Hello!
Anton is right, really the handbook says that it MAY contain, so it's not
necessary that after every build there will be some files with the immutable
flag.
OFF: Long long time ago one night when I was playing with jails (to be exact
I was building and making work my first jail by hand) I got to know this
little thing known as immutable, after building a jail, and after #&@$ing it
up (sry :)) I could not delete it. It was a funny discovery I remember I was
new to FBSD and unix in general:).
ON:
I think maybe in older releases the build process may have used the
immutable flag at build??, but the test machine I tried, started out as
maybe 5.2, and I never had this issue once. Now I'm at 8.1-REL. After you
make installworld you get some files immutable, check this:
# cd /usr/src/
# make installworld DESTDIR=/usr/home/testworld/
# cd /usr/home/testworld
# find . -xdev -flags +schg -exec ls -la {} \;
-r-sr-xr-x 1 root wheel 18584 Sep 23 16:54 ./bin/rcp
-r--r--r-- 1 root wheel 1150968 Sep 23 16:53 ./lib/libc.so.7
-r--r--r-- 1 root wheel 32104 Sep 23 16:53 ./lib/libcrypt.so.5
-r--r--r-- 1 root wheel 76412 Sep 23 16:54 ./lib/libthr.so.3
-r-xr-xr-x 1 root wheel 220596 Sep 23 16:54 ./libexec/ld-elf.so.1
-r-xr-xr-x 1 root wheel 663616 Sep 23 16:55 ./sbin/init
-r-sr-xr-x 6 root wheel 18588 Sep 23 16:56 ./usr/bin/chpass
-r-sr-xr-x 6 root wheel 18588 Sep 23 16:56 ./usr/bin/chfn
-r-sr-xr-x 6 root wheel 18588 Sep 23 16:56 ./usr/bin/chsh
-r-sr-xr-x 6 root wheel 18588 Sep 23 16:56 ./usr/bin/ypchpass
-r-sr-xr-x 6 root wheel 18588 Sep 23 16:56 ./usr/bin/ypchfn
-r-sr-xr-x 6 root wheel 18588 Sep 23 16:56 ./usr/bin/ypchsh
-r-sr-xr-x 1 root wheel 21836 Sep 23 16:56 ./usr/bin/login
-r-sr-xr-x 1 root wheel 4792 Sep 23 16:56 ./usr/bin/opieinfo
-r-sr-xr-x 1 root wheel 11868 Sep 23 16:56 ./usr/bin/opiepasswd
-r-sr-xr-x 2 root wheel 6160 Sep 23 16:56 ./usr/bin/passwd
-r-sr-xr-x 2 root wheel 6160 Sep 23 16:56 ./usr/bin/yppasswd
-r-sr-xr-x 1 root wheel 11244 Sep 23 16:56 ./usr/bin/rlogin
-r-sr-xr-x 1 root wheel 8896 Sep 23 16:56 ./usr/bin/rsh
-r-sr-xr-x 1 root wheel 14500 Sep 23 16:56 ./usr/bin/su
-r-sr-xr-x 1 root wheel 27044 Sep 23 16:56 ./usr/bin/crontab
-r--r--r-- 1 root wheel 16604 Sep 23 16:54 ./usr/lib/librt.so.1
total 4
dr-xr-xr-x 2 root wheel 512 Sep 23 16:53 .
drwxr-xr-x 22 root wheel 512 Sep 23 16:53 ..
# rm -rf testworld/
rm: testworld/bin/rcp: Operation not permitted
rm: testworld/bin: Directory not empty
rm: testworld/lib/libc.so.7: Operation not permitted
rm: testworld/lib/libcrypt.so.5: Operation not permitted
rm: testworld/lib/libthr.so.3: Operation not permitted
rm: testworld/lib: Directory not empty
rm: testworld/libexec/ld-elf.so.1: Operation not permitted
rm: testworld/libexec: Directory not empty
rm: testworld/sbin/init: Operation not permitted
and so on...
Anton if you wanna be sure just do it, or test it with the version you are
using, but I don't think you will find any immutable files in /usr/obj
/usr/obj]# find . -flags +schg -exec ls -la {} \;
/usr/obj]#
Sorry if this was a bit long, but I hope it helpded!
Regards,
Balazs.
On 23 September 2010 16:42, Arthur Chance <free...@qeng-ho.org> wrote:
> On 09/23/10 15:10, Polytropon wrote:
>
>> On Thu, 23 Sep 2010 12:02:17 +0100, Anton Shterenlikht<
>> me...@bristol.ac.uk> wrote:
>>
>>> I've never seen a file under /usr/obj/ with immutable flag set.
>>>
>>
>> I think it was a directory called empty/ that couldn't be removed
>> unless the flag was unset. This makes this step neccessary when
>> you rm -rf /usr/obj the object subtree.
>>
>
> I think you're thinking of /var/empty, not something under /usr/obj. On my
> machine find fails to find anything immutable under /usr/obj.
>
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