514 lines
38 KiB
Plaintext
514 lines
38 KiB
Plaintext
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GNU/Linux Post-Installation Checklist
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Defying Murphy's Laws
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[http://members.tripod.com/~algolog/index.htm] Algologic Research & Solutions
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>algolog (at) hd1.vsnl.net.in
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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Revision History
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Revision 1.0 2001-06-12 Revised by:
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Initial release using docbook sgml.
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This document provides a checklist for steps you should take immediately
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after installing GNU/Linux. These steps will save you a lot of bother if you
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encounter any problems later on. This document also includes a shell script
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for automating the post installation process.
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-----------------------------------------------------------------------------
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Table of Contents
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1. Introduction
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1.1. Copyright Information
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1.2. Disclaimer
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1.3. Feedback
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2. Post-Installation Steps
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3. Shell script
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3.1. The script...
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1. Introduction
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You have just completed installing your own Linux system. You have just made
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an upgrade to your existing Linux system. You are happy with the first few
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checkouts and usage experience. You want to make sure you will enjoy this
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system in spite of any damage which may occur later because of any unexpected
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"faux pas".
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It is a good idea to keep a snapshot of the new system, so that you can be
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assured that in the event of any misfortune with your Linux installation, you
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can always recover without any permanent damage. This checklist will help you
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with precautionary steps you must take, as soon as you complete installation
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of Linux. It is a sequel to the GNU/Linux pre-installation checklist, and a
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companion to the official [http://www.linuxdoc.org/HOWTO/Installation-HOWTO/]
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Linux Installation HOWTO. This checklist also contains a Section 3 which will
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automate the process of making a snapshot of your system.
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-----------------------------------------------------------------------------
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1.1. Copyright Information
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This document is copyrighted (c) 2001 [http://members.tripod.com/~algolog/
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index.htm] Algologic Research & Solutions and is distributed under the terms
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of the Linux Documentation Project (LDP) license, stated below.
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Unless otherwise stated, Linux HOWTO documents are copyrighted by their
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respective authors. Linux HOWTO documents may be reproduced and distributed
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in whole or in part, in any medium physical or electronic, as long as this
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copyright notice is retained on all copies. Commercial redistribution is
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allowed and encouraged; however, the author would like to be notified of any
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such distributions.
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All translations, derivative works, or aggregate works incorporating any
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Linux HOWTO documents must be covered under this copyright notice. That is,
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you may not produce a derivative work from a HOWTO and impose additional
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restrictions on its distribution. Exceptions to these rules may be granted
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under certain conditions; please contact the Linux HOWTO coordinator at the
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address given below.
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In short, we wish to promote dissemination of this information through as
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many channels as possible. However, we do wish to retain copyright on the
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HOWTO documents, and would like to be notified of any plans to redistribute
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the HOWTOs.
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If you have any questions, please contact <linux-howto@metalab.unc.edu>
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-----------------------------------------------------------------------------
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1.2. Disclaimer
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No liability for the contents of this documents can be accepted. Use the
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concepts, examples and other content at your own risk. As this is a new
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edition of this document, there may be errors and inaccuracies, that may of
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course be damaging to your system. Proceed with caution, and although this is
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highly unlikely, the author(s) do not take any responsibility for that.
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All copyrights are held by their respective owners, unless specifically noted
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otherwise. Use of a term in this document should not be regarded as affecting
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the validity of any trademark or service mark.
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Naming of particular products or brands should not be seen as endorsements.
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You are strongly recommended to make a backup of your system before major
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installation and continue to do so at regular intervals.
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-----------------------------------------------------------------------------
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1.3. Feedback
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This document and the Section 3 are continuously updated. Make sure you are
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referring to the latest version of this document, by visiting the Linux
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post-install site frequently. Email <algolog@hd1.vsnl.net.in> with your
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feedback and suggestions.
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Note: We do NOT answer general queries on Linux. If you want professional
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(PAID) help with Linux -- [http://algolog.tripod.com/tools.htm#linux] ask
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Algologic. You may also visit our home page : [http://algolog.tripod.com
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/] Algologic Research & Solutions.
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-----------------------------------------------------------------------------
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2. Post-Installation Steps
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To enjoy your new Linux installation forever without any worries, it is
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important to take a few simple precautions. You must do these as soon as you
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complete installing Linux on your machine for the first time.
