Looks like you'll need to install the following package: pqrac201:[mstarpep1]:(/home/oracle):$rpm -qa|grep strace strace-4.5.16-1.el4.2 -Mark PS Note that strace is just a tool, and may or may not help in solving the current problem, but it's useful to have on your system. From: Nagaraj S [mailto:nagaraj.chk@xxxxxxxxx] Sent: Tuesday, March 03, 2009 9:48 AM To: Bobak, Mark Cc: oracle-l Subject: Re: Permission Issue Hi Mark , i could not find under /usr/bin bach[]> which strace /usr/bin/which: no strace in (/u001/oracle/product/10.2.0.4_client/bin:/usr/sbin:/usr/local/bin:/bin:/usr/bin:/usr/X11R6/bin) bash[]> rpm -qa |grep strace please help me out to locate strace i have logged in as oracle user bash[]> id uid=200(oracle) gid=200(dba) groups=200(dba),201(oinstall) context=user_u:system_r:unconfined_t On Tue, Mar 3, 2009 at 8:07 PM, Bobak, Mark <Mark.Bobak@xxxxxxxxxxxx<mailto:Mark.Bobak@xxxxxxxxxxxx>> wrote: On my system, it's in /usr/bin. pqrac201:[mstarpep1]:(/home/oracle):$which strace /usr/bin/strace It's possible that it's not installed on your system. -Mark From: Nagaraj S [mailto:nagaraj.chk@xxxxxxxxx<mailto:nagaraj.chk@xxxxxxxxx>] Sent: Tuesday, March 03, 2009 9:36 AM To: Bobak, Mark Cc: oracle-l Subject: Re: Permission Issue Hi Mark, I got strace cannot be found. In linux it will be on which path. -ksh: strace: not found [No such file or directory] On Tue, Mar 3, 2009 at 7:54 PM, Bobak, Mark <Mark.Bobak@xxxxxxxxxxxx<mailto:Mark.Bobak@xxxxxxxxxxxx>> wrote: Hmm...so the 'libagtsh.so' isn't a dynamic dependency for chmod? Ok, try this: strace chmod -R 755 oracle Warning, that command could spew quite a bit of output. You may want to redirect stderr to a file. -Mark From: Nagaraj S [mailto:nagaraj.chk@xxxxxxxxx<mailto:nagaraj.chk@xxxxxxxxx>] Sent: Tuesday, March 03, 2009 9:19 AM To: Bobak, Mark Cc: oracle-l Subject: Re: Permission Issue bash[]> which chmod /bin/chmod bash[]> ldd `which chmod` libc.so.6 => /lib64/tls/libc.so.6 (0x000000311e000000) /lib64/ld-linux-x86-64.so.2 (0x000000311de00000) On Tue, Mar 3, 2009 at 7:43 PM, Bobak, Mark <Mark.Bobak@xxxxxxxxxxxx<mailto:Mark.Bobak@xxxxxxxxxxxx>> wrote: Naga, What output do you get from the following commands: which chmod ldd `which chmod` ?? -Mark From: oracle-l-bounce@xxxxxxxxxxxxx<mailto:oracle-l-bounce@xxxxxxxxxxxxx> [mailto:oracle-l-bounce@xxxxxxxxxxxxx<mailto:oracle-l-bounce@xxxxxxxxxxxxx>] On Behalf Of Nagaraj S Sent: Tuesday, March 03, 2009 8:23 AM To: oracle-l Subject: Permission Issue Hi Gurus, I get below error while trying to change the permission of oracle directory. Kindly advice were could be the problem Bash[]$ id uid=200(oracle) gid=200(dba) groups=200(dba),201(oinstall) context=user_u:system_r:unconfined_t Bash[]$ cat /etc/redhat-release Red Hat Enterprise Linux ES release 4 (Nahant Update 7) Bash[]> chmod -R 755 oracle chmod: libagtsh.so: not found [No such file or directory] Regards, Naga