> I have executed the following command at centos pc and command output are > placed below > [root at localhost ~]# rpm -qa | grep -i -e selinux > libselinux-devel-1.19.1-7.2 > selinux-doc-1.14.1-1 > libselinux-1.19.1-7.2 > selinux-policy-targeted-sources-1.17.30-2.140 > selinux-policy-targeted-1.17.30-2.140 > [root at localhost ~]# cat /proc/cmdline > auto BOOT_IMAGE=linux ro BOOT_FILE=/boot/vmlinuz-2.6.9-42.EL rhgb quiet > root=LABEL=/ > > Regards > -S.Balaji Did you try my previous suggestion of adding "selinux=1 enforcing=1" to the kernel line in your grub.conf? While you're at it .. make sure that you're editing /boot/grub/grub.conf .. most people use /etc/grub.conf .. which is a symlink to /boot/grub/grub.conf .. if the symlink is broken and /etc/grub.conf is an independent file, you can edit it all day and not affect grub. Same goes for /etc/selinux/config which is the real file, and /etc/sysconfig/selinux which is what most people edit. Barry