Linuxers August 2001

linuxers@mm.ilug-bom.org.in

99 participants
301 discussions

What is 64-bit computing?
by aditya newalkar 24 Aug '01

24 Aug '01

Hi, The question may seem trivial but I have a significant confusion in my mind becoz of the conflicting things I read. We were tought that the microprocessor architecture is denoted as the "NUMBER OF DATA LINES"-bit architecture. For example --- becoz 8085 has 8 data lines it is 8 bit, 8086 has 16 so it is 16 bit etc. WHY THEN PENTIUM IS CALLED 32 BIT ARCHITECTURE EVEN IF IT HAS 64 DATA LINES?? Also Intel is tomtomming about their new 64-bit Itenium architecture. What is it that makes Itenium 64 bit?? Now for the software side. What is that that makes a FILE SYSTEM 32bits/64bits?? Can a 64 bit file system run on 32 bit machine?? ===== rgds, Aditya N. ---------------------- Junior Research Fellow, Department of Computer Science & Engineering, Indian Institute of Technology, Powai, Mumbai, 400076. __________________________________________________ Do You Yahoo!? Make international calls for as low as $.04/minute with Yahoo! Messenger http://phonecard.yahoo.com/

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Problem in booting disklessnode (LTSP)
by vinodbhaskar＠sify.com 24 Aug '01

24 Aug '01

Hi all, Please guide me to solve out this networking problem. I have installed Mandrake Linux in my PIII 733 256MB Ram machine which is having RTL 8029 Ethernet card. I have also installed NFS,Appache,DHCP servers. My challenge is to boot a diskless node using LTSP (Linux terminal server project). I have gone through the doucments LTSP (ltsp.org), downloaded and installed the respective Kernal, Core and SVGA rpms in my server.The dhcpd.conf and host.allow file also configured. Also I had downloaded the Ethernet image file for rtl 8139 card and made an ethernet image floppy for booting the node. While booting the node with ethernet image floppy, the MAC address of the card is is displying properly and finally it is giving a message that searching DHCP server and start searching and login Window is not appearing on the screen. The cables and connections are perfect from server to node through a hub. (I had tried another 486 machine using Xdenu and Telnet was working fine with the same cabling) If any body had configured the disklessnode using LTSP, please help me to sort out the problem Regards, Vinod Bhaskar ------------------------------------------------- This mail sent through : http://mail.sify.com

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Re: Linux turns 10
by Kapil Karekar 24 Aug '01

24 Aug '01

Philip S Tellis wrote: > I haven't had time to work on this, but there are at least 12 of us who > are willing to work on it for the 25th. Why is it that only 12 guys are willing to come forward and work on the 25th? As far as i'm concerned i'm ready to do anything viz. arranging chairs, standing in the queue to buy railway tickets, providing chai to the participants. Name it and i will do it. I can't organize the show coz i don't know anybody in mumbai's colleges. > I don't know if it is too late > to organise anything for the 25th, It is never too late... even if we are not able to do much on 25th it's ok.... we have to start somewhere.The various locations suggested so far are (South to North) > Nariman Point (any college near there (I can think of a few)) > St. Xavier's > Ruia > VJTI > Colleges in Bandra > PVP COE Sion > Any college in Navi Mumbai > > Now, attach your names to these colleges. Any place except Navi Mumbai would be fine for me. I live in borivali. Kapil Karekar _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com

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Talk on Zope at NCST
by Nagarjuna G. 24 Aug '01

24 Aug '01

I am giving a talk in the ACM Seminar today evening at 6:30pm, NCST Juhu. Web Engineering with Zee Object Publishing Environment (ZOPE) ZOPE is a feature rich web application server written in Python (a powerful object oriented programming language). It is object oriented with built-in support for XML, search, password authentication, security, user management, and supports the protocols like http, ftp, WebDav, XML-RPC. It can use data from various sources like file systems, ZODB, RDBMS, and LDAP. The lecture will cover introduction, installation, demonstration of most of the features of ZOPE and a few of the ZOPE Products used for the creation and maintenance of dynamic web sites. During the talk the suitability of ZOPE for developing e-education applications will be discussed. Nagarjuna

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Re: [ILUG-BOM] restricitng shell access
by Amish Mehta 24 Aug '01

24 Aug '01

Hi, I think there are several restricted shells available on net. If you cant find them try the following. You can write small shell script(say /bin/rksh) which does 'chroot' to '/restricted_home'. And then calls 'bash'. Under '/restricted_home' you can create 'bin/', 'home/temp/'. You might also have to create '/restricted_home/etc/passwd' with 'temp' user's entry(same as in /etc/passwd) in it. You can than put binaries(commands) in bin. Note that these binaries should NOT have any library dependencies, otherwise you might have to create '/restricted_home/lib/' and put files under it. Note that you must specify user's shell as '/bin/rksh' in /etc/passwd. Amish. Mike_Bradz wrote: > is it possible to restrict the user to run only specific commands > the least possible. > he shouldnt be able to change to any other > directory other than /home/temp (his home directory). So can I just > make him stay in his home folder and run only one executable command.

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Where is Parag?
by Mayuresh A Kathe 23 Aug '01

23 Aug '01

Hey, Where is Parag? If he is around and reading this, please contact me off list. There is slight 'problem' on the list which has been bothering me for quite some time, would like to get a complete solution. Awaiting your reply. ~Mayuresh

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Apache server.
by acharya＠dacafe.com 23 Aug '01

23 Aug '01

Hi Everyone. 1)I have configured the apache sereve. But when I access the site. It gives me an error 403/.Forbidden. Where can I set the permission. Note all the dirroot and the related folders have nobody as user and group. Rights 711. what should i do to set it right. 2)Can I access html files without using apache. means from any other ports. priyadarshi _____________________________________________________________ Tired of limited space on Yahoo and Hotmail? Free 100 Meg email account available at http://www.dacafe.com

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sendmail rewriting for vsnl relay
by Philip S Tellis 23 Aug '01

23 Aug '01

I believe that I have managed to configure my sendmail.cf file to properly counter vsnl's new system. It uses separate generics tables for the header and the envelope. I still have to tweak it a bit, but it's getting better. If this mail gets through from my real address (iname.com) then you know that it has worked. Philip -- To understand a program you must become both the machine and the program. Visit my webpage at http://www.ncst.ernet.in/~philip/ Read my writings at http://www.ncst.ernet.in/~philip/writings/ MSN philiptellis Yahoo! philiptellis

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configuring sendmail
by Kishor Bhagwat 23 Aug '01

23 Aug '01

look what i found while on my Internet Travels.... http://cork.linux.ie/projects/install-sendmail/ nice perl script for configuring sendmail and fetchmail. its the Cork LUG(Ireland) site. regards, kishor _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com

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kudzu fails
by Manish Jethani 23 Aug '01

23 Aug '01

When I boot my sys, I get this message. Checking for new hardware [FAILED] That's kudzu. When I run it from the command line, it dumps core. What could be the problem? It's irritating me. I've just changed my processor from p3 450 to p3 500. I don't think that should make a difference at all, should it? Manish J.

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Linuxers August 2001