How to setup PPTP VPN server in Debian and Ubuntu

Update 2016-04-06: It's been tested on Ubuntu 14.04 and it works just fine. Update 2016-10-03: It works even on Ubuntu 16.04 but the service for some reason fails to start on boot, if that's your case run: sudo systemctl enable pptpd I've tried several dozen's how-tos before I tried this and I can confirm it's working. First of all make sure that the virtualization you're using will work with VPN - it doesn't work with Linux vServer virtualization but it does work with KVM virtualization. To Read more [...]