Date: Thu, 24 Apr 2014 16:26:09 +0200 From: Rolf Nielsen <rmg1970swe@gmail.com> To: User questions <freebsd-questions@freebsd.org> Subject: Running a command when a specific interface is created or destroyed Message-ID: <53591F01.4020108@gmail.com>
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Hi, I use my phone's 3G/4G connection to connect my computer to the internet. With the help of the urndis driver, it comes up as ue0. However, if I reboot the computer, the phone automatically disables USB tethering, and I can't re-enable it until the boot is complete. Being somewhat paranoid, I use an OpenVPN service, and I want the cilent to start automatically. I obviously can't set it to start from rc.conf, as I can't log in to the server before I have an internet connection. So, is there a way to start the OpenVPN client automatically upon creation of the ue0 interface? E.g. can dhclient be set up to run the openvpn start script after it has given ue0 an IP address? And is there a way to automatically stop the openvpn client if ue0 is destroyed, e.g. if I disconnect my phone from the computer? Rolf Nielsen
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