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1. Create a boot diskette and a rescue diskette. Utilities for creating
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these diskettes are available along with your Linux distribution.
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2. If you are the paranoid type (like me), you can make two copies of each
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of these diskettes. Diskettes are notorious for failing when they are
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most needed.
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3. Test out your boot diskette. Make sure you can boot into Linux using the
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boot diskette. Remember Murphy's Laws may strike at you just when you
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least expect.
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4. Checkout thoroughly your new system. Try all major packages.
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5. Try out the X windows system, and the desktop, and the windows manager,
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if you have installed these.
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6. Try out the connection to your LAN, and to the Internet.
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7. Create at least one "non-root" account, for testing and debugging your
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installation. Perform ALL the above checkouts once again, using the
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non-root account you created.
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8. Join a local Linux Users Group (LUG). You must [http://www.linuxlinks.com
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/UserGroups/] find out if there is a LUG close by. If there is none,
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start an informal LUG yourself, in your neighbourhood, your campus, your
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city, or your town.
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9. Join one or more mailing lists for Linux updates and news. There are
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literally hundreds of them.
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10. Register yourself and your machine in the worldwide [http://
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counter.li.org/] Linux Users Counter.
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11. And finally...Download the Section 3 and run it. Make a safe copy (on a
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removable medium) of the directory: /root/postinfo which the script will
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create. You may also like to make a printout of the summary report /root/
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postinfo/summary created by the shell script.
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12. You must run this shell script: as soon as you have installed Linux for
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the first time, and after every major revision or upgrade to your Linux
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system. You can also set up the script as a cron job, so that it runs
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itself periodically and automatically. This will avoid you a lost of
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hassles later, in case something gets messed up later.
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-----------------------------------------------------------------------------
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3. Shell script
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The shell script (shivalik Ver. 1.0) is a convenient way to make backups of
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essential files and information. After downloading the script:
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<EFBFBD><EFBFBD>*<2A>Make sure that you have logged in as "root"
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<EFBFBD><EFBFBD>*<2A>Save the script in a directory with "root" permissions, say /root/
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myscript
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<EFBFBD><EFBFBD>*<2A>Change to that directory i.e. cd /root/myscript use gunzip to unzip the
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script i.e gunzip ./shivalik.gz
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<EFBFBD><EFBFBD>*<2A>
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IMPORTANT: You must read the warning given at the end of the script.
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Proceed with the next steps, only if you agree to the conditions
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specified in the warning...
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<EFBFBD><EFBFBD>*<2A>To execute the script: You must make the script executable (by root only)
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chmod 700 ./shivalik
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<EFBFBD><EFBFBD>*<2A>Verify that the paths of the various files which are to be saved, are
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correct and conform to your installation.
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<EFBFBD><EFBFBD>*<2A>You can execute the script correctly only if you are "root" (many of the
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files being saved need root permissions).
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Now you can execute (run) the above script (remember you must be "root", to
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do this) -- type ./shivalik
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The script is profusely documented. It does not modify (or delete) any of
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your files or directories. It creates a well-protected backup of some
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essential files and information. The entire script is available for you to
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browse and understand its working. Feel free to go through the script and add
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any additional features, or files which you wish to be backed up. You may
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also send your feedback to the author of this script (<
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algolog@hd1.vsnl.net.in>).
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Remember, the shivalik script is not a tool for complete backup and recovery.
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Ideally, the best thing to do would be to make a verbatim copy of your entire
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Linux installation along with all files and directories. This is not always
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possible, necessary, or advisable. The next best thing would be to take a
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backup of the most essential information and files. The shivalik script
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achieves this for you. The script creates a directory called /root/postinfo/,
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and stores all essential information (and files) there. To be absolutely
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prepared for any eventuality, you must copy the entire /root/postinfo/ on a
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removable medium, as soon as the script is executed.
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Recovery and Repair: In the event of any problems later, you can reconstruct
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the damaged files by copying the files you have backed up in the /root/
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postinfo/ directory. It is as simple as that.
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The structure of the /root/postinfo/ directory, and files found within, will
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be as follows:
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/root/postinfo/summary
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Contains a summary report of the status of your system (memory,
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partitions, mount points, disk usage). This file also has the list of
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files which have been saved. It also contains admin info like date and
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time of backup, shivalik version number etc.
