http://elchonline.net/ 2010-09-10T13:24:02+02:00 http://elchonline.net/ http://elchonline.net/lib/images/favicon.ico text/html 2006-10-27T19:03:20+02:00 http://elchonline.net/wiki/action?rev=1161968600 Align Menu /** * Aligns a menu. This can be used for menus with icons in order to get a * menu where all menu items are aligned, whether with or without icon. * <p> * It supports the icon and disabled icon, but not the selected disabled * icon. * * @param menu * the menu to align. */ public static void align(MenuElement menu) { MenuElement[] children = menu.getSubElements(); final int maxWidth = getMaxIconWidth(children); for (int i = 0; i < children.length; i++) { … text/html 2008-03-28T15:56:44+02:00 http://elchonline.net/wiki/algorithms?rev=1206716204 Implementations of some algorithms (all implemented by me - if you find errors, please let me know). FIFO Array public class Fifo { /** * The size of the array. This is the number of items + 1. */ private final int arraySize; /** * The number of items that can be stored in the array. */ private final int[] items; /** * Points to the location where the next item will be written. */ private int writeIndex; /** * Points to the location where the next item will be read. … text/html 2009-08-21T12:40:53+02:00 http://elchonline.net/wiki/bash?rev=1250851253 For Loop $ for i in $(seq 1 10); do <command> ; done text/html 2008-03-30T12:28:47+02:00 http://elchonline.net/wiki/bit_manipulation?rev=1206872927 n is the bit number, and 0 is the least significant bit. Set a bit unsigned char a |= (1 << n); Clear a bit unsigned char b &= ~(1 << n); Toggle a bit unsigned char c ^= (1 << n); Test a bit unsigned char e = d & (1 << n); //d has the byte value. text/html 2007-02-06T14:27:44+02:00 http://elchonline.net/wiki/bogofilter?rev=1170768464 Trainieren Alle Mails von einem Verzeichnis zum trainieren verwenden $ find Maildir/INBOX/ -type f | xargs bogofilter -n -B # für Ham $ find Maildir/spam/ -type f | xargs bogofilter -s -B # für Spam text/html 2007-11-07T14:57:23+02:00 http://elchonline.net/wiki/cd_burning?rev=1194443843 Data CD Burn an iso file to a CD or DVD. $ cdrecord -v driveropts=burnfree dev=/dev/hdx <file>.iso Burn a large file (>4GB) to a DVD. This can be done by using iso level 3 or 4. See the man page for more info. growisofs -dvd-compat -Z /dev/dvdrw2 -iso-level 3 -R -J big_file.raw text/html 2006-09-28T09:35:55+02:00 http://elchonline.net/wiki/commands?rev=1159428955 Einige Linux Kommandos. Admin Allgemein * watch - execute a program periodically, showing output fullscreen Netzwerk * ethtool - Display or change ethernet card settings Eine Liste von separat behandelten Kommandos text/html 2008-01-28T21:38:28+02:00 http://elchonline.net/wiki/debian?rev=1201552708 Custom Kernel Follow this Guide to compile a custom kernel. Tips GPG Public Keys Wenn ein public key fehlt, wird eine Nachricht wie folg angezeit: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY key_nr text/html 2009-06-25T12:54:06+02:00 http://elchonline.net/wiki/debian_usb?rev=1245927246 Purpose At home, I have a Linux machine that is currently used as a file server / router / firewall. Now, I’ve bought some new 1TB harddisks in order to increase storage capacity. My mainbord, however, has only 2 SATA ports, and since I would like to have my storage redundant (Raid-1), they are occupied. text/html 2007-08-19T17:37:56+02:00 http://elchonline.net/wiki/digest?rev=1187537876 Java See API Doc for info. Create Digest This implementation uses the MD5 algorithm. There are other implementations, see Crypto Spec public static byte[] md5MessageDigestForByteArrays(byte[]... arrays) throws IOException, NoSuchAlgorithmException { ByteArrayOutputStream bos = new ByteArrayOutputStream(); for (byte[] array : arrays) { bos.write(array); } MessageDigest md = MessageDigest.getInstance("MD5"); md.update(bos.toByteArray()); bos.close(); … text/html 2006-12-19T13:51:52+02:00 http://elchonline.net/wiki/digicam?rev=1166532712 Siehe auch Nikon D80 Reinigung Zum Reinigen der Kamera gibt es folgende Methoden * Rocket Blower (Giottos Rocket Air Blaster erhältlich bei amazon.com * Copperhill Methode * Sensor Brush Methode Hardware, Tips text/html 2007-01-15T11:39:15+02:00 http://elchonline.net/wiki/dokuwiki?rev=1168857555 [Array] DokuWiki is a standards compliant, simple to use wp>Wiki, mainly aimed at creating documentation of any kind. It is targeted at developer teams, workgroups and small companies. It has a simple but powerful Formatting Syntax which makes sure the datafiles remain readable outside the Wiki and eases the creation of structured texts. All data is stored in plain text files -- no database is required. text/html 2006-09-27T20:24:52+02:00 http://elchonline.net/wiki/enumset?rev=1159381492 I’ve found a new way to work with bit-flags in java 5.0. Traditionally, this was done using an int whose bits were set. Since java 5.0, an enum and an EnumSet can be used. The enum defines all values which can be set in the EnumSet. The following is an example how to use it. text/html 2009-04-26T21:10:46+02:00 http://elchonline.net/wiki/exif?rev=1240773046 ExifTool can be used for modifications of metadata in image, audio and video data. text/html 2006-09-28T09:27:35+02:00 http://elchonline.net/wiki/failures_with_solutions?rev=1159428455 This page lists a set of failures that I have encountered on one of my system along with a solution. This page is mostly Gentoo related. Subversion and Apache I’ve just upgraded Apache to 2.0.55 (with apr-0.9.7 and apr-util-0.9.7) and realised, that subversion through WebDAV is no longer working. I got the following error: text/html 2008-10-20T10:12:05+02:00 http://elchonline.net/wiki/ffmpeg?rev=1224490325 X11 grabbing For a screen with a resolution of 1440×900. This creates an mpeg4 video. $ ffmpeg -f x11grab -s 1440x900 -r 25 -i :0.0 -vcodec mpeg4 -s 720x450 -aspect 16:9 x11out.avi text/html 2006-10-27T15:36:19+02:00 http://elchonline.net/wiki/fileutil?rev=1161956179 The following is a class with some helper methods to deal with files in Java. The class has been written for the EODiSP Simulation Framework project. import java.io.*; import java.nio.ByteBuffer; import java.nio.channels.FileChannel; import java.nio.channels.ReadableByteChannel; public class FileUtil { /** * Lock used for {@link #createTempDir(String, String, File)} */ private static Object fileLock = new Object(); /** * Returns the operation system specific temp directory as a Fil… text/html 2007-05-09T10:29:30+02:00 http://elchonline.net/wiki/films?rev=1178699370 2007 imdb>Huozhe (Leben!) 2006 2005 imdb>Peking Opera Blues text/html 2006-10-26T13:11:53+02:00 http://elchonline.net/wiki/find?rev=1161861113 Find is unquestionably useful in many situations. I used it for example in my previous post for the backup with tar. There are a few things which I would like to mention here, because they are a bit tricky to find, or especially useful. only search for certain types You can limit the search to certain types. The different types find knows about it are text/html 2006-12-19T13:53:26+02:00 http://elchonline.net/wiki/hardware?rev=1166532806 Hier eine Liste von Seiten im Bereich Hardware text/html 2006-12-18T16:13:51+02:00 http://elchonline.net/wiki/hetzner_neuer_benutzer?rev=1166454831 Anmeldung Folgende Punkte kann man für eine Anmeldung wählen * Name der Domain: * Datenbanken * Postgres [] * MySQL [] * Mail [] Benutzer anlegen Username: {username} Domäne: {domain}.{tld} Benutzer $ useradd -m {username} $ passwd {username} text/html 2008-06-28T14:47:30+02:00 http://elchonline.net/wiki/hetzner_server?rev=1214657250 Hier sind einige Informationen zum Server, den wir bei Hetzner haben. Hardware Harddisks Die Maschine hat folgende Hardwareausstattung: Gerät Typ Model Grösse/Spec Bemerkung Harddisk ATA SAMSUNG HD160JJ ZM 10 160 GB /dev/hda Harddisk ATA SAMSUNG HD160JJ ZM 10 160 GB /dev/hda Memory ? ? 2 GB - CPU Athlon AMD Athlon(tm) 64 3700+ 2.2 GHz - D… text/html 2006-12-13T10:01:11+02:00 http://elchonline.net/wiki/hetzner_user_doc?rev=1166000471 text/html 2007-06-05T09:02:37+02:00 http://elchonline.net/wiki/iconv?rev=1181026957 Convert all files in a directory from LATIN1 to UTF-8 $ for f in *; do cp "$f" "$f.tmp"; iconv -f LATIN1 -t UTF-8 "$f.tmp" > "$f"; done; rm *.tmp text/html 2007-02-14T10:56:00+02:00 http://elchonline.net/wiki/image_editing?rev=1171446960 ImageMagick Optimize and/or Convert Images ## create 8-bit indexed (palettized) png $ convert imgin.png -colors 256 -depth 8 imgout.png text/html 2009-04-07T14:35:22+02:00 http://elchonline.net/wiki/iptables?rev=1239107722 This is a small iptables script which I run on my Debian servers. #!/bin/sh -e ### BEGIN INIT INFO # Provides: iptables # Required-Start: ifupdown # Required-Stop: # Default-Start: S # Default-Stop: 0 6 # Short-Description: Setup iptable rules. ### END INIT INFO [ -x /sbin/iptables ] || exit 0 . /lib/lsb/init-functions MYNAME="${0##*/}" report() { echo "${MYNAME}: $*" ; } report_err() { log_failure_msg "$*" ; } RUN_DIR=/etc/network/run [ -r /etc/default/iptables ]… text/html 2006-09-27T20:26:07+02:00 http://elchonline.net/wiki/java?rev=1159381567 Hier eine Liste von Seiten im Bereich Java text/html 2006-10-18T14:37:56+02:00 http://elchonline.net/wiki/java_html?rev=1161175076 Java swing supports html (and limited css) for many of its components. See the swing tutorial for an introduction. Especially useful are the JEditorPane and JTextPane classes. List of known tags The following prints a list of known html tags. text/html 2006-10-26T23:35:46+02:00 http://elchonline.net/wiki/java_resources?rev=1161898546 Types of resources A resource in Java can be something like * An image file * A properties file or just any file with some content. ClassLoader In java, there are at least three classloaders * The system class loader (ClassLoader.getSystemClassLoader()) * The current class loader (Class.getClassLoader()) * The context class loader (Thread.currentThread().getContextClassLoader()) text/html 2007-02-14T10:51:53+02:00 http://elchonline.net/wiki/kaktus?rev=1171446713 Wasser Sommer Winter Im Winter brauchen die Kakteen wenig oder kein Wasser (Ruhezeit). Die Ruhezeit ist von Oktober bis März. kaktus1 und kaktus2 brauchen kein Wasser, kaktus3 sollte auch in dieser Zeit ca. jeden Monat einmal gegossen werden. Bilder text/html 2007-02-27T12:23:28+02:00 http://elchonline.net/wiki/kvm?rev=1172575408 Start the installed image $ /usr/local/kvm/bin/qemu -hda vdisk_raw.img -soundhw all -usb -boot c -m 1024 text/html 2007-01-03T14:44:33+02:00 http://elchonline.net/wiki/lftp?rev=1167831873 Parallel Transfers Recently I had the problem of transferring several files from several locations. I wanted to it in parallel to speed up the process. I had all URL‘s saved in a file, one URL per line. The content of the file looks like this http://server1/file1 http://server2/file2 text/html 2007-05-28T22:20:09+02:00 http://elchonline.net/wiki/lvm?rev=1180383609 Locical Volume Management. Description on this page applies for LVM2 only. Structure An LVM is structured like this pv (physical volume) +-- vg (volume groups) +-- lv (logical volumes) Create * Create the physical volume * Create volume groups * Create logical volumes * Create file system on logical volumes text/html 2007-01-26T11:38:03+02:00 http://elchonline.net/wiki/mailman?rev=1169807883 Remove a List $ cd /usr/local/mailman $ bin/rmlist list_name When rmlist is invoked with --archives switch, it will delete the archives as well. This can also be invoked after the list has been deleted. text/html 2007-05-07T16:07:18+02:00 http://elchonline.net/wiki/media_conversion?rev=1178546838 DVD rippen Das mit dem DVD rippen ist ja etwas komplieziert unter Linux. Dennoch hab ich