edge router to forward SSH connections to my server. I'm looking for a solution that is more independent of network architecture. The kind I wouldn't have to worry about if someone came along and pushed the reset button on the router.
For argument's sake, let's say I don't have access to the edge router. I have in fact had an ISP that placed me behind its own NAT firewall (think non-first world country); service was terrible. When I was in that situation, I couldn't set up DDNS or forward a port because I didn't have an Internet-facing IP assigned to me.
Does anyone know of a third-party service that offers the ability I'm looking for?
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