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I am looking to use OpenVPN straight from the terminal instead of using a gui such as tunnelblick - but am encountering a couple of problems. I have tested my config file and it works fine so it is not the config fault.

The command I am running is

./openvpn connection.ovpn

The error message that I am getting is

Wed Mar  6 13:22:57 2013 us=528389 Cannot allocate TUN/TAP dev dynamically
Wed Mar  6 13:22:57 2013 us=528401 Exiting due to fatal error

Which seems to be implying that a tun/tap kext cannot be found. I have tried to run the command 

sudo kextload tun.kext

immediately prior to this and it seemed to load fine but I still get the above error. I am using the 64-bit tun.kext from the TunnelBlick project so it should not be a problem with the kext itself. Any ideas?

xizor
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1 Answers1

19

It turns out that the above problem was quite simple. OpenVPN has to be run with administrative privileges. So, instead run

sudo ./openvpn connection.ovpn
xizor
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