linux工具之dracut

这是一个工具类,不是一个后台服务类

centos7.2-minimal就下面三个包

[root@1st-kvm ~]# rpm -qa|grep dracut
dracut-config-rescue-033-359.el7.x86_64
dracut-033-359.el7.x86_64
dracut-network-033-359.el7.x86_64

[root@222-comecs ~]# rpm -qf /var/log/dracut.log
dracut-004-335.el6.noarch
[root@222-comecs ~]# rpm -ql dracut|more
/etc/dracut.conf
/etc/dracut.conf.d
/etc/logrotate.d/dracut
/sbin/dracut
/sbin/lsinitrd
/sbin/mkinitrd

dracut - low-level tool for generating an initramfs image
   47  dracut aa.img
   49  lsinitrd  aa.img
   50  file aa.img
   51  dracut --print-cmdline
   57  dracut --list-modules|more

lsinitrd shows the contents of an initramfs image. if <image> is omitted, then lsinitrd uses the default image
/boot/<machine-id>/<kernel-version>/initrd or /boot/initramfs-<kernel-version>.img.

[root@222-comecs ~]# cat /etc/dracut.conf
# Sample dracut config file

# Specific list of dracut modules to use
#dracutmodules+=""

# Dracut modules to omit
#omit_dracutmodules+=""

# Dracut modules to add to the default
#add_dracutmodules+=""

# additional kernel modules to the default
#add_drivers+=""

# list of kernel filesystem modules to be included in the generic initramfs
#filesystems+=""

# build initrd only to boot current hardware
#hostonly="yes"
#

# install local /etc/mdadm.conf
mdadmconf="yes"

# install local /etc/lvm/lvm.conf
lvmconf="yes"

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