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77 <H2>Clonezilla-SysRescCD</H2>
78 <H3>Offline Documentation: Boot parameters</H3>
79 <div style="margin:0; padding: 3px; width: 980; position relative;">
80 <div style="position: absolute; left: 0px;"><H4>26/03/2010 - v 3.1.0</H4></div>
81 <div style="position: absolute; right: 0px;"><H4>Last update: 18/05/2010</H4></div>
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102 <!-- Intro -->
103
104 <H2 style="margin-top: 0;"><a name="boot-intro"></a>Intro <span class="hideprint">[<a href="#boot-top" title="go to top of the page">^</a>]</span></H2>
105 <p>Booting a linux system means loading a kernel, which is actually the operating system. Well, this is not exactly true, and it is not the only thing that happens during boot up phase, but it is not my intension to explain it here.
106 <br><br>
107 The kernel is loaded by Isolinux (the CD boot manager), which is able to pass a number of parameters to it, through its configuration file <b>isolinux.cfg</b>.
108 <br><br>
109 These parameters, called boot parameters, are documented by the kernel itself, and can differentiate its behavior dramatically. In our case, each CD (SystemRescueCD and Clonezilla Live) accept a different set of parameters, because they are based on <a href="http://www.gentoo.org/" target="_blank">gentoo</a> and <a href="http://www.debian.org/" target="_blank">debian</a>, respectively.
110 <br><br>
111 While in the splash screen of <b>Clonezilla-SysRescCD</b>, you can edit the boot parameters by pressing TAB. They will be presented to you, and you can add or remove what you want. You must be careful not to change or remove the parameters that are dedicated to the CD itself, as altering them will certainty make it unbootable. When you are done, just press ENTER to boot.
112 </p>
113
114
115 <!-- sysresccd -->
116 <H2><a name="sysresccd"></a>SystemRescueCD boot parameters <span class="hideprint">[<a href="#boot-top" title="go to top of the page">^</a>]</span></H2>
117 <!-- note -->
118 <div align="center"><table class="note" border="0" cellpadding="20"><tr><td valign="top"><img src="images/info.png"></td><td>
119 The following info applies to <b>SystemRescueCD v. 1.3.5</b>. In case<br>
120 you need to get info for a more recent version of <b>SystemRescueCD</b><br>
121 please see the page "<a href="http://www.sysresccd.org/Sysresccd-manual-en_Booting_the_CD-ROM" target="_blank">Sysresccd-manual-en Booting the CD-ROM</a>"
122 </td></tr></table></div>
123 <p>A typical sysresccd isolinux entry is:</p>
124
125 <p class="newcode">kernel rescuecd<br>
126 append initrd=initram.igz video=ofonly</p>
127 <!--empty-line-->
128 <p>The kernel used is <b>rescuecd</b>, and anything after the word <b>append</b> is a boot parameter.<br><br>
129 <!--empty-line-->
130 Available kernels (boot images):</p>
131
132 <ul class="otherpage" style="padding: 0px 10px 20px 40px">
133 <li><b>rescuecd</b> This is the default choice for 32bits systems, with Framebuffer disabled, best choice.</li>
134 <li><b>altker32</b> This is an alternative kernel for 32bits systems. Boot with this kernel in case you have problems with rescuecd. altker32 was named vmlinuz2 in versions prior to SystemRescueCd-1.0.0.</li>
135 <li><b>rescue64</b> This is the default 64 bits kernel. Use it if you want to chroot to a 64bits linux system installed on your hard disk, or if you have to run 64 bits programs. This kernel is able to boot SystemRescueCd from the cdrom with 32bits programs, and it required a processor with 64bits instructions (amd64 / em64t).</li>
136 <li><b>altker64</b> This is an alternative kernel for 64bits systems. Boot with this kernel in case you have problems with rescue64. Only available from SystemRescueCd-1.0.0 and newer.</li>
137 </ul>
138
139
140 <p><br>The boot parameters you can use are:</p>
141
142
143 <div class="otherpage">
144 <!-- Please do not delete these comented lines-->
145 <!-- SysRescCD documentation section. Please use "update-boot-params" script to update -->
146 <!--SysRescCD-Documentation-->
147 <a name="General_boot_options" id="General_boot_options"></a><p><b> <span class="mw-headline">General boot options</span></b></p>
148 <p>Press &lt;TAB&gt; to add additional options.
149 </p>
150 <ul><li><b>docache</b>: causes the CD-ROM will be fully loaded into memory. A slower start but once complete, programs start faster and the CD drive will be released allowing normal access to other CDs. This requires 400MB of memory to cache everything (including the <code>bootdisks</code> and <code>isolinux</code> directories). Add <code>lowmem</code> if you have less that 400MB of memory of to prevent these directories to be copied.
