I would like to understand if, and how, it is possible to configure default kernel boot parameters on Red Hat 6 / CentOS 6 (grub legacy bootloader).
I very well understand how to manually configure the required parameters: I simply have to edit /etc/grub.conf and edit the specific stanza. However, a similar configuration will not last a kernel update: the new stanza will be configured with default kernel boot parameters.
Newer system (eg: RHEL7) use grub2 and the /etc/default/grub file and the GRUB_CMDLINE_LINUX variable to solve that specific problem.
So my question is: it is possible to specify system-wide, default kernel boot parameters and let these parameters to be the default settings for new kernels (updated via YUM/RPM) also?