299 lines
5.1 KiB
HTML
299 lines
5.1 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML
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><HEAD
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><TITLE
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>DSH, Distributed Shell</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
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REL="HOME"
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TITLE="The openMosix HOWTO"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="Cluster Installation"
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HREF="installation.html"><LINK
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TITLE="Cluster Installations"
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TITLE="Administrating openMosix"
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HREF="p568.html"></HEAD
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><TR
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><TH
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>The openMosix HOWTO: </TH
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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>Chapter 7. Cluster Installation</TD
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><TD
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><H1
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><A
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NAME="AEN555"
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></A
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>7.2. DSH, Distributed Shell</H1
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><P
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>
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At the time of this writing (May 2003) DSH's most current release is
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available from <A
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HREF="http://www.netfort.gr.jp/~dancer/software/downloads/"
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TARGET="_top"
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><I
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CLASS="CITETITLE"
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>http://www.netfort.gr.jp/~dancer/software/downloads/</I
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></A
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>
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More info on the package can be found on
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<A
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HREF="http://www.netfort.gr.jp/~dancer/software/dsh.html"
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TARGET="_top"
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><I
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CLASS="CITETITLE"
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>http://www.netfort.gr.jp/~dancer/software/dsh.html</I
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></A
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>
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The latest version available for download is 0.23.6
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You will need both libdshconfig-0.20.8.tar.gz and dsh-0.23.5.tar.gz
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Start with installing libdshconfig
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<TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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>./configure
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make
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make install </PRE
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></FONT
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></TD
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></TR
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></TABLE
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>
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Repeat the process for the dsh package.</P
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><P
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>Say we have a small cluster with a couple of nodes.
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To make life easier we want type each command once but have it executed
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on each node. You then have to create a file in
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$HOME/.dsh/group/clusterwname that lists the ip's of your cluster.
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eg.
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<TABLE
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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>[root@inspon root]# cat .dsh/group/mosix
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192.168.10.220
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192.168.10.84</PRE
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></FONT
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></TD
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></TR
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></TABLE
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>
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As an example we run ls on each of these machines
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We use -g to use the mosix group (this way you can create subsets of a
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group with different configurations)
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<TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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>[root@inspon root]# dsh -r ssh -g mosix ls
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192.168.10.84: anaconda-ks.cfg
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192.168.10.84: id_rsa.pub
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192.168.10.84: install.log
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192.168.10.84: install.log.syslog
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192.168.10.84: openmosix-kernel-2.4.17-openmosix1.i686.rpm
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192.168.10.84: openmosix-tools-0.2.0-1.i386.rpm
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192.168.10.220: anaconda-ks.cfg
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192.168.10.220: id_dsa.pub
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192.168.10.220: id_rsa.pub
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192.168.10.220: openmosix-kernel-2.4.17-openmosix1.i686.rpm
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192.168.10.220: openmosix-tools-0.2.0-1.i386.rpm
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192.168.10.220: oscar-1.2.1rh72
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192.168.10.220: oscar-1.2.1rh72.tar.gz</PRE
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></FONT
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></TD
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></TR
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></TABLE
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>
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Note that neither of the machines ask for a password.
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This is because we have set up RSA authentication between the different
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accounts. If you want to run commands with multiple parameters you will
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either have to put the command between quotes.
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<TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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>[root@inspon root]# dsh -r ssh -g mosix "uname -a"
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192.168.10.84: Linux omosix2.office.be.stone-it.com 2.4.17-openmosix1 #1
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Wed May 29 14:32:28 CEST 2002 i686 unknown
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192.168.10.220: Linux oscar0 2.4.17-openmosix1 #1 Wed May 29 14:32:28 CEST
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2002 i686 unknown</PRE
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></FONT
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></TD
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></TR
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></TABLE
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>
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or use the -c -- option. Both give basically the same output.
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<TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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>[root@inspon root]# dsh -r ssh -g mosix -c -- uname -a
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192.168.10.220: Linux oscar0 2.4.17-openmosix1 #1 Wed May 29 14:32:28 CEST
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2002 i686 unknown
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192.168.10.84: Linux omosix2.office.be.stone-it.com 2.4.17-openmosix1 #1
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Wed May 29 14:32:28 CEST 2002 i686 unknown</PRE
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></FONT
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></TD
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></TABLE
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>
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</P
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VALIGN="top"
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>Cluster Installations</TD
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