151 </li></ul>
152 <p>During boot you will be prompted for the keyboard configuration, avoid this by using
153 </p>
154 <ul><li><b>setkmap=kk</b>: which defines the keymap to load where <code>kk</code> (example: <code>setkmap=de</code> for German keyboards)
155 </li><li><b>root=/dev/xdnp</b>: the <a href="http://www.sysresccd.org/news/2008/06/05/use-systemrescuecd-to-boot-a-linux-os-from-the-hard-disk/" class="external text" title="http://www.sysresccd.org/news/2008/06/05/use-systemrescuecd-to-boot-a-linux-os-from-the-hard-disk/" rel="nofollow">root=&lt;device&gt; option</a> boots an existing linux system. For example, if you have linux Gentoo installed on <code>/dev/sda6</code>, use <code>rescuecd root=/dev/sda6</code> 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 <code>rescuecd root=/dev/VolGroup00/LogVol00</code>. Support is also provided for <code>root=auto</code>, which scans all the block devices tfor a linux system. The first linux system found will be started. So with <code>root=auto</code> 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 <code>filesystem label</code> or <code>filesystem uuid</code>. If the label of the partition where linux is installed is <code>mylinux</code>, then boot it using <code>rescuecd root=LABEL=mylinux</code>. Similarly <code>root=UUID=b3d3bec5-997a-413e-8449-0d0ec41ccba7</code>. See <a href="http://www.sysresccd.org/news/2008/06/05/use-systemrescuecd-to-boot-a-linux-os-from-the-hard-disk/" class="external text" title="http://www.sysresccd.org/news/2008/06/05/use-systemrescuecd-to-boot-a-linux-os-from-the-hard-disk/" rel="nofollow">more details</a>.
156 </li><li><b>initscript=service:action</b>: This options allows start/stop a service at boot time. For instance if you need the samba service to be started, you can boot with: <code>initscript=samba:start</code>. This does the same thing as <code>/etc/init.d/samba start</code>. Use this option multiple times for different services. All the actions that are supported by an initscript can be used.
157 </li><li><b>backstore=xxx</b>: SystemRescueCd comes with support for the <a href="http://www.sysresccd.org/news/2008/06/29/creating-a-backing-store-to-keep-your-modifications-in-sysresccd/" class="external text" title="http://www.sysresccd.org/news/2008/06/29/creating-a-backing-store-to-keep-your-modifications-in-sysresccd/" rel="nofollow">backing-stores</a>. A backing-store saves all the changes you can make. so that you keep these changes the next time you boot it. By default, sysresccd automatically scan removable devices (eg: USB sticks) at boot time and uses the first backing-store it finds. A backing-store is not mandatory and it the scan fails it will store the files which change in memory. To disable the disks scan at boot time specify <code>backstore=off</code> on the boot command line. If you want to save your backing-store file on an harddisk, boot with <code>backstore=alldev</code> to scan all devices (not just removable devices). The default location for backing-stores file is any file named <code>sysrcd.bs</code> located at the root of a disk which is often an USB stick. Change the path by using <code>backstore=/sysrcd/mybackstore.bs</code>. See <a href="http://www.sysresccd.org/news/2008/06/29/creating-a-backing-store-to-keep-your-modifications-in-sysresccd/" class="external text" title="http://www.sysresccd.org/news/2008/06/29/creating-a-backing-store-to-keep-your-modifications-in-sysresccd/" rel="nofollow">backing-stores</a>.
158 </li><li><b>isoloop=xxx</b>: Grub2 (currently in development: grub-1.98) provides a new feature to boot from an ISO image which is stored from the hard disk. If you put a copy of <code>systemrescuecd-x86-x.y.z.iso</code> 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 <code>sysrcd.dat</code> file is in an ISO and not directly on the partition. For that reason, this <code>isoloop=xxx</code> boot option is required so you must use it in your <code>grub.cfg</code>. 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 <code>/boot</code> and if you copy this ISO image to <code>/boot/sysrcd/systemrescuecd-x86-x.y.z.iso</code> then the option has to be <code>isoloop=/sysrcd/systemrescuecd-x86-x.y.z.iso</code>. This is because the boot partition is what Grub2 will consider as its root partition during the boot process. Please read <a href="http://www.sysresccd.org/Sysresccd-manual-en_Easy_install_SystemRescueCd_on_harddisk#Boot_the_ISO_image_from_the_disk_using_Grub2" title="Sysresccd-manual-en Easy install SystemRescueCd on harddisk">the section about isoloop</a> for more details.
159 </li></ul>
160 <a name="Hardware.2C_drivers_and_troubleshooting_options" id="Hardware.2C_drivers_and_troubleshooting_options"></a><p><b><br> <span class="mw-headline">Hardware, drivers and troubleshooting options</span></b></p>
161 <ul><li><b>dodebug</b>: Enables verbose messages in linuxrc
162 </li></ul>
163 <ul><li><b>doload=xxx</b>: loads needed modules, multiple occurrences are permitted (example: <code>doload=3c59x</code>)
164 </li><li><b>noload=xxx</b>: prevents loading modules, multiple occurrences are permitted (example: <code>noload=3c59x</code>). Use this option if you have a problem when the system loads a particular module.
165 </li><li><b>nonet</b>: this will disable the network auto detection at startup
166 </li></ul>
167 <ul><li><b>scandelay=x</b>: pauses x seconds during the startup to allow slow devices to initialize. This is required when you boot an USB device. A delay of only few seconds should be enough.
168 </li></ul>
169 <ul><li><b>doxdetect</b>: Since version 0.3.5 the auto-configuration is done in X.Org itself, mkxf86config is disabled by default. This option forces the system to run the mkxf86config startup script and to run the hardware auto-detection from this script. Use this option if you have problems with the graphical environment configuration. This option replaces the option <code>noxdetect</code> that was useful in previous versions.
170 </li><li><b>nodetect</b>: prevents generic hardware auto-detection. Use this option if you have problems with the hardware auto-detection.
171 </li></ul>
172 <ul><li><b>dostartx</b>: load the X.Org graphical environment.
173 </li><li><b>forcevesa</b>: Forces X.Org to use the safe VESA driver instead of the best video driver detected for your video card. Use this option if you cannot get the graphical environment working with the default options.
