Hi folks,
on CentOS 6.5 I run tripwire software which verifies data integrity. My
system is automatically updated by yum (as far as I understand the
/etc/cron.daily/0yum.cron is responsible for the regular system
updates). After a system update I'm then notified by tripwire about the
changes on the file system.
By browsing those tripwire reports I found that there are files which
did not change at all (i.e. the MD5 hash is the same as before) but the
inode changed. I do not understand what yum did to the file that
resulted in an inode change, especially I'm wondering how the inode can
change although there was no modification on the file at all.
Thanks in advance for any clarification.
Find below an excerpt from the tripwire log (for /etc/nsswitch.conf)
which shows that only inode changed.
Regards,
Meikel
Excerpt from tripwire report:
Modified object name: /etc/nsswitch.conf
Property: Expected Observed
------------- ----------- -----------
Object Type Regular File Regular File
Device Number 64770 64770
* Inode Number 393292 393686
Mode -rw-r--r-- -rw-r--r--
Num Links 1 1
UID root (0) root (0)
GID root (0) root (0)
Size 1688 1688
Modify Time Tue 04 May 2010 09:22:21 PM CEST
Tue 04 May 2010 09:22:21 PM CEST
Blocks 8 8
CRC32 DjDI7W DjDI7W
MD5 ANYAnN/RJkbSUehjA7wMSM ANYAnN/RJkbSUehjA7wMSM
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