[ubuntu] OpenVPN suddenly stops working

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http://ubuntuforums.org – I'm running Ubuntu 10.10 on a OpenVZ VPS with TUN/TAP enabled. Months ago I succesfully configured a openvpn server on my VPS. Two days ago there was a power outage on my host's data center which resulted in downtime. After everything came back online my openvpn server failed to start. This is the /var/log/openvpn.log Code: Sun Sep 30 19:47:53 2012 OpenVPN 2.1.0 i686-pc-linux-gnu [SSL] [LZO2] [EPOLL] [PKCS11] [MH] [PF_INET6] [eurephia] built on Jul 12 2010 Sun Sep 30 19:47:53 2012 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts (Hardware)