174 </li><li><b>forcevesa=xxx</b>: The <code>startx</code> command will load the <code>Xvesa</code> server instead of <code>Xorg</code>, and use the screen resolution given as parameter (eg: <code>1024x768</code>, <code>1280x1024x32</code>).
175 </li></ul>
176 <ul><li><b>all-generic-ide</b>: In case of problems related to your hard disk, try to enable this option (eg <code>rescuecd all-generic-ide</code>)
177 </li><li><b>nodmraid</b>: Disable dmraid, for some motherboards with built-in RAID controller.
178 </li><li><b>nomdadm</b>: Disable mdadm, for software RAID.
179 </li></ul>
180 <ul><li><b>acpi-off</b> / <b>noapic</b> / <b>irqpool</b>: use these options if you have problem when the kernel boots: if it hangs on a driver or if it crashes, ...
181 </li></ul>
182 <ul><li><b>lowmem</b>: For systems with smaller memory, some daemons are not started including sshd and nfsd.
183 </li></ul>
184 <ul><li><b>skipmount=/dev/xxx</b>: The system mounts all the storage devices at boot time to find the sysrcd.dat file. If your hard disk is broken it should be mounted. Boot with <code>skipmount=/dev/sda1 skipmount=/dev/sda2</code> to ignore these two partitions.
185 </li></ul>
186 <a name="Network_configuration_and_remote_access" id="Network_configuration_and_remote_access"></a><p><b><br> <span class="mw-headline">Network configuration and remote access</span></b></p>
187 <ul><li><b>dodhcp</b>: to request a DHCP server provide network attributes including an IP address, gateway... . otherwise,
188 </li><li><b>ethx=ipaddr/cidr</b>: Sets the static IP address of all the ethernet interfaces on the system. The <code>/cidr</code> extension is optional. For instance, if you use option <code>ethx=192.168.0.1</code> on a machine with two ethernet adapters, both <code>eth0</code> and <code>eth1</code> will be configured with <code>192.168.0.1</code>. You can use the format <code>ethx=10.0.0.1/24</code> (using the cidr notation) if you don't use the default netmask.
189 </li><li><b>eth0=ipaddr/cidr</b>: This option is similar to <code>ethx=ipaddr/cidr</code> but it configures only one interface at a time. To configure the network on a server that has two interfaces, use: <code>eth0=192.168.10.1/24 eth1=192.168.20.1</code>.
190 </li><li><b>dns=ipaddr</b>: Sets the static IP address of the DNS nameserver you want to use to resolve the names. For instance <code>dns=192.168.0.254</code> means that you want to use <code>192.168.0.254</code> as the DNS server.
191 </li><li><b>gateway=ipaddr</b>: Sets the static IP address of the default route on your network. For instance <code>gateway=192.168.0.254</code> means that the computer can connect to a computer outside of the local network via <code>192.168.0.254</code>.
192 </li><li><b>dhcphostname=myhost</b>: Sets the hostname that the DHCP client will send to the DHCP server. This may be required if the default hostname cannot be used with your DHCP configuration. This option has been introduced in SystemRescueCd-1.3.5.
193 </li><li><b>rootpass=123456</b>: Sets the root password of the system running on the livecd to <code>1234</code>. That way you can connect from the network and ssh on the livecd and give <code>123456</code> password as the root password.
194 </li><li><b>vncserver=x:123456</b>: The <a href="http://www.sysresccd.org/news/2008/04/12/use-systemrescuecd-remotely-with-vnc-server/" class="external text" title="http://www.sysresccd.org/news/2008/04/12/use-systemrescuecd-remotely-with-vnc-server/" rel="nofollow">vncserver boot option</a> has been introduced in SystemRescueCd-1.0.2. This options forces the system to configure the VNC-server and to start it automatically at boot time. You have to replace <code>x</code> with the number of displays you want, and <code>123456</code> with your password The password must be between 5 and 8 characters, else the boot option will be ignored. In other words the <code>vncserver=2:MyPaSsWd</code> 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.
195 </li><li><b>nameif=xxx</b>: You can can <a href="http://www.sysresccd.org/news/2008/06/28/option-to-define-the-name-of-a-network-interface-using-the-mac-address/" class="external text" title="http://www.sysresccd.org/news/2008/06/28/option-to-define-the-name-of-a-network-interface-using-the-mac-address/" rel="nofollow">specify what interface name to give</a> to a particular interface using the mac address. You need SystemRescueCd-1.1.0 or newer to do that. Here is how you can specify which interface is using which mac address on a machine with two network interfaces: <code>nameif=eth0!00:0C:29:57:D0:6E,eth1!00:0C:29:57:D0:64</code>. Be careful, you have to respect the separator (comma between the interfaces and exclamation marks between the name and the mac address).
196 </li></ul>
197 <a name="Network_boot_using_PXE" id="Network_boot_using_PXE"></a><p><b><br> <span class="mw-headline">Network boot using PXE</span></b></p>
198 <p>SystemRescueCd provides several options for booting from the network using PXE.
199 These options can be combined with other network boot options such as <code>ethx</code> (cf previous section). See <a href="http://www.sysresccd.org/Sysresccd-manual-en_PXE_network_booting" class="external text" title="http://www.sysresccd.org/Sysresccd-manual-en_PXE_network_booting" rel="nofollow">PXE network booting</a> to get a global overview of SystemRescueCd and PXE and <a href="http://www.sysresccd.org/Sysresccd-manual-en_Manage_remote_windows_linux_servers_using_SystemRescueCd" class="external text" title="http://www.sysresccd.org/Sysresccd-manual-en_Manage_remote_windows_linux_servers_using_SystemRescueCd" rel="nofollow">Manage remote servers using PXE</a>.
