3 - iSCSI with username and password
4 - support for live images (dmsquashed live images)
11 - dracut: strip binaries in initramfs
14 strip binaries in the initramfs (default)
17 do not strip binaries in the initramfs
20 Usage: ./dracut-catimages [OPTION]... <initramfs> <base image>
22 Creates initial ramdisk image by concatenating several images from the
24 line and /boot/dracut/
26 -f, --force Overwrite existing initramfs file.
27 -i, --imagedir Directory with additional images to add
28 (default: /boot/dracut/)
29 -o, --overlaydir Overlay directory, which contains files that
30 will be used to create an additional image
31 --nooverlay Do not use the overlay directory
32 --noimagedir Do not use the additional image directory
33 -h, --help This message
34 --debug Output debug information of the build process
35 -v, --verbose Verbose output during the build process
41 - dracut: add --kernel-only and --no-kernel arguments
44 only install kernel drivers and firmware files
47 do not install kernel drivers and firmware files
49 All kernel module related install commands moved from "install"
52 For "--kernel-only" all installkernel scripts of the specified
53 modules are used, regardless of any checks, so that all modules
54 which might be needed by any dracut generic image are in.
56 The basic idea is to create two images. One image with the kernel
57 modules and one without. So if the kernel changes, you only have
60 Grub and the kernel can handle multiple images, so grub entry can
63 title Fedora (2.6.29.5-191.fc11.i586)
65 kernel /vmlinuz-2.6.29.5-191.fc11.i586 ro rhgb quiet
66 initrd /initrd-20090722.img /initrd-kernel-2.6.29.5-191.fc11.i586.img /initrd-config.img
69 the image provided by the initrd rpm
70 one old backup version is kept like with the kernel
72 initrd-kernel-2.6.29.5-191.fc11.i586.img
73 the image provided by the kernel rpm
76 optional image with local configuration files
78 - dracut: add --kmoddir directory, where to look for kernel modules
81 specify the directory, where to look for kernel modules
87 - more generic (all plymouth modules, all keyboards, all console fonts)
88 - more kernel command line parameters (see also man dracut(8))
89 - a helper tool, which generates the kernel command line (dracut-gencmdline)
90 - bridged network boot
91 - a lot of new command line parameter
96 - firmware loading support
97 - new internal queue (initqueue)
98 initqueue now loops until /dev/root exists or root is mounted
100 init now has the following points to inject scripts:
103 scripts for command line parsing
106 scripts to run before udev is started
109 scripts to run before the main udev trigger is pulled
112 runs in parallel to the udev trigger
113 Udev events can add scripts here with /sbin/initqueue.
114 If /sbin/initqueue is called with the "--onetime" option, the script
115 will be removed after it was run.
116 If /initqueue/work is created and udev >= 143 then this loop can
117 process the jobs in parallel to the udevtrigger.
118 If the udev queue is empty and no root device is found or no root
119 filesystem was mounted, the user will be dropped to a shell after
121 Scripts can remove themselves from the initqueue by "rm $job".
124 scripts to run before the root filesystem is mounted
125 NFS is an exception, because it has no device node to be created
126 and mounts in the udev events
129 scripts to mount the root filesystem
130 NFS is an exception, because it has no device node to be created
131 and mounts in the udev events
132 If the udev queue is empty and no root device is found or no root
133 filesystem was mounted, the user will be dropped to a shell after
137 scripts to run before the real init is executed and the initramfs
139 All processes started before should be killed here.
141 The behaviour of the dmraid module demonstrates how to use the new
142 mechanism. If it detects a device which is part of a raidmember from a
143 udev rule, it installs a job to scan for dmraid devices, if the udev
144 queue is empty. After a scan, it removes itsself from the queue.
151 - first public version