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run own script after dhcp renewal of ip address

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toralf
Developer

Developer

Joined: 01 Feb 2004
Posts: 3943
Location: Hamburg

Posted: Wed Jun 06, 2007 3:25 pm Post subject: run own script after dhcp renewal of ip address

I'd like to tweak the /etc/resolv.conf as soon as dhcpcd changed it after a renewal of the dhcp leased ip adress - and I don't know why

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Stever
Apprentice

Apprentice

Joined: 01 Mar 2005
Posts: 151
Location: North Carolina

Posted: Wed Jun 06, 2007 3:48 pm Post subject:

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I can't help you with WHY, but here is HOW:

Code:

/etc/dhcpcd.sh
script file, which dhcpcd will try to execute whenever it con-
figures or brings down the interface. The path to this exe-
cutable script can be changed with -c script option. dhcpcd
passes 3 parameters to dhcpcd.sh script:

dhcpcd.sh infofile [up | down | new]
The first parameter infofile is the path to a file containing
all DHCP information we have. The second parameter value up |
down | new mean the interface has been brought up with the same
IP address as before ("up"), or with the new IP address ("new"),
or the interface has been brought down ("down").

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