200 </p><p>The second stage downloads the kernel + initramfs using DHCP/TFTP.
201 </p><p>The third stage of the PXE boot process acquires the root files system.
202 </p><p>Several protocols are available.
203 </p>
204 <ul><li><b>netboot=</b>tftp<b>://ip/path/sysrcd.dat</b>: from a TFTP server. The filesystem is loaded into memory. As a consequence computers with less than 400MB of memory won't be able to boot this way. The system will continue to work if the network is disconnected after the boot process.
205 </li><li><b>netboot=</b>http<b>://ip:port/path/sysrcd.dat</b>: from a Web server. The file system is loaded into memory. Computers with smaller memory won't be able to boot this way. The the system continues to work if the network is disconnected after the boot process.
206 </li><li><b>netboot=</b>nfs<b>://ip:/path</b>: mount an NFSv3 directory. The NFS url must be the path of the directory that contains <code>sysrcd.dat</code>. 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.
207 </li><li><b>netboot=</b>nbd<b>://ip:port</b>: connect to an NBD server configured with <code>sysrcd.dat</code> 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.
208 </li></ul>
209 <p>For information on activating <b>speakup</b>, see the <a href="http://www.sysresccd.org/Speakup-info" title="Speakup-info">speakup info page</a>.
210 </p>
211 <a name="Options_provided_for_autorun" id="Options_provided_for_autorun"></a><p><b><br> <span class="mw-headline">Options provided for autorun</span></b></p>
212 <ul><li><b>ar_source=xxx</b>: place where the autorun are stored. It may be the root directory of a partition (<code>/dev/sda1</code>), an nfs share (<code>nfs://192.168.1.1:/path/to/scripts</code>), a samba share (<code>smb://192.168.1.1/path/to/scripts</code>), or an http directory (<code><a href="http://192.168.1.1/path/to/scripts" class="external free" title="http://192.168.1.1/path/to/scripts" rel="nofollow">http://192.168.1.1/path/to/scripts</a></code>).
213 </li><li><b>autoruns=[0-9]</b>: comma separated list of the autorun scrip to be run. For example <code>autoruns=0,2,7</code> the autorun sc <code>autorun0</code>, <code>autorun2</code>, <code>autorun7</code> are run. Use <code>autoruns=no</code> to disable all the autorun scripts with a number.
214 </li><li><b>ar_ignorefail</b>: continue to execute the scripts chain even if a script failed (returned a non-zero status)
215 </li><li><b>ar_nodel</b>: do not delete the temporary copy of the autorun scripts located in <code>/var/autorun/tmp</code> after execution
216 </li><li><b>ar_disable</b>: completely disable autorun, the simple <code>autorun</code> script will not be executed
217 </li><li><b>ar_nowait</b>: do not wait for a keypress after the autorun script have been executed.
218 </li></ul>
219 </p>
220 </div>
221
222
223 <!-- Clonezilla -->
224 <H2><a name="clonezilla"></a>Clonezilla Live boot parameters <span class="hideprint">[<a href="#boot-top" title="go to top of the page">^</a>]</span></H2>
225 <!-- note -->
226 <div align="center"><table class="note" border="0" cellpadding="20"><tr valign="top"><td><img src="images/info.png"></td><td>
227 The following info applies to <b>Clonezilla Live v. 1.2.3-27</b><br>
228 In case you need to get info for a more recent version of <b>Clonezilla Live</b><br>
229 please see the page "<a href="http://www.clonezilla.org/clonezilla-live/doc/fine-print.php?path=./99_Misc/00_live-initramfs-manual.doc#00_live-initramfs-manual.doc" target="_blank">The boot parameters for Clonezilla live</a>"
230 </td></tr></table></div>
231
232 <p>A typical Clonezilla Live isolinux entry is:</p>
233
234 <p class="newcode"> kernel /live/vmlinuz1<br>
235 append initrd=/live/initrd1.img boot=live union=aufs ocs_live_run="ocs-live-general"<br>
236 ocs_live_extra_param="" ocs_live_keymap="" ocs_live_batch="no" ocs_lang="" vga=791 nolocales</p>
237 <!--empty-line-->
238 <p>The kernel used is <b>vmlinuz</b>, and anything after the word <b>append</b> is a boot parameter.</p>
239 <!--empty-line-->
240
241
242 <p>The following info comes from the page titled <a href="http://www.clonezilla.org/clonezilla-live/doc/fine-print.php?path=./99_Misc/00_live-initramfs-manual.doc#00_live-initramfs-manual.doc" target="_blank">The boot parameters for Clonezilla live</a>.</p>
243
244 <!-- Please do not delete these comented lines-->
245 <!-- Clonezilla documentation section. Please use "update-boot-params" script to update -->
246 <!--Clonezilla-Documentation-->
247 <div class="otherpage">Clonezilla live is based on <a href="http://wiki.debian.org/DebianLive/" target=_blank>Debian live</a> with clonezilla installed. Therefore there are 2 kinds of boot parameters:
248 <ol>
249 <li>Boot parameters from live-initramfs. You can refer to this <a href="#live-initramfs">manual of live-initramfs</a>.
250 <li>Boot parameters specially for Clonezilla. All of them are named as "ocs_*", e.g. ocs_live_run, ocs_live_extra_param, ocs_live_batch, ocs_lang.
251 <ul>
252 <li>ocs_live_run is the main program to run in Clonezilla live to save or restore. or other command. Available program: ocs-live-general, ocs-live-restore or any command you write. Use the Absolute path in Clonezilla live.<br>
253 e.g. ocs_live_run="ocs-live-general"<br>
254 <font color="red">//NOTE// You might have to use "sudo" command inside your own script, or you can assign it like: ocs_live_run="sudo bash /my-clonezilla"</font><br>
255 <li>ocs_live_extra_param will be used only when ocs_live_run=ocs-live-restore (not for ocs-live-general or any other), then it will be passed to ocs-sr. Therefore these parameters are actually those of ocs-sr.<br>
256 e.g. ocs_live_extra_param="-b -c restoredisk sarge-r5 hda"
257 <li>ocs_live_keymap is for keymap used in Clonezilla live. Man install-keymap for more details.<br>
258 e.g. ocs_live_keymap="NONE" (won't change the default layout)<br>
259 ocs_live_keymap="/usr/share/keymaps/i386/azerty/fr-latin9.kmap.gz" (French keyboard)
260 <li>batch mode or not (yes/no), if no, will run interactively.<br>
261 e.g. ocs_live_batch="no"
262 <li>ocs_lang is the language used in Clonezilla live. Available value: en_US.UTF-8, zh_TW.UTF-8... (see $DRBL_SCRIPT_PATH/lang/bash/)
263 e.g. ocs_lang="en_US.UTF-8"
264 <li>ocs_debug (or ocs-debug) is for you to enter command line prompt before any clonezilla-related action is run. This is easier for you to debug.
265 <li>ocs_daemonon, ocs_daemonoff, ocs_numlk, ocs_capslk.<br>
266 Ex. for the first 2 parameters, ocs_daemonon="ssh", then ssh service will be turned on when booting. For the last 2 parameters, use "on" or "off", e.g. ocs_numlk=on to turn on numberlock when booting.
267 <li>ocs_prerun, ocs_prerun1, ocs_prerun2... is for you to run a shell script before Clonezilla is started. E.g. ocs_prerun="/live/image/myscript.sh". If you have more commands to run, you can assign them in the order: ocs_prerun=..., ocs_prerun1=..., ocs_prerun2=.... If more than 10 parameters, remember to use ocs_prerun01, ocs_prerun02..., ocs_prerun11 to make it in order.
268 <li>ocs_live_run_tty. This option allows you to specify the tty where $ocs_live_run is run. By default $ocs_live_run is run on /dev/tty1 only. (It was also on /dev/ttyS0 before, but since Clonezilla live >= 1.2.3-22 no more this due to a problem). If you want to use ttyS0, for example, add live-getty and console=ttyS0,38400n81 in the boot parameter.<br>
269 <font color=red>//NOTE//</font><br>
270 <ul>
271 <li>This parameter was added in Clonezilla live 1.2.3-22 or later.
272 <li>If "live-getty console=$tty,38400n81" are assigned in the boot parameters, ocs_live_run_tty will honor $tty, even other value is assigned to ocs_live_run_tty in boot parameter.
273 <li>It's recommended to assign ocs_lang and ocs_live_keymap in the boot parameters too.
274 </ul>
275 <li>ip, this option allows you to specify the network parameters for network card. In Clonezilla live a patched live-initramfs is used, which is different from the original live-initramfs so that you can assign DNS server, too. Its format is: ip=ethernet port,IP address, netmask, gateway, DNS. E.g. If you want to assing eth0 with IP address 10.0.100.1, netmask 255.255.255.0, gateway 10.0.100.254, DNS server 8.8.8.8, you can assign the following in the boot parameter:<br>
276 ip=eth0,10.0.100.1,255.255.255.0,10.0.100.254,8.8.8.8<br>
277 If more than one network card, you can use ":" to separate them, e.g.:<br>
278 ip=eth0,10.0.100.1,255.255.255.0,10.0.100.254,8.8.8.8:eth1,192.168.120.1,255.255.255.0,192.168.120.254,,<br>
279 <li>Besides, "live-netdev" (yes, not ocs_live_netdev) can be used when using PXE booting, you can force to assign the network device to get filesystem.squashfs. This is useful when there are two or more NICs are linked. E.g. live-netdev="eth1" allows you to force the live-initramfs to use eth1 to fetch the root file system filesystem.squashfs.
280 </ul>
281 </ol>
282 <hr>
283
284 With the above options, we have the following examples:
285 <ol>
286 <li>A PXE config example for you to boot Clonezilla live via PXE, and ssh service is on, the password of account "user" is assigned:<br>
287 ----------------------------------------<br>
288 label Clonezilla Live<br>
289 MENU LABEL Clonezilla Live<br>
290 MENU DEFAULT<br>
291 kernel vmlinuz1<br>
292 append initrd=initrd1.img boot=live union=aufs noswap noprompt vga=788 fetch=tftp://192.168.120.254/filesystem.squashfs usercrypted=bkuQxLqLRuDW6 ocs_numlk="on" ocs_daemonon="ssh"<br>
293 ----------------------------------------<br>
294
295 The usercrypted password is created by:<br>
296 echo YOUR_PASSWORD | mkpasswd -s<br>
297 ("mkpasswd" is from package "whois" in Debian or Ubuntu. Check your GNU/Linux to see which package provides this command if you are not using Debian or Ubuntu. Replace YOUR_PASSWORD with your plain text password, and remember do not put any " in the boot parameters of live-initramfs (while it's ok for those ocs_* boot parameters), i.e. do NOT use something like usercrypted="bkuQxLqLRuDW6").<br>
298 //NOTE// If you do not assign salt to mkpasswd, the encrypted password will not be the same every time you create it.<br>
299 For more about usercrypted discussion, please check the <a href="http://lists.debian.org/debian-live/2008/10/msg00020.html" target=_blank>here</a>.
300 <br><br>
301 <li>How to put your own binary driver in Clonezilla live without modifying /live/filesystem.squashfs:
302 <ul>
303 <li>Boot clonezilla live
304 <li>Become root by running "sudo su -"
305 <li>Copy the dir lsi, which contains a precompiled kernel module matching the running kernel in Clonezilla live and a script to run it, to a working dir, e.g.: <br>
306 cp -r /live/image/lsi /home/partimag
307 <li>cd /home/partimag
308 <li>/opt/drbl/sbin/ocs-live-dev -c -s -i lsi -u lsi -x "ocs_prerun=/live/image/lsi/prep-lsi.sh"
309 <li>/opt/drbl/sbin/ocs-iso -s -i lsi -u lsi -x "ocs_prerun=/live/image/lsi/prep-lsi.sh"
310 <li>///NOTE/// In this example, the 2 files in dir lsi are: megasr.ko (the binary driver) and prep-lsi.sh. The contents of prep-lsi.sh:
311 <pre>
312 ------------------------
313 #!/bin/bash
314 cp -f /live/image/lsi/megasr.ko /lib/modules/`uname -r`/kernel/drivers/block/
315 chown root.root /lib/modules/`uname -r`/kernel/drivers/block/megasr.ko
316 depmod -a modprobe megasr
317 sleep 1
318 ------------------------
319 </pre>
320 </ul>
321
322 <li>To put your customized script with a PXE version of Clonezilla live (You have to use Clonezilla live version 1.2.2-2 or later):<br>
323 In this example, we assume (1) The IP address of your PXE server is 192.168.120.254, (2) the customized script (custom-ocs-2) is put on your PXE server's tftpd root dir (E.g. On DRBL server, the path is /tftpboot/nbi_img/. It might be different in your case if you are not use DRBL server as a PXE server).<br>
324 Therefor your pxelinux.cfg/default file is like:
325 <p>------------------------<br>
326 label Clonezilla Live<br>
327 MENU DEFAULT<br>
328 # MENU HIDE<br>
329 MENU LABEL Clonezilla Live<br>
330 # MENU PASSWD<br>
331 kernel vmlinuz1<br>
332 append initrd=initrd1.img boot=live union=aufs noswap noprompt vga=788 ip=frommedia fetch=tftp://192.168.120.254/filesystem.squashfs ocs_prerun="busybox tftp -g -b 10240 -r custom-ocs-2 -l /tmp/custom-ocs-2 192.168.120.254" ocs_live_run="bash /tmp/custom-ocs-2" ocs_live_keymap="NONE" ocs_live_batch="no" ocs_lang="en_US.UTF-8" nolocales<br>
333 TEXT HELP<br>
334 Boot Clonezilla live via network<br>
335 ENDTEXT<br>
336 <p>------------------------<br>
337 The content of custom-ocs-2 can be like:
338 <pre>
339 ------------------------
340 #!/bin/bash
341 . /opt/drbl/sbin/drbl-conf-functions
342 . /opt/drbl/sbin/ocs-functions
343 . /etc/ocs/ocs-live.conf
344
345 # Load language file
346 ask_and_load_lang_set en_US.UTF-8
347
348 # 1. Mount the clonezilla image home.
349 # Types: local_dev, ssh_server, samba_server, nfs_server
350 prep-ocsroot -t nfs_server
351
352 # 2. Restore the image
353 if mountpoint /home/partimag/ &>/dev/null; then
354 ocs-sr -l en_US.UTF-8 -c -p choose restoredisk ask_user ask_user
355 else
356 [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
357 echo "Fail to find the Clonezilla image home /home/partimag!"
358 echo "Program terminated!"
359 [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
360 fi
361 ------------------------
362 </pre>
363 </li>
364 </ol>
365 </div>
366 <!-- End of copy/paste 3 -->
367
368 <H3><a name="live-initramfs"></a>live-initramfs manual <span class="hideprint">[<a href="#boot-top" title="go to top of the page">^</a>]</span></H3>
369
370 <p>This is the manual of <a href="http://www.clonezilla.org/clonezilla-live/live-initramfs-param.php" target=_blank>live-initramfs</a>
371 <BR>
372 </p>
373
374 <div class="otherpage"><pre>
375 live-initramfs(7)
376 =================
377
378 Name
379 ----
380 live-initramfs - Debian Live initramfs hook
381
382 Synopsis
383 --------
384 BOOT=live
385
386 as kernel parameter at boot prompt.
387
388 Description
389 -----------
390
391 live-initramfs is a hook for the initramfs-tools, used to generate a initramfs
392 capable to boot live systems, such as those created by *live-helper*(7).
393 This includes the Debian Live isos, netboot tarballs, and usb stick images.
394
395 At boot time it will look for a (read-only) media containing a "/live"
396 directory where a root filesystems (often a compressed filesystem image like
397 squashfs) is stored. If found, it will create a writable environment, using
398 aufs, for Debian like systems to boot from.
399
400 You probably do not want to install this package onto a non-live system,
401 although it will do no harm.
402
403 live-initramfs is a fork of link:http://packages.ubuntu.com/casper/[casper].
404 casper was originally written by Tollef Fog Heen &lt;tfheen@canonical.com&gt;
405 and Matt Zimmerman &lt;mdz@canonical.com&gt;.
