Linuxers July 2010

linuxers@mm.ilug-bom.org.in

69 participants
64 discussions

Oracle Installation
by Sandeep Manoharan 06 Jul '10

06 Jul '10

Was trying to install Oracle 10 G in Red Hat Linux 5.4.. was not successful. Error - Uncompatible OS. