The boot parameters you can use are:
General boot options
+General boot options
Press <TAB> to add additional options.
bootdisks and isolinux directories). Add lowmem if you have less that 400MB of memory of to prevent these directories to be copied.
@@ -156,12 +157,12 @@
During boot you will be prompted for the keyboard configuration, avoid this by using
kk (example: setkmap=de for German keyboards)
-/dev/sda6, use rescuecd root=/dev/sda6 to start it. Keep in mind that you must use a 64bit kernel if your system is made of 64bit programs. This option works with LVM volumes. Use rescuecd root=/dev/VolGroup00/LogVol00. Support is also provided for root=auto, which scans all the block devices tfor a linux system. The first linux system found will be started. So with root=auto let you start the system installed from the CD-ROM in case you have problem with your boot loader or kernel. It's also possible to specify a partition using its filesystem label or filesystem uuid. If the label of the partition where linux is installed is mylinux, then boot it using rescuecd root=LABEL=mylinux. Similarly root=UUID=b3d3bec5-997a-413e-8449-0d0ec41ccba7. See more details.
+/dev/sda6, use rescuecd root=/dev/sda6 to start it. Keep in mind that you must use a 64bit kernel if your system is made of 64bit programs. This option works with LVM volumes. Use rescuecd root=/dev/VolGroup00/LogVol00. Support is also provided for root=auto, which scans all the block devices tfor a linux system. The first linux system found will be started. So with root=auto let you start the system installed from the CD-ROM in case you have problem with your boot loader or kernel. It's also possible to specify a partition using its filesystem label or filesystem uuid. If the label of the partition where linux is installed is mylinux, then boot it using rescuecd root=LABEL=mylinux. Similarly root=UUID=b3d3bec5-997a-413e-8449-0d0ec41ccba7. See more details.
initscript=samba:start. This does the same thing as /etc/init.d/samba start. Use this option multiple times for different services. All the actions that are supported by an initscript can be used.
-backstore=off on the boot command line. If you want to save your backing-store file on an harddisk, boot with backstore=alldev to scan all devices (not just removable devices). The default location for backing-stores file is any file named sysrcd.bs located at the root of a disk which is often an USB stick. Change the path by using backstore=/sysrcd/mybackstore.bs. See backing-stores.
-systemrescuecd-x86-x.y.z.iso on a partition that Grub2 can read then you can boot SystemRescueCd directly from the ISO image stored on your hard drive. This is very convenient if you frequently update SystemRescueCd and you want to boot it directly from Grub2. Grub2 knows what an ISO image is and it will load the kernel image (rescuecd/rescue64) and the initramfs (initram.igz) from the ISO into memory. It will then do its normal job and execute the kernel. The SystemRescueCd init script must then be aware that its sysrcd.dat file is in an ISO and not directly on the partition. For that reason, this isoloop=xxx boot option is required so you must use it in your grub.cfg. This option is only supported in SystemRescueCd-1.4.0 and more recent. This option specifies the path of the ISO image in the partition that grub considers as its root partition. It's important to understand that the path of the ISO image may be different from the path on your linux system. If you have a separate boot partition mounted on /boot and if you copy this ISO image to /boot/sysrcd/systemrescuecd-x86-x.y.z.iso then the option has to be isoloop=/sysrcd/systemrescuecd-x86-x.y.z.iso. This is because the boot partition is what Grub2 will consider as its root partition during the boot process. Please read the section about isoloop for more details.
+backstore=off on the boot command line. If you want to save your backing-store file on an harddisk, boot with backstore=alldev to scan all devices (not just removable devices). The default location for backing-stores file is any file named sysrcd.bs located at the root of a disk which is often an USB stick. Change the path by using backstore=/sysrcd/mybackstore.bs. See backing-stores.
+systemrescuecd-x86-x.y.z.iso on a partition that Grub2 can read then you can boot SystemRescueCd directly from the ISO image stored on your hard drive. This is very convenient if you frequently update SystemRescueCd and you want to boot it directly from Grub2. Grub2 knows what an ISO image is and it will load the kernel image (rescuecd/rescue64) and the initramfs (initram.igz) from the ISO into memory. It will then do its normal job and execute the kernel. The SystemRescueCd init script must then be aware that its sysrcd.dat file is in an ISO and not directly on the partition. For that reason, this isoloop=xxx boot option is required so you must use it in your grub.cfg. This option is only supported in SystemRescueCd-1.4.0 and more recent. This option specifies the path of the ISO image in the partition that grub considers as its root partition. It's important to understand that the path of the ISO image may be different from the path on your linux system. If you have a separate boot partition mounted on /boot and if you copy this ISO image to /boot/sysrcd/systemrescuecd-x86-x.y.z.iso then the option has to be isoloop=/sysrcd/systemrescuecd-x86-x.y.z.iso. This is because the boot partition is what Grub2 will consider as its root partition during the boot process. Please read the section about isoloop for more details.
Hardware, drivers and troubleshooting options
Hardware, drivers and troubleshooting options
doload=3c59x)
@@ -187,7 +188,7 @@
skipmount=/dev/sda1 skipmount=/dev/sda2 to ignore these two partitions.
Network configuration and remote access
Network configuration and remote access
/cidr extension is optional. For instance, if you use option ethx=192.168.0.1 on a machine with two ethernet adapters, both eth0 and eth1 will be configured with 192.168.0.1. You can use the format ethx=10.0.0.1/24 (using the cidr notation) if you don't use the default netmask.
ethx=ipaddr/cidr but it configures only one interface at a time. To configure the network on a server that has two interfaces, use: eth0=192.168.10.1/24 eth1=192.168.20.1.
@@ -195,12 +196,12 @@
gateway=192.168.0.254 means that the computer can connect to a computer outside of the local network via 192.168.0.254.
1234. That way you can connect from the network and ssh on the livecd and give 123456 password as the root password.
-x with the number of displays you want, and 123456 with your password The password must be between 5 and 8 characters, else the boot option will be ignored. In other words the vncserver=2:MyPaSsWd option will give you access to two displays (display=1 on tcp/5901 and display=2 on tcp/5902). Display 0 is reserved for X.Org since SystemRescueCd-1.1.0.
-nameif=eth0!00:0C:29:57:D0:6E,eth1!00:0C:29:57:D0:64. Be careful, you have to respect the separator (comma between the interfaces and exclamation marks between the name and the mac address).
+x with the number of displays you want, and 123456 with your password The password must be between 5 and 8 characters, else the boot option will be ignored. In other words the vncserver=2:MyPaSsWd option will give you access to two displays (display=1 on tcp/5901 and display=2 on tcp/5902). Display 0 is reserved for X.Org since SystemRescueCd-1.1.0.
+nameif=eth0!00:0C:29:57:D0:6E,eth1!00:0C:29:57:D0:64. Be careful, you have to respect the separator (comma between the interfaces and exclamation marks between the name and the mac address).
Network boot using PXE
Network boot using PXE
SystemRescueCd provides several options for booting from the network using PXE.
-These options can be combined with other network boot options such as ethx (cf previous section). See PXE network booting to get a global overview of SystemRescueCd and PXE and Manage remote servers using PXE.
+These options can be combined with other network boot options such as ethx (cf previous section). See PXE network booting to get a global overview of SystemRescueCd and PXE and Manage remote servers using PXE.
The second stage downloads the kernel + initramfs using DHCP/TFTP.
The third stage of the PXE boot process acquires the root files system.
Several protocols are available. @@ -210,10 +211,10 @@
sysrcd.dat. Only NFSv3 can be used, NFSv4 is not supported. NFS it allows computers with smaller memory to boot SystemRescueCd from the network. After the boot process, the connection is required or you will loose the access to the root file system.
sysrcd.dat on ip:port. NBD is easier to configure than NFS (only one TCP port involved) and it allows computers with smaller memort to boot SystemRescueCd from the network. After the boot process, the connection is required the access to the root system.
For information on activating speakup, see the speakup info page. +
For information on activating speakup, see the speakup info page.
-
Options provided for autorun
/dev/sda1), an nfs share (nfs://192.168.1.1:/path/to/scripts), a samba share (smb://192.168.1.1/path/to/scripts), or an http directory (http://192.168.1.1/path/to/scripts).
+
Options provided for autorun
/dev/sda1), an nfs share (nfs://192.168.1.1:/path/to/scripts), a samba share (smb://192.168.1.1/path/to/scripts), or an http directory (http://192.168.1.1/path/to/scripts).
autoruns=0,2,7 the autorun sc autorun0, autorun2, autorun7 are run. Use autoruns=no to disable all the autorun scripts with a number.
/var/autorun/tmp after execution
@@ -248,7 +249,7 @@
-+ + + +live-initramfs(7) ================= @@ -404,113 +408,114 @@ You probably do not want to install this package onto a non-live system, although it will do no harm. -live-initramfs is a fork of link:http://packages.ubuntu.com/casper/[casper]. -casper was originally written by Tollef Fog Heen <tfheen@canonical.com> -and Matt Zimmerman <mdz@canonical.com>. +live-initramfs is a fork of casper. +casper was originally written by Tollef Fog Heen <tfheen@canonical.com> +and Matt Zimmerman <mdz@canonical.com>. Boot options ------------ Here is the complete list of recognized boot parameters by live-initramfs. - access=*ACCESS*:: + access=*ACCESS*:: Set the accessibility level for physically or visually impared users. ACCESS must be one of v1, v2, v3, m1, or m2. v1=lesser visual impairment, v2=moderate visual impairment, v3=blindness, m1=minor motor difficulties, m2=moderate motor difficulties. - console=*TTY,SPEED*:: + console=*TTY,SPEED*:: Set the default console to be used with the "live-getty" option. Example: "console=ttyS0,115200" - debug:: + debug:: Makes initramfs boot process more verbose. - fetch=*URL*:: + fetch=*URL*:: Another form of netboot by downloading a squashfs image from a given url, copying to ram and booting it. - hostname=*HOSTNAME*, username=*USER*, userfullname=*USERFULLNAME*:: + hostname=*HOSTNAME*, username=*USER*, userfullname=*USERFULLNAME*:: Those parameters lets you override values read from the config file. - ignore_uuid + ignore_uuid Do not check that any UUID embedded in the initramfs matches the discovered medium. live-initramfs may be told to generate a UUID by setting LIVE_GENERATE_UUID=1 when building the initramfs. - integrity-check:: + integrity-check:: If specified, an MD5 sum is calculated on the live media during boot and compared to the value found in md5sum.txt found in the root directory of the live media. - ip=**[CLIENT_IP]:[SERVER_IP]:[GATEWAY_IP]:[NETMASK]:[HOSTNAME]:[DEVICE]:[AUTOCONF] - [,[CLIENT_IP]:[SERVER_IP]:[GATEWAY_IP]:[NETMASK]:[HOSTNAME]:[DEVICE]:[AUTOCONF]]***:: + ip=**[CLIENT_IP]:[SERVER_IP]:[GATEWAY_IP]:[NETMASK]:[HOSTNAME]: + [DEVICE]:[AUTOCONF] [,[CLIENT_IP]:[SERVER_IP]:[GATEWAY_IP]:[NETMASK]:[HOSTNAME]: + [DEVICE]:[AUTOCONF]]***:: Let you specify the name(s) and the options of the interface(s) that should be configured at boot time. Do not specify this if you want to use dhcp (default). It will be changed in a future release to mimick official kernel boot param specification (e.g. ip=10.0.0.1::10.0.0.254:255.255.255.0::eth0,:::::eth1:dhcp). - ip[=**frommedia**]:: + ip[=**frommedia**]:: If this variable is set, dhcp and static configuration are just skipped and the system will use the (must be) media-preconfigured /etc/network/interfaces instead. - {keyb|kbd-chooser/method}=**KEYBOARD**, {klayout|console-setup/layoutcode}=**LAYOUT**, - {kvariant|console-setup/variantcode}=**VARIANT**, - {kmodel|console-setup/modelcode}=**CODE**, koptions=**OPTIONS**:: + {keyb|kbd-chooser/method}=**KEYBOARD**, {klayout|console-setup/layoutcode}=**LAYOUT**, + {kvariant|console-setup/variantcode}=**VARIANT**, {kmodel|console-setup/modelcode}= + **CODE**, koptions=**OPTIONS**:: Configure the running keyboard as specified, if this one misses live-initramfs behaves as if "keyb=us" was specified. It will be interfered from "locale=" if locale is only 2 lowecase letters as a special case. You could also specify console layout, variant, code, and options (no defaults). - live-getty:: + live-getty:: This changes the auto-login on virtual terminals to use the (experimental) live-getty code. With this option set the standard kernel argument "console=" is parsed and if a serial console is specified then live-getty is used to autologin on the serial console. - {live-media|bootfrom}=**DEVICE**:: + {live-media|bootfrom}=**DEVICE**:: If you specify one of this two equivalent forms, live-initramfs will first try to find this device for the "/live" directory where the read-only root filesystem should reside. If it did not find something usable, the normal scan for block devices is performed. - {live-media-encryption|encryption}=**TYPE**:: + {live-media-encryption|encryption}=**TYPE**:: live-initramfs will mount the encrypted rootfs TYPE, asking the passphrase, useful to build paranoid live systems :-). TYPE supported so far are "aes" for loop-aes encryption type. - live-media-offset=**BYTES**:: + live-media-offset=**BYTES**:: This way you could tell live-initramfs that your image starts at offset BYTES in the above specified or autodiscovered device, this could be useful to hide the Debian Live iso or image inside another iso or image, to create "clean" images. - live-media-path=**PATH**:: + live-media-path=**PATH**:: Sets the path to the live filesystem on the medium. By default, it is set to '/live' and you should not change that unless you have customized your media accordingly. - live-media-timeout=**SECONDS**:: + live-media-timeout=**SECONDS**:: Set the timeout in seconds for the device specified by "live-media=" to become ready before giving up. - {locale|debian-installer/locale}=**LOCALE**:: + {locale|debian-installer/locale}=**LOCALE**:: Configure the running locale as specified, if not present the live-media rootfs configured locale will be used and if also this one misses live-initramfs behave @@ -520,65 +525,65 @@ (keyb=us). Beside that facility, only UTF8 locales are supported by live-initramfs. - module=**NAME**:: + module=**NAME**:: Instead of using the default optional file "filesystem.module" (see below) another file could be specified without the extension ".module"; it should be placed on "/live" directory of the live medium. - netboot[=**nfs**|**cifs**]:: + netboot[=**nfs**|**cifs**]:: This tells live-initramfs to perform a network mount. The parameter "nfsroot=" (with optional "nfsopts="), should specify where is the location of the root filesystem. With no args, will try cifs first, and if it fails nfs. - nfsopts=:: + nfsopts=:: This lets you specify custom nfs options. - noautologin:: + noautologin:: This parameter disables the automatic terminal login only, not touching gdk/kdm. - noxautologin:: + noxautologin:: This parameter disables the automatic login of gdm/kdm only, not touching terminals. - nofastboot:: + nofastboot:: This parameter disables the default disabling of filesystem checks in /etc/fstab. If you have static filesystems on your harddisk and you want them to be checked at boot time, use this parameter, otherwise they are skipped. - nopersistent:: + nopersistent:: disables the "persistent" feature, useful if the bootloader (like syslinux) has been installed with persistent enabled. - noprompt + noprompt Do not prompt to eject the CD on reboot. - nosudo:: + nosudo:: This parameter disables the automatic configuration of sudo. - swapon:: + swapon:: This parameter enables usage of local swap partitions. - nouser:: + nouser:: This parameter disables the creation of the default user completely. - noxautoconfig:: + noxautoconfig:: This parameter disables Xorg auto-reconfiguration at boot time. This is valuable if you either do the detection on your own, or, if you want to ship a custom, premade xorg.conf in your live system. - persistent[=nofiles]:: + persistent[=nofiles]:: live-initramfs will look for persistent and snapshot partitions or files labeled "live-rw", "home-rw", and files called "live-sn*", "home-sn*" and will try to, @@ -589,39 +594,39 @@ will be searched; no filesystems will be traversed looking for