PIA (Private Internet Access) is a hosted VPN service, their website is
https://www.privateinternetaccess.com. On their client support page here:
https://www.privateinternetaccess.com/pages/client-support/It states that they support ubuntu via an OpenVPN client. I know the newer version of Zentyal is based on Ubuntu, but I'm not sure if there are any differences with the version I am running. Anyhow my concern is not so much with just installing the OpenVPN client, its making sure that just doing that via the command line isnt going to screw up any of the zentyal configuration files.
The machine I have this running on is just a really small Micro-ITX board, with 4gb of ram and an 1.6GHz Atom processor, I dont think its beefy enough to run VMs. I have my desktop, and an HTPC but I would rather not have to setup VPN services on those. If I can get it all working on my firewall that would be ideal.
I suppose I can give the OpenVPN setup a shot... Im assuming ill have to muck around with IPTables or something to get the routing to work, although last time I tried to do something with that Zentyal just overwrote it all again.
Im guessing I will have to at the minimum go through the following steps, please feel free to interject if you feel I am missing anything:
1) Install OpenVPN client (they have an ubuntu installer, but I dont know if this will work for Zentyal 2.2 that I am running
2) Edit OpenVPN client to change gateway via the redirect-gateway command. (Their installer might do this automatically.)
3) Setup the Zentyal VPN to use the OpenVPN interface as its gateway? Not sure how to do this.
4) Profit