On Thursday 21 June 2007, Jim Perrin wrote: > On 6/21/07, balajisundar@xxxxxxxxxxxxx <balajisundar@xxxxxxxxxxxxx> wrote: > > We have observed the exe file size getting changed during run time > > of the system in CentOS. > > Yep. that's normal. > > > We are not sure why this is happening. Can some one throw light on this. > > Prelink. > Basically there's a cron job that runs weekly, which optimizes > binaries to load faster. It will change md5sums on the binaries it > modifies. You can alter this behavior if you wish by setting > parameters in /etc/sysconfig/prelink. Also related, rpm -V "sees past" prelink stuff and is able to verify files even with prelink enabled. (if I remember correctly...) /Peter
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