mich entschlossen, dem ein bisschen nachzugehen. Hier also die Anleitung, um einen DVD zu einem mpge4 video (kompatibel mit divx) zu rippen. Dazu benutze ich die Tools, die mit Mplayer mitgeliefert werden. text/html 2007-09-20T16:30:24+02:00 http://elchonline.net/wiki/mercurial?rev=1190298624 Permissions I use ACL permissions for repositories on my server. This can help setting up a repository that serves web pages (thus needs to be accessed by the user running the web server), or give shared access to repositories. Give user apache rw rights on file and rwx rights on directories text/html 2008-01-07T19:39:48+02:00 http://elchonline.net/wiki/mmv?rev=1199731188 mmv is a very powerful tool to rename files and directories based on patterns. The man page is very informative and well written. Check it. But nevertheless, here are the basic commands. rename files in the current directory Lets assume you have a file called foo.mp3 and want to rename it to bar.mp3. Here’s the command. text/html 2008-01-20T21:03:31+02:00 http://elchonline.net/wiki/mysql?rev=1200859411 Backup and Restore First, backup all databases $ mysqldump --user root --password --all-databases > mysql_backup Restore them on the new server/location $ cat mysql_backup | mysql --user root --password On Debian Systems, you might need to restore the permissions for the debian-sys-maint user. This is the case if you get the following error: Access denied for user ‘root’@’localhost‘. You’ll get the password from /etc/mysql/debian.cnf text/html 2008-01-28T21:55:42+02:00 http://elchonline.net/wiki/nc8430?rev=1201553742 Here are a few information concerning the HP nc8430 Laptop. Thermal Zone 0: DTS 1: Thermal Sensor 2: Graphics Controller 3: Battery 4: Current Fan speed (%) used for debug and development. Fan and Noise The fan speed of the nc8430 is, in my opinion, somewhat unfortunate, because it runs too fast and is therefore too loud. There is a largish discussion about this in the HP Forums. I changed the default settings of the fan speed to: text/html 2006-12-19T13:51:26+02:00 http://elchonline.net/wiki/nikon_d80?rev=1166532686 Test for hot pixels You test by taking an exposure in pitch dark, with the lens covered for 1 or more seconds. This is called a “dark frame”. THE EXPOSURE TIME IS CRITICAL! To do this right you have to... * Set the camera to ISO 100. You can take some shots at ISO 200 and 400 i if you want also, I’ll guarantee that they look bad right now. DO NOT USE AUTO ISO, the default setting the CP990 and other cameras. This is because when the camera “sees” that you are taking a picture tha… text/html 2007-01-03T14:37:57+02:00 http://elchonline.net/wiki/openoffice?rev=1167831477 Fonts To add a new font $ /usr/lib/openoffice/program/spadmin Click Fonts... to add the fonts. Look and Feel OpenOffice by default does not look very nice on Linux. This can be tweaked by setting an environment variable which instructs OpenOffice to use the gtk+ settings. text/html 2006-09-28T09:34:59+02:00 http://elchonline.net/wiki/patch?rev=1159428899 create patches apply patches Einfachster Fall, wenn das File und Patchfile im selben Verzeichnis sind und das File im Patchfile ohne Verzeichnisstruktur angegeben ist. $ patch < patch_file SysAdmin, Linux commands text/html 2007-04-08T23:03:22+02:00 http://elchonline.net/wiki/postgres?rev=1176066202 Command Line Postres’ command line interface can be used with $ psql -U <user> <db> Backup and Restore <http://www.postgresql.org/docs/current/static/backup-dump.html> Migrate to a newer Version <http://www.postgresql.org/docs/current/static/migration.html> text/html 2006-09-27T20:25:32+02:00 http://elchonline.net/wiki/programming?rev=1159381532 Hier eine Liste von Seiten im Bereich Programmierung text/html 2007-08-14T09:52:50+02:00 http://elchonline.net/wiki/py_examples?rev=1187077970 Mail Sending mail if you have an MTA. import os msg = '''To: recipient@example.com