On Sun, Feb 25, 2018 at 8:29 PM wuzhouhui <wuzhouhui14 at mails.ucas.ac.cn> wrote: > I know dracut can update modules in initramfs, but I think it is too > slow. So I'm wondering what is the fastest way to update modules in > initramfs of CentOS 7? `dracut` calls `mkinitrd` which rebuilds the initrd file. . . you could do it manually but that is prone to errors ( https://access.redhat.com/solutions/24029).