406
407 Boot options
408 ------------
409
410 Here is the complete list of recognized boot parameters by live-initramfs.
411
412 access=*ACCESS*::
413
414 Set the accessibility level for physically or visually impared users. ACCESS
415 must be one of v1, v2, v3, m1, or m2. v1=lesser visual impairment, v2=moderate
416 visual impairment, v3=blindness, m1=minor motor difficulties, m2=moderate motor
417 difficulties.
418
419 console=*TTY,SPEED*::
420
421 Set the default console to be used with the "live-getty" option. Example:
422 "console=ttyS0,115200"
423
424 debug::
425
426 Makes initramfs boot process more verbose.
427
428 fetch=*URL*::
429
430 Another form of netboot by downloading a squashfs image from a given url,
431 copying to ram and booting it.
432
433 hostname=*HOSTNAME*, username=*USER*, userfullname=*USERFULLNAME*::
434
435 Those parameters lets you override values read from the config file.
436
437 ignore_uuid
438
439 Do not check that any UUID embedded in the initramfs matches the discovered
440 medium. live-initramfs may be told to generate a UUID by setting
441 LIVE_GENERATE_UUID=1 when building the initramfs.
442
443 integrity-check::
444
445 If specified, an MD5 sum is calculated on the live media during boot and
446 compared to the value found in md5sum.txt found in the root directory of the
447 live media.
448
449 ip=**[CLIENT_IP]:[SERVER_IP]:[GATEWAY_IP]:[NETMASK]:[HOSTNAME]:[DEVICE]:[AUTOCONF]
450 [,[CLIENT_IP]:[SERVER_IP]:[GATEWAY_IP]:[NETMASK]:[HOSTNAME]:[DEVICE]:[AUTOCONF]]***::
451
452 Let you specify the name(s) and the options of the interface(s) that should be
453 configured at boot time. Do not specify this if you want to use dhcp (default).
454 It will be changed in a future release to mimick official kernel boot param
455 specification (e.g. ip=10.0.0.1::10.0.0.254:255.255.255.0::eth0,:::::eth1:dhcp).
456
457 ip[=**frommedia**]::
458
459 If this variable is set, dhcp and static configuration are just skipped and the
460 system will use the (must be) media-preconfigured /etc/network/interfaces
461 instead.
462
463 {keyb|kbd-chooser/method}=**KEYBOARD**, {klayout|console-setup/layoutcode}=**LAYOUT**,
464 {kvariant|console-setup/variantcode}=**VARIANT**,
465 {kmodel|console-setup/modelcode}=**CODE**, koptions=**OPTIONS**::
466
467 Configure the running keyboard as specified, if this one misses live-initramfs
468 behaves as if "keyb=us" was specified. It will be interfered from "locale=" if
469 locale is only 2 lowecase letters as a special case. You could also specify
470 console layout, variant, code, and options (no defaults).
471
472 live-getty::
473
474 This changes the auto-login on virtual terminals to use the (experimental)
475 live-getty code. With this option set the standard kernel argument "console=" is
476 parsed and if a serial console is specified then live-getty is used to autologin
477 on the serial console.
478
479 {live-media|bootfrom}=**DEVICE**::
480
481 If you specify one of this two equivalent forms, live-initramfs will first try
482 to find this device for the "/live" directory where the read-only root
483 filesystem should reside. If it did not find something usable, the normal scan
484 for block devices is performed.
485
486 {live-media-encryption|encryption}=**TYPE**::
487
488 live-initramfs will mount the encrypted rootfs TYPE, asking the passphrase,
489 useful to build paranoid live systems :-). TYPE supported so far are "aes" for
490 loop-aes encryption type.
491
492 live-media-offset=**BYTES**::
493
494 This way you could tell live-initramfs that your image starts at offset BYTES in
495 the above specified or autodiscovered device, this could be useful to hide the
496 Debian Live iso or image inside another iso or image, to create "clean" images.
497
498 live-media-path=**PATH**::
499
500 Sets the path to the live filesystem on the medium. By default, it is set to
501 '/live' and you should not change that unless you have customized your media
502 accordingly.
503
504 live-media-timeout=**SECONDS**::
505
506 Set the timeout in seconds for the device specified by "live-media=" to become
507 ready before giving up.
508
509 {locale|debian-installer/locale}=**LOCALE**::
510
511 Configure the running locale as specified, if not present the live-media rootfs
512 configured locale will be used and if also this one misses live-initramfs behave
513 as "locale=en_US.UTF-8" was specified. If only 2 lowercase letter are specified
514 (like "it"), the "maybe wanted" locale is generated (like en:EN.UTF-8), in this
515 case if also "keyb=" is unspecified is set with those 2 lowercase letters
516 (keyb=us). Beside that facility, only UTF8 locales are supported by
517 live-initramfs.
518
519 module=**NAME**::
520
521 Instead of using the default optional file "filesystem.module" (see below)
522 another file could be specified without the extension ".module"; it should be
523 placed on "/live" directory of the live medium.
524
525 netboot[=**nfs**|**cifs**]::
526
527 This tells live-initramfs to perform a network mount. The parameter "nfsroot="
528 (with optional "nfsopts="), should specify where is the location of the root
529 filesystem. With no args, will try cifs first, and if it fails nfs.
530
531 nfsopts=::
532
533 This lets you specify custom nfs options.
534
535 noautologin::
536
537 This parameter disables the automatic terminal login only, not touching gdk/kdm.
538
539 noxautologin::
540
541 This parameter disables the automatic login of gdm/kdm only, not touching
542 terminals.
543
544 nofastboot::
545
546 This parameter disables the default disabling of filesystem checks in
547 /etc/fstab. If you have static filesystems on your harddisk and you want them to
548 be checked at boot time, use this parameter, otherwise they are skipped.