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/root/postinfo/postinfo.tar.gz
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Contains a copy of the earlier postinfo (if any). This is a fall back to
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a fall back!
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/root/postinfo/snapshot.gz
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Contains a gzipped structured listing of ALL files and directories of
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your Linux system (the directories "tree"). You can unzip this file and
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use any plain text editor to know the location of any file. Of course,
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you cannot retrieve the contents of that file unless you had saved it
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explicitly elsewhere.
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/root/postinfo/shivalik
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This is a copy of the shivalik script which was used for making the post
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install backup. At the time of recovery after an incident, you can always
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examine this script to know how the backup was done earlier. You will
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always have a consistent copy of the script and the files created by the
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script.
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/root/postinfo/etcfiles/
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This subdirectory contains a copy of many essential files from the /etc/
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directory of your Linux installation. It also contains copies of the
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various configuration files stored in the /etc/ directory.
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/root/postinfo/otherfiles/
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This subdirectory contains a copy of some essential files (those which
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are not in the /etc/ directory) of your Linux installation. If you want,
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you can add any other files here, and get it saved automatically with
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others.
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-----------------------------------------------------------------------------
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3.1. The script...
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#-----------------------------------------------
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# shivalik \(Ver. 1.0\)
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#Please read the WARNING section of this script first
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#This script collects post installation information
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#this can also be run occasionally to collect all useful
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#information about your Linux installation, in one place
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#The output will be written to /root/postinfo/
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#a summary report will be written in /root/postinfo/summary
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#For usage and related information, please consult:
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#http://algolog.tripod.com/postlnx.htm
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# ----------------------------------------------
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clear
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echo
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echo "-----------------------------------------------------------"
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echo This is the output of Partha\'s shivalik script \(Ver.1.0\)
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echo You must be \"root\", for this script to work correctly
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echo You must also read and accept the terms and warnings given
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echo in the WARNINGS section of this script
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echo "-----------------------------------------------------------"
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echo
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echo "### STEP 0 ### Preparation work"
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echo First we create the /root/postinfo/ directory if does not exist already
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test ! -d /root/postinfo && mkdir /root/postinfo
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echo Saving current version of all postinfo files
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echo But first we delete the earlier version i.e. current-1 version
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test -e /root/postinfo/oldpostinfo* && rm /root/postinfo/oldpostinfo.tar.gz
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#the oldpostinfo file is made temporarily in /root
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#it will be moved to /root/postinfo
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tar -zcvf /root/oldpostinfo.tar.gz /root/postinfo/*
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#check if above tar succeeded
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if
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test -s /root/oldpostinfo.tar.gz
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then
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echo old postinfo saved in /root/oldpostinfo.tar.gz
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ls -l /root/oldpostinfo*
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else
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echo Could not save oldpostinfo
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echo Abandoning shivalik script
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exit
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fi
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#now delete all the current postinfofiles
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rm -rf /root/postinfo/*
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#and start a new summary file
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echo shivalik \(Ver. 1.0\) > /root/postinfo/summary
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echo -n "Report created on: " >> /root/postinfo/summary
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date -R >> /root/postinfo/summary
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echo And now, move the oldpostinfo file to /root/postinfo/ directory
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mv /root/oldpostinfo.tar.gz /root/postinfo
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#
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#copy the shivalik script
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echo charity begins at home
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echo We make a copy of the shivalik script
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echo We make a copy of the shivalik script >> /root/postinfo/summary
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echo in /root/postinfo/ >> /root/postinfo/summary
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cp ./shivalik /root/postinfo/shivalik
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#taking stock
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echo
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echo Contents of /root/postinfo at the end of STEP-0
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ls -AlR /root/postinfo
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echo End of "### STEP 0 ###
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echo
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#
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#
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echo
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echo "### STEP 1 ### Make a snapshot of the system"
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echo >> /root/postinfo/summary
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echo "### STEP 1 ### A snapshot of all the files and directories" >> /root/postinfo/summary
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echo The first step is to take stock of your computer contents
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echo This is going to take several minutes
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echo So, go and fetch your coffee mug !