From: sender@example.com Subject: My Subject Body Text ''' mail_prog = '/usr/bin/sendmail' #open pipe and send message p = os.popen('%s -t' % mail_prog, 'w') p.write(msg) exitcode = p.close() if exitcode: print 'Exit code: %s' % exitcode text/html 2007-01-10T12:24:31+02:00 http://elchonline.net/wiki/raw?rev=1168428271 Programs * ufraw - <http://ufraw.sourceforge.net/> * Light Zone - <http://sonic.net/~rat/lightcrafts/> * Raw Therapee - <http://www.rawtherapee.com/> * BlueMarine - <http://bluemarine.tidalwave.it/> * Raw Studio - <http://www.rawstudio.org> text/html 2006-10-16T22:33:26+02:00 http://elchonline.net/wiki/rsync?rev=1161030806 Beispiele Backup von Musik. Files welche im Original-Verzeichnis nicht mehr vorhanden sind, werden im Backup-Verzeichnis ebenfalls gelöscht. Existierende Dateien werden nicht übertragen, auch wenn timestamp, permission, etc. nicht stimmen. $ rsync --archive --delete --ignore-existing --verbose /path/to/orig/music/ /path/to/backup/music/ text/html 2007-03-23T14:38:44+02:00 http://elchonline.net/wiki/scanner?rev=1174657124 Document conversions PDF To create a PDF from a text file (not using OCR), the following conversion has been proven to be quite fine * Scan the file with a scan resolution of 150 * Save the file * To reduce the file size, convert the PDF with the following instructions. This will replace the original file. text/html 2007-04-02T17:39:10+02:00 http://elchonline.net/wiki/scribble?rev=1175528350 Reisegefühl Ich habe kürzlich das (fast) perfekte Reiseerlebnis gefunden; In der Nacht im Zug, mit April Fool von Beady Belle. Viel Spass beim Reisen... text/html 2006-09-29T12:30:32+02:00 http://elchonline.net/wiki/sip?rev=1159525832 Softphones für Sip <http://www.sflphone.org> (needs <http://www.portaudio.com>) <http://www.phonegaim.com/> <http://yate.null.ro/> <http://www.minisip.org/> <http://www.linphone.org/> <http://openwengo.com/> <http://www.linphone.org/?lang=us&rubrique=1> text/html 2007-03-22T20:27:34+02:00 http://elchonline.net/wiki/spin?rev=1174591654 Syntax Types Type Range bit 0,1 bool true,false byte 0..255 chan 1..255 mtype 1..255 pid 0..255 short -215..215-1 int -231..231-1 unsigned 0..2n-1 skip <=> true <=> 1 # useful if there is no statement to be done. break # return from a repetition loop (do::od) or an if stmt (if::fi) text/html 2006-10-10T21:00:45+02:00 http://elchonline.net/wiki/ssh_tunnel?rev=1160506845 ssh -> proxytunnel | Internet | -> apache -> sshd Vorbereitung Zuerst muss apache so eingerichtet werden, ... OpenSSH Forward Proxy Kann dazu verwendet werden um auf einen beliebigen Port einer beliebigen Maschine durch einen Tunnel eine Verbindung herzustellen. text/html 2008-12-08T15:41:26+02:00 http://elchonline.net/wiki/ssl_certificates?rev=1228747286 Hier eine Anleitung, um auf einem Gentoo System selbst signierte Zertifikate für Mail (SMTP) und fürs Web zu erstellen. Die Zertifikate werden auf meiner Maschine von Postfix, BincIMAP und Apache benutzt. Postfix Zertifikate erstellen Vorbereitung * Im Verzeichnis /etc/ssl/ muss zuerst die Datei openssl.cnf auf die eigenen Bedürfnisse angepasst werden. * Im Verzeichnis /etc/ssl/misc/ gibt es scrips, welche das erstellen von Zertifikaten erleichtern. text/html 2007-07-06T21:52:01+02:00 http://elchonline.net/wiki/svn_sync?rev=1183751521 A nice thing about Dokuwiki is, that it is file-based. Thus, you can put the files into a SVN (or whatever) repository. This gives you the flexibility to either edit the files directly in DW, or to edit them locally in an editor. Here is a method to keep the files in sync. text/html 2006-09-28T22:22:51+02:00 http://elchonline.net/wiki/syntax?rev=1159474971 DokuWiki supports some simple markup language, which tries to make the datafiles to be as readable as possible. This page contains all possible syntax you may use when editing the pages. Simply have a look at the source of this page by pressing the Edit this