549
550 nopersistent::
551
552 disables the "persistent" feature, useful if the bootloader (like syslinux) has
553 been installed with persistent enabled.
554
555 noprompt
556
557 Do not prompt to eject the CD on reboot.
558
559 nosudo::
560
561 This parameter disables the automatic configuration of sudo.
562
563 swapon::
564
565 This parameter enables usage of local swap partitions.
566
567 nouser::
568
569 This parameter disables the creation of the default user completely.
570
571 noxautoconfig::
572
573 This parameter disables Xorg auto-reconfiguration at boot time. This is valuable
574 if you either do the detection on your own, or, if you want to ship a custom,
575 premade xorg.conf in your live system.
576
577 persistent[=nofiles]::
578
579 live-initramfs will look for persistent and snapshot partitions or files labeled
580 "live-rw", "home-rw", and files called "live-sn*", "home-sn*" and will try to,
581 in order: mount as /cow the first, mount the second in /home, and just copy the
582 contents of the latter in appropriate locations (snapshots). Snapshots will be
583 tried to be updated on reboot/shutdown. Look at live-snapshot(1) for more
584 informations. If "nofiles" is specified, only filesystems with matching labels
585 will be searched; no filesystems will be traversed looking for archives or image
586 files. This results in shorter boot times.
587
588 {preseed/file|file}=**FILE**::
589
590 A path to a file present on the rootfs could be used to preseed debconf
591 database.
592
593 package/question=**VALUE**::
594
595 All debian installed packages could be preseeded from command-line that way,
596 beware of blanks spaces, they will interfere with parsing, use a preseed file in
597 this case.
598
599 quickreboot::
600
601 This option causes live-initramfs to reboot without attempting to eject the
602 media and without asking the user to remove the boot media.
603
604 showmounts::
605
606 This parameter will make live-initramfs to show on "/" the ro filesystems
607 (mostly compressed) on "/live". This is not enabled by default because could
608 lead to problems by applications like "mono" which store binary paths on
609 installation.
610
611 textonly
612
613 Start up to text-mode shell prompts, disabling the graphical user interface.
614
615 timezone=**TIMEZONE**::
616
617 By default, timezone is set to UTC. Using the timezone parameter, you can set it
618 to your local zone, e.g. Europe/Zurich.
619
620 todisk=**DEVICE**::
621
622 Adding this parameter, live-initramfs will try to copy the entire read-only
623 media to the specified device before mounting the root filesystem. It probably
624 needs a lot of free space. Subsequent boots should then skip this step and just
625 specify the "live-media=DEVICE" boot parameter with the same DEVICE used this
626 time.
627
628 toram::
629
630 Adding this parameter, live-initramfs will try to copy the whole read-only media
631 to the computer's RAM before mounting the root filesystem. This could need a lot
632 of ram, according to the space used by the read-only media.
633
634 union=**aufs**|**unionfs**::
635
636 By default, live-initramfs uses aufs. With this parameter, you can switch to
637 unionfs.
638
639 utc=**yes**|**no**::
640
641 By default, Debian systems do assume that the hardware clock is set to UTC. You
642 can change or explicitly set it with this parameter.
643
644 xdebconf::
645
646 Uses xdebconfigurator, if present on the rootfs, to configure X instead of the
647 standard procedure (experimental).
648
649 xvideomode=**RESOLUTION**::
650
651 Doesn't do xorg autodetection, but enforces a given resolution.
652
653 Files
654 -----
655
656 /etc/live.conf
657
658 Some variables can be configured via this config file (inside the live system).
659
660 /live/filesystem.module
661
662 This optional file (inside the live media) contains a list of white-space or
663 carriage-return-separated file names corresponding to disk images in the "/live"
664 directory. If this file exists, only images listed here will be merged into the
665 root aufs, and they will be loaded in the order listed here. The first entry
666 in this file will be the "lowest" point in the aufs, and the last file in
667 this list will be on the "top" of the aufs, directly below /cow. Without
668 this file, any images in the "/live" directory are loaded in alphanumeric order.
669
670 /etc/live-persistence.binds
671
672 This optional file (which resides in the rootfs system, not in the live media)
673 is used as a list of directories which not need be persistent: ie. their
674 content does not need to survive reboots when using the persistence features.
675
676 This saves expensive writes and speeds up operations on volatile data such as
677 web caches and temporary files (like e.g. /tmp and .mozilla) which are
678 regenerated each time. This is achieved by bind mounting each listed directory
679 with a tmpfs on the original path.
680
681
682 See also
683 --------
684
685 live-snapshot(1), initramfs-tools(8), live-helper(7), live-initscripts(7),
686 live-webhelper(7)
687
688 Bugs
689 ----
690
691 Report bugs against live-initramfs
692 link:http://packages.qa.debian.org/live-initramfs[http://packages.qa.debian.org/live-initramfs].
693
694 Homepage
695 --------
696
697 More information about the Debian Live project can be found at
698 link:http://debian-live.alioth.debian.org/[http://debian-live.alioth.debian.org/] and
699 link:http://wiki.debian.org/DebianLive/[http://wiki.debian.org/DebianLive/].
700
701 Authors
702 -------
703
704 live-initramfs is maintained by Daniel Baumann &lt;daniel@debian.org&gt;
705 for the Debian project.
706
707 live-initramfs is a fork of link:http://packages.ubuntu.com/casper/[casper].
708 casper was originally written by Tollef Fog Heen &lt;tfheen@canonical.com&gt;
709 and Matt Zimmerman &lt;mdz@canonical.com&gt;.</pre>
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