Date: Fri, 08 Nov 2002 23:06:33 -0600 (CST) From: Conrad Sabatier <conrads@cox.net> To: Lefteris Tsintjelis <lefty@ene.asda.gr> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Port managment Message-ID: <XFMail.20021108230633.conrads@cox.net> In-Reply-To: <3DCBC81B.BE5526EB@ene.asda.gr>
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On 08-Nov-2002 Lefteris Tsintjelis wrote:
> Conrad Sabatier wrote:
>>
>> On 08-Nov-2002 Lefteris Tsintjelis wrote:
>> > Just to sum it up for the archives
>> >
>> > Conrad Sabatier wrote:
>> >>
>> >> On 07-Nov-2002 Lefteris Tsintjelis wrote:
>> >> > Hi,
>> >> >
>> >> > I have acrually a few questions:
>> >> >
>> >> > 1) How can I find ports that do not depend in any other ports?
>> >>
>> >> pkg_info -ar
>> >
>> > Or, a very nice port (/usr/ports/sysutils/pkg_tree) I just found. It
>> > does the same job with better on screen results. It can even display
>> > dependencies of the dependencies in a nice graphical tree.
>> >
>> > pkg_tree -v
>>
>> Interesting. I'll have to have a look at that.
>>
>> >> > 2) How can I find files that are unused by any port?
>> >>
>> >> /usr/ports/Tools/scripts/check_consistency
>> >
>> > I think /usr/ports/Tools/scripts/consistency-check examines modified
>> > files within /usr/local/bin only.
>> >
>> >> or
>> >>
>> >> pkg_which file(s)
>> >
>> > A better way to examine files in any path would be to use pkg_which -v
>> > Something like "find <PATH PATH ...> -type f | xargs pkg_which -v |
>> > fgrep '?'" would check against any port in any path.
>>
>> Well, yes, I didn't elaborate any further on this one. Just wanted to
>> point you in the right direction. :-)
>
> Yes, I believe you did. :-)
>
>> >> > 3) How can I find modified files?
>> >>
>> >> pkg_info -ag
>> >>
>> >> > 4) How can I find missing port files?
>> >>
>> >> Need some clarification as to what you mean.
>> >
>> > I think your previous answer covers this one as well. I meant if any
>> > of
>> > the already installed port files are missing. "pkg_info -ag" displays
>> > results of any modified/missing port files.
>> > Is there a way to also check the system (/bin /sbin ...) for
>> > modified/missing/extra files?
>>
>> man mtree
>
> That certainly takes care of that too!
>
>> >> > 5) _AND_ (yes finally) How can I find missing port dependencies?
>> >>
>> >> pkg_info -I $(pkg_info -arq | cut -d ' ' -f 2)
>> >
>> > I am not sure here if the results are any missing port dependencies. I
>> > get a multiple list of the ports that are already installed.
>>
>> Well, the idea here is that if a package is missing, an error message
>> will
>> be displayed. Perhaps a better way to run this would be:
>>
>> pkg_info -I $(pkg_info -arq | cut -d ' ' -f 2) >/dev/null
>>
>> So only any errors will actual display.
>
> I see. There is also a nice sysutil port /usr/ports/sysutils/libchk. It
> checks almost any shared libraries links. I guess that about sums it up.
> Using the above commands, you could check almost everything in your file
> system. Great job, thanks. The idea here is to always be able to check
> the
> whole system against minor data corruption problems or accidental
> deletes or unknown files and file modifications. Is there anything else
> I might be missing?
I recently hacked together a little script to check for stale symbolic
links:
#!/bin/sh
#
# Check symbolic links to make sure they're valid pointers
if [ $# -eq 0 ]
then
root=/
else
root="$(realpath $1)"
fi
IFS=$(echo -e "\n")
find "$root" -type l | while read link
do
echo -n Checking "$link..."
lp="$(readlink "$link")"
if [ ! -e "$lp" ] && [ ! -e "$(dirname "$link")/$lp" ]
then
echo Bad link: "$link" -- "$lp" does not exist
else
echo OK
fi
done
--
Conrad Sabatier <conrads@cox.net>
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