page button at the top or bottom of the page. If you want to try something, just use the playground page. The simpler markup is easily accessible via quickbuttons, too. text/html 2006-09-27T20:35:51+02:00 http://elchonline.net/wiki/sysadmin?rev=1159382151 Hier eine Liste von Seiten im Bereich System Adminstration text/html 2006-12-19T13:50:45+02:00 http://elchonline.net/wiki/tags?rev=1166532645 Folgende Tags sind in diesem Wiki vorghanden / This wiki uses the following tags * Java * SysAdmin * Tools * Tools * Tips * Linux commands * Hardware text/html 2009-05-08T14:18:38+02:00 http://elchonline.net/wiki/tar?rev=1241785118 Tar is useful to create an archive of many files, using also compression algorithms if desired. basic operations To create an archive with tar, use $ tar -cvf archive.tar foo bar This creates an archive name archive.tar from files foo and bar. To untar (or unpack) this archive, use text/html 2008-01-27T17:31:28+02:00 http://elchonline.net/wiki/thunderbird?rev=1201451488 My thunderbird settings. chrome/userChrome.css /* Show icons for menuitems (English only). */ @import url("chrome://global/skin/subskin/menuitems.css"); /* Add a bordered-background to menus (Works for all languages). */ @import url("chrome://global/skin/subskin/menuitems-fancy.css"); /* Alternate the background color of message thread rows. */ /*@import url("chrome://global/skin/subskin/rows.css"); */ text/html 2006-12-19T13:47:15+02:00 http://elchonline.net/wiki/tips?rev=1166532435 Hier eine Liste von Seiten im Bereich Tips text/html 2006-09-27T20:35:31+02:00 http://elchonline.net/wiki/tools?rev=1159382131 Hier eine Liste von Seiten im Bereich Tools text/html 2007-03-27T10:43:00+02:00 http://elchonline.net/wiki/vim_tips?rev=1174984980 Just some hints which might be useful for vim users Movements * To move the cursor to the beginning of the document, type ´gg´ * To move the cursor to the end of the document, type ´G´ * To move the cursor to line 20, type ´20gg´ * To move the cursor to the end of the paragraph, type ´{´ To move it to the beginning, type ´}´ * To move the cursor to the end of a sentence, type ´(´ To move it to the beginning, type ´)´ text/html 2007-02-07T09:27:09+02:00 http://elchonline.net/wiki/volley?rev=1170836829 text/html 2008-01-26T10:03:46+02:00 http://elchonline.net/wiki/vserver_guest?rev=1201338226 New VServer Guest * Create a new LVM volume * Create entry in /etc/fstab * Mount the new volume * install the guest system * edit /etc/conf.d/hostname, /etc/hosts * create/edit /etc/resolv.conf Debian Guest Installation To create a new Debian guest system text/html 2007-10-07T10:52:53+02:00 http://elchonline.net/wiki/windows?rev=1191747173 Hints Automatic Updates Downloaded files from automatic updates (and others?) are located in C:\WINDOWS\SoftwareDistribution Product Key The product key can be updated with this tool <http://go.microsoft.com/fwlink/?LinkId=50346&clcid=0x409> text/html 2007-01-15T16:42:23+02:00 http://elchonline.net/wiki/wireless?rev=1168875743 Benutzte Tools * madwifi * ipw3945 (for Intel cards) * Iproute2 * Wireless Tools Erstellen einer Verbindung Normale Verbindung $ modprobe ath_pci (or modprobe ipw3945) $ ip link set ath0 up $ iwconfig ath0 essid <essid_name> $ dhcpcd -t 10 -h <hostname> -N -D ath0 text/html 2006-09-28T09:30:42+02:00 http://elchonline.net/wiki/wm_dockapps?rev=1159428642 Auf dieser Seite sind die Dock Apps, welche ich verwende (oder verwendet habe) aufgelistet. System Datum/Zeit Sound wmsmixer wmsmixer at dockapps.org Parameter: wmsmixer -w wmix wmix at dockapps.org Parameter: wmix Tools text/html 2007-05-25T10:21:25+02:00 http://elchonline.net/wiki/xen?rev=1180081285 Version: 3.0.4 Windows as Guest Quick Steps * Follow the guide at <http://gentoo-wiki.com/Xen> for Dom0 installation * Create space (10G in this example) for the Windows installation $ dd if=/dev/zero of=/windows/winxp.img bs=1024 count=1 seek=10000k