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ls -AlRH / >> /root/postinfo/snapshot
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rm -f /root/postinfo/snapshot.gz
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gzip /root/postinfo/snapshot
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echo snapshot created
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echo An exhaustive listing of all files has been made and >> /root/postinfo/summary
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echo stored in /root/postinfo/snapshot.gz >> /root/postinfo/summary
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ls -l /root/postinfo/snapshot.gz >> /root/postinfo/summary
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# taking stock at the end of this step
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echo
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echo Contents of /root/postinfo at the end of this STEP
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ls -l /root/postinfo
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echo End of "### STEP 1 ###
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echo
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#
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#
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echo
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echo "### STEP 2 ### Vital statistics"
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echo >> /root/postinfo/summary
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echo "### STEP 2 ### Vital statistics" >> /root/postinfo/summary
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echo Collecting vital statistics
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echo .....about memory
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echo "---- cat /proc/meminfo ---------" >> /root/postinfo/summary
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cat /proc/meminfo >> /root/postinfo/summary
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echo .....about partitions and mountpoints
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echo "---- cat /proc/partitions---------" >> /root/postinfo/summary
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cat /proc/partitions >> /root/postinfo/summary
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echo .....about diskspace used
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echo "---- df ---------" >> /root/postinfo/summary
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df >> /root/postinfo/summary
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echo .....about modules
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echo "---- cat /proc/modules ---------" >> /root/postinfo/summary
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cat /proc/modules >> /root/postinfo/summary
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# taking stock at the end of this step
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echo
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echo Contents of /root/postinfo at the end of STEP-2
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ls -AlR /root/postinfo
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echo End of "### STEP 2 ###
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echo
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#
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#
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echo
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echo "### STEP 3 ### Now we save some important files from /etc "
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|||
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echo This section may need some customising, depending on the
|
|||
|
echo installation you have done, and the distribution you have used,
|
|||
|
echo and the options you have chosen during installation.
|
|||
|
|
|||
|
echo >> /root/postinfo/summary
|
|||
|
echo "### STEP 3 ### Now we save some important files from /etc" >> /root/postinfo/summary
|
|||
|
test ! -d /root/postinfo/etcfiles && mkdir /root/postinfo/etcfiles
|
|||
|
|
|||
|
echo ..... saving XF86Config -- your XWindows config file
|
|||
|
cp /etc/XF86Config /root/postinfo/etcfiles
|
|||
|
echo "cp /etc/XF86Config /root/postinfo/" >> /root/postinfo/summary
|
|||
|
|
|||
|
echo ..... saving /etc/fstab file
|
|||
|
cp /etc/fstab /root/postinfo/etcfiles
|
|||
|
echo "cp /etc/fstab /root/postinfo/" >> /root/postinfo/summary
|
|||
|
|
|||
|
echo ..... saving /etc/profile file
|
|||
|
cp /etc/profile /root/postinfo/etcfiles
|
|||
|
echo "cp /etc/profile /root/postinfo/" >> /root/postinfo/summary
|
|||
|
|
|||
|
echo ..... saving /etc/profile.local file
|
|||
|
cp /etc/profile.local /root/postinfo/etcfiles
|
|||
|
echo "cp /etc/profile.local /root/postinfo/" >> /root/postinfo/summary
|
|||
|
|
|||
|
echo ".... saving /etc/*conf files"
|
|||
|
cp /etc/*conf /root/postinfo/etcfiles
|
|||
|
|
|||
|
echo ".... saving /etc/*config files"
|
|||
|
cp /etc/*config /root/postinfo/etcfiles
|
|||
|
|
|||
|
echo the following files from /etc have been copied to /root/postinfo/etcfiles >> /root/postinfo/summary
|
|||
|
echo "/etc/*conf" >> /root/postinfo/summary
|
|||
|
echo "/etc/*config" >> /root/postinfo/summary
|
|||
|
|
|||
|
# taking stock at the end of this step
|
|||
|
echo
|
|||
|
echo Contents of /root/postinfo at the end of this STEP-3
|
|||
|
ls -AlR /root/postinfo
|
|||
|
echo End of "### STEP 3 ###
|
|||
|
echo
|
|||
|
#
|
|||
|
#
|
|||
|
|
|||
|
echo
|
|||
|
echo "### STEP 4 ### Now we save some other important files"
|
|||
|
echo This section may need some customising, depending on the
|
|||
|
echo installation you have done, and the distribution you have used,
|
|||
|
echo and the options you have chosen for the installation
|
|||
|
echo The following stuff is designed for SuSe 7.1
|
|||
|
|
|||
|
echo "### STEP 4 ### Now we save some other important files" >> /root/postinfo/summary
|
|||
|
echo in /root/postinfo/otherfiles >> /root/postinfo/summary
|
|||
|
echo You can add any other files to backed up, here
|
|||
|
test ! -d /root/postinfo/otherfiles && mkdir /root/postinfo/otherfiles
|
|||
|
ls -l /root/postinfo/
|
|||
|
|
|||
|
echo ..... saving /etc/init.d/boot.local --
|
|||
|
cp /etc/init.d/boot.local /root/postinfo/otherfiles
|
|||
|
echo "cp /etc/init.d/boot.local /root/postinfo/otherfiles" >> /root/postinfo/summary
|
|||
|
|
|||
|
echo ..... saving /etc/init.d/halt.local --
|
|||
|
cp /etc/init.d/halt.local /root/postinfo/otherfiles
|
|||
|
echo "cp /etc/init.d/halt.local /root/postinfo/otherfiles" >> /root/postinfo/summary
|
|||
|
|
|||
|
# taking stock at the end of this step
|
|||
|
echo
|
|||
|
echo Contents of /root/postinfo at the end of this STEP-4
|
|||
|
ls -AlR /root/postinfo
|
|||
|
echo End of "### STEP 4 ###
|
|||
|
echo
|
|||
|
|
|||
|
echo
|
|||
|
echo "### STEP 999 ### Wrap up, clean up"
|
|||
|
echo >> /root/postinfo/summary
|
|||
|
|
|||
|
echo "### STEP 999 ### Wrap up, clean up, sum up" >> /root/postinfo/summary
|
|||
|
echo summing up, cleaning up
|
|||
|
# for security reasons we make /root/postinfo inaccessible to
|
|||
|
# and invisible to non-root
|
|||
|
chmod 700 /root/postinfo
|
|||
|
chmod 700 /root/postinfo/etcfiles
|
|||
|
chmod 700 /root/postinfo/otherfiles
|
|||
|
chmod 700 /root/postinfo/*
|
|||
|
chmod 700 /root/postinfo/etcfiles/*
|
|||
|
chmod 700 /root/postinfo/otherfiles/*
|
|||
|
echo This is the contents of /root/postinfo >> /root/postinfo/summary
|
|||
|
ls -AlR /root/postinfo >> /root/postinfo/summary
|
|||
|
echo "###### THE END #####" >> /root/postinfo/summary
|
|||
|
|
|||
|
|
|||
|
|
|||
|
# taking stock at the end of this step
|
|||
|
echo
|
|||
|
echo Contents of /root/postinfo at the end of this STEP-999
|
|||
|
ls -AlR /root/postinfo
|
|||
|
echo End of "### STEP 999 ###"
|
|||
|
echo
|
|||
|
echo "###### THE END #####"
|
|||
|
echo IMPORTANT: You must now copy all the files in /root/postinfo
|
|||
|
echo to a safe location, preferably on a different drive or on
|
|||
|
echo a removable backup medium.
|
|||
|
echo " "
|
|||
|
echo You will find a summary report of this procedure, in
|
|||
|
echo /root/postinfo/summary
|
|||
|
echo You will find the earlier version of summary \(if any\)
|
|||
|
echo inside /root/postinfo/oldpostinfo.tar.gz
|
|||
|
echo " "
|
|||
|
|
|||
|
#
|
|||
|
echo "
|
|||
|
#---------------------------------------------------------
|
|||
|
# WARNING WARNING WARNING
|
|||
|
# shivalik (ver. 1.0)
|
|||
|
# This script is being made accessible to you without any
|
|||
|
# warranties or assurances about its performance or
|
|||
|
# usability for any purpose. Be informed that you are using
|
|||
|
# this script out of your own initiative and willingness,
|
|||
|
# and at your own risk and peril.
|
|||
|
# You will find the latest version of this script, and related
|
|||
|
# information at: http://algolog.tripod.com/postlnx.htm
|
|||
|
# Copyrights and all rights reserved by:
|
|||
|
# Dr. S. Parthasarathy (algolog@hd1.vsnl.net.in)
|
|||
|
#--------------------------------------------------------
|
|||
|
"
|