archives or image files. This results in shorter boot times. - {preseed/file|file}=**FILE**:: + {preseed/file|file}=**FILE**:: A path to a file present on the rootfs could be used to preseed debconf database. - package/question=**VALUE**:: + package/question=**VALUE**:: All debian installed packages could be preseeded from command-line that way, beware of blanks spaces, they will interfere with parsing, use a preseed file in this case. - quickreboot:: + quickreboot:: This option causes live-initramfs to reboot without attempting to eject the media and without asking the user to remove the boot media. - showmounts:: + showmounts:: This parameter will make live-initramfs to show on "/" the ro filesystems (mostly compressed) on "/live". This is not enabled by default because could lead to problems by applications like "mono" which store binary paths on installation. - textonly + textonly Start up to text-mode shell prompts, disabling the graphical user interface. - timezone=**TIMEZONE**:: + timezone=**TIMEZONE**:: By default, timezone is set to UTC. Using the timezone parameter, you can set it to your local zone, e.g. Europe/Zurich. - todisk=**DEVICE**:: + todisk=**DEVICE**:: Adding this parameter, live-initramfs will try to copy the entire read-only media to the specified device before mounting the root filesystem. It probably @@ -629,39 +634,39 @@ specify the "live-media=DEVICE" boot parameter with the same DEVICE used this time. - toram:: + toram:: Adding this parameter, live-initramfs will try to copy the whole read-only media to the computer's RAM before mounting the root filesystem. This could need a lot of ram, according to the space used by the read-only media. - union=**aufs**|**unionfs**:: + union=**aufs**|**unionfs**:: By default, live-initramfs uses aufs. With this parameter, you can switch to unionfs. - utc=**yes**|**no**:: + utc=**yes**|**no**:: By default, Debian systems do assume that the hardware clock is set to UTC. You can change or explicitly set it with this parameter. - xdebconf:: + xdebconf:: Uses xdebconfigurator, if present on the rootfs, to configure X instead of the standard procedure (experimental). - xvideomode=**RESOLUTION**:: + xvideomode=**RESOLUTION**:: Doesn't do xorg autodetection, but enforces a given resolution. Files ----- - /etc/live.conf + /etc/live.conf Some variables can be configured via this config file (inside the live system). - /live/filesystem.module + /live/filesystem.module This optional file (inside the live media) contains a list of white-space or carriage-return-separated file names corresponding to disk images in the "/live" @@ -671,7 +676,7 @@ this list will be on the "top" of the aufs, directly below /cow. Without this file, any images in the "/live" directory are loaded in alphanumeric order. -/etc/live-persistence.binds + /etc/live-persistence.binds This optional file (which resides in the rootfs system, not in the live media) is used as a list of directories which not need be persistent: ie. their @@ -693,24 +698,25 @@ ---- Report bugs against live-initramfs -link:http://packages.qa.debian.org/live-initramfs[http://packages.qa.debian.org/live-initramfs]. +http://packages.qa.debian.org/live-initramfs. Homepage -------- More information about the Debian Live project can be found at -link:http://debian-live.alioth.debian.org/[http://debian-live.alioth.debian.org/] and -link:http://wiki.debian.org/DebianLive/[http://wiki.debian.org/DebianLive/]. +http://debian-live.alioth.debian.org/ and +http://wiki.debian.org/DebianLive/. Authors ------- -live-initramfs is maintained by Daniel Baumann <daniel@debian.org> +live-initramfs is maintained by Daniel Baumann <daniel@debian.org> for the Debian project. -live-initramfs is a fork of link:http://packages.ubuntu.com/casper/[casper]. -casper was originally written by Tollef Fog Heen <tfheen@canonical.com> -and Matt Zimmerman <mdz@canonical.com>.+live-initramfs is a fork of casper. +casper was originally written by Tollef Fog Heen <tfheen@canonical.com> +and Matt Zimmerman <mdz@canonical.com>. +