Still i am unable to install....
[root@localhost Desktop]# rpm --query --whatprovides 'libXext.so.6'
no package provides libXext.so.6
[root@localhost Desktop]# yum install libXext.so.6
Loaded plugins: refresh-packagekit, security
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package libXext.i686 0:1.3.3-1.el6 will be installed
--> Processing Dependency: libX11.so.6 for package: libXext-1.3.3-1.el6.i686
--> Running transaction check
---> Package libX11.x86_64 0:1.6.0-2.2.el6 will be updated
--> Processing Dependency: libX11 = 1.6.0-2.2.el6 for package: libX11-devel-1.6.0-2.2.el6.x86_64
---> Package libX11.i686 0:1.6.4-3.el6 will be installed
--> Processing Dependency: libX11-common = 1.6.4-3.el6 for package: libX11-1.6.4-3.el6.i686
--> Processing Dependency: libxcb.so.1 for package: libX11-1.6.4-3.el6.i686
---> Package libX11.x86_64 0:1.6.4-3.el6 will be an update
--> Running transaction check
---> Package libX11-common.noarch 0:1.6.0-2.2.el6 will be updated
---> Package libX11-common.noarch 0:1.6.4-3.el6 will be an update
---> Package libX11-devel.x86_64 0:1.6.0-2.2.el6 will be updated
---> Package libX11-devel.x86_64 0:1.6.4-3.el6 will be an update
--> Processing Dependency: pkgconfig(xcb) >= 1.11.1 for package: libX11-devel-1.6.4-3.el6.x86_64
---> Package libxcb.x86_64 0:1.9.1-2.el6 will be updated
---> Package libxcb.i686 0:1.12-4.el6 will be installed
--> Processing Dependency: libXau.so.6 for package: libxcb-1.12-4.el6.i686
---> Package libxcb.x86_64 0:1.12-4.el6 will be an update
--> Running transaction check
---> Package libXau.i686 0:1.0.6-4.el6 will be installed
---> Package libxcb-devel.x86_64 0:1.9.1-2.el6 will be updated
---> Package libxcb-devel.x86_64 0:1.12-4.el6 will be an update
public_ol6_latest/filelists | 69 MB 00:32
http://public-yum.oracle.com/repo/OracleLinux/OL6/latest/x86_64/repodata/filelists.xml.gz: [Errno -1] Metadata file does not match checksum
Trying other mirror.
Error: failure: repodata/filelists.xml.gz from public_ol6_latest: [Errno 256] No more mirrors to try.
[root@localhost Desktop]#