People who want to secure their Fedora/RHEL system have to: add a BIOS password add a grub password add “rd.shell=0” to the kernel command line Anaconda does add “rd.shell=0” to the kernel command line automatically, if you setup the bootloader with a password.
Lately Kay Sievers and David Herrmann created a UEFI loader stub, which starts a linux kernel with an initrd and a kernel command line, which are COFF sections of the executable. This enables us to create single UEFI executable with a standard distribution kernel, a custom initrd and our own […]
This article shows how to reduce boot time for Fedora 17, but the recipe can also be applied to 18, 19 and 20. The target is to get a fast booting system with NetworkManager running and gdm displaying the login screen as fast as possible. The system I use here […]
To quickly find out, what dracut wants as the kernel command for your current disk setup, fire up: # dracut –print-cmdline It will output something like: root=UUID=8b8b6f91-95c7-4da2-831b-171e12179081 rootflags=rw,relatime,discard,data=ordered rootfstype=ext4 This works for version 032 and newer.