How to apply weblogic bsu patch

step1:

 Download latest “patch-client-installer310_generic32.jar” from Oracle Support Site

step2:
 
   Go to “bsu” directory of your WLS Installation:
    cd  /opt/app/bea1032/utils/bsu

step3:

  To apply patches run the folowing command from here:
     
$ bsu.sh -install -patchlist=4D53,NIXN,WDJ7,XLXA -                    patch_download_dir=/opt/app/yourLocation/patchesGotFromSupport -verbose -prod_dir=/opt/app/bea1032/wlserver_10.3

step4:

To check which patches are applied

$ bsu.sh -view -patch_download_dir=/opt/app/yourLocation/patchesGotFromSupport -status=applied -verbose -prod_dir=/opt/app/bea1032/wlserver_10.3