I am installing CentOS 6.4 via a kick start file that looks like this in my build:

# install the bootloader (GRUB)
bootloader --location=mbr --driveorder=sda --append="crashkernel=auto"

After the installation I see this in /root/anaconda-ks.cfg

bootloader --location=mbr --driveorder=sda --append="crashkernel=auto rhgb quiet"

The problem is I do not want 'quiet' appended the the kernel parms. quiet gives the moving progress bar during the installation instead of the detail. I want to see the details.

Why does the installation add quiet to the bootloader when I never specified it??

How do I prevent CentOS 6.4 from adding this automatically during installation???


My initial post was wrong.. rhgb kernel parm enables graphical progress bar during boot. So, in my case I needed to get rid of both rhgb and quiet.

Updated my ks.cfg file and added suggested editing in the %post section. Works great now!!!


According to the docs, it seems you can't get rid of it from Kickstart: http://fedoraproject.org/wiki/Anaconda/Kickstart#bootloader

But what you can do is get the command line and the grub config replaced in the post-install (%post) section and delete it from there.

I think this should do:


sed -i -e 's/quiet//' /mnt/sysimage/boot/grub/menu.lst

  • Turns out I needed to get rid of rhgb also. Works perfect now..Thx!!!
    – GoinOff
    Nov 15 '13 at 17:10

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