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I accidentally removed /etc/rc.d/rtadvd from my FreeBSD system (8.2-RELEASE)

What is the best way of getting such system file restored?

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What filesystem are you using? If it's ZFS, you might be lucky :) – rozcietrzewiacz Dec 21 '11 at 9:16
@rozcietrzewiacz No, it's UFS. And I didn't make any changes to that file, so I just have to find the default file somewhere and put it back. – Peter Smit Dec 21 '11 at 9:20

The CVSWeb got it covered, but ident /etc/rc.d/rtadvd on my 8.2-RELEASE-p3 system yields

 $FreeBSD: src/etc/rc.d/rtadvd,v 2010/12/21 17:09:25 kensmith Exp $

which I can't find there... hope this still helps, rev 1.12 is tagged RELENG_8.

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This file is in the base system, so grab the base system archive and extract that particular file.

cd /tmp
wget -r ftp://ftp.fi.freebsd.org/pub/FreeBSD/releases/i386/8.2-RELEASE/base
cd /
cat /tmp/ftp.fi.freebsd.org/pub/FreeBSD/releases/i386/8.2-RELEASE/base/base.?? |
tar -xzf - etc/rc.d/rtadvd

Alternatively, since this file is identical to its source, you can grab etc/rc.d/rtadvd from the source tree, either on your system if you've unpacked it (/usr/src/etc/rc.d/rtadvd) or on the web. I'd expect the file to be in /etc/rc.d in the CVS source tree view with the RELENG_8_2_0_RELEASE tag; I don't know why it doesn't appear there. You can get it from the svn source tree view in the release/8.2.0 branch.

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up vote 0 down vote accepted

A small further investigation learned that the base versions are stored in the kernel source in /usr/src/etc.

So a cp /usr/src/etc/rc.d/rtadvd /etc/rc.d/rtadvd solved my problems.

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