/ OpenVPN error ERROR: Cannot ioctl TUNSETIFF tun: Operation not permitted (errno=1) - rtt - IT Resource

OpenVPN error ERROR: Cannot ioctl TUNSETIFF tun: Operation not permitted (errno=1)

This basically means that you are running as non-root and you need to be root to create the tun0 or tap0 device on OpenVPN.  You could try sudo or adding the openvpn binary to the list of sudoers.


Tags:

openvpn, ioctl, tunsetiff, tun, permitted, errno, sudo, adding, binary, sudoers,

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