Issue: dracut fails when you trying to create initramfs image file.
[root@linux_server1 boot]# dracut -f /boot/initramfs-2.6.39-400.298.2.el6uek.x86_64.img 2.6.39-400.298.2
E: Failed to install /etc/system-fips
[root@linux_server1 boot]# ls -l /boot/initramfs-2.6.39-400.298.2.el6uek.x86_64.img
ls: cannot access /boot/initramfs-2.6.39-400.298.2.el6uek.x86_64.img: No such file or directory
Fix / Solution: Touch /etc/system-fips and try again.
[root@linux_server1 boot]# touch /etc/system-fips
[root@linux_server1 boot]# dracut -f /boot/initramfs-2.6.39-400.298.2.el6uek.x86_64.img 2.6.39-400.298.2.el6uek.x86_64
[root@linux_server1 boot]# ls -l /boot/initramfs-2.6.39-400.298.2.el6uek.x86_64.img
-rw------- 1 root root 31035863 May 21 03:06 /boot/initramfs-2.6.39-400.298.2.el6uek.x86_64.img
Hope this helps..!