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Xamindar
Veteran
Joined: 03 Oct 2004
Posts: 1155
Location: California
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 Posted: Mon Oct 01, 2007 7:18 am Post subject: How can I run a script when a certain net interface comes up |
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I want to launch a script that will rsync a remote directory when the network interface comes up with an IP. I already have the rsync script working. It will basically ping the host and start the rsync if it gets a response. So now I need a way to launch it automatically. This net interface will only come up when I connect the host to it and go away when I disconnect it (usb networking).
Do I use udev rules? Should I use hotplug? I am a little confused because it looks like they both can do it if configured. Which is better? Or is there another, better way to do this?
Thanks for any suggestions. |
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toralf
Developer
Joined: 01 Feb 2004
Posts: 3943
Location: Hamburg
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| Posted: Mon Oct 01, 2007 7:54 am Post subject: |
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| What's about using the command for that ? And in ase of using dhcp you can simply use . |
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loki_val
Retired Dev
Joined: 13 Nov 2006
Posts: 418
Location: Denmark
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| Posted: Mon Oct 01, 2007 7:55 am Post subject: |
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| The "Gentoo Way" of doing this would probably be to set up a postup() rule in /etc/conf.d/net. You can read about doing that in /etc/conf.d/net.example. |
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toralf
Developer
Joined: 01 Feb 2004
Posts: 3943
Location: Hamburg
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| Posted: Mon Oct 01, 2007 8:18 am Post subject: |
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| peteralf wrote: | | The "Gentoo Way" of doing this would probably be to set up a postup() rule in /etc/conf.d/net. You can read about doing that in /etc/conf.d/net.example. |
Yep, but using /etc/dhcpcd.sh is charming if you use dhcpcd at the command line too. |
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Xamindar
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Joined: 03 Oct 2004
Posts: 1155
Location: California
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| Posted: Mon Oct 01, 2007 6:38 pm Post subject: |
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| peteralf wrote: | | The "Gentoo Way" of doing this would probably be to set up a postup() rule in /etc/conf.d/net. You can read about doing that in /etc/conf.d/net.example. |
Thanks a lot guys. Got it working "the gentoo way" and it works GREAT!! Here is what I put in the net file:
| Code: |
postup() {
# Launches the zaurus rsync script when it is connected
if [ ${IFACE} == "usb0" ] ; then
einfo "rsyncing music from Zaurus"
/home/xamindar/scripts/rsync_zaurus.sh
fi
}
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I don't know what einfo does, I'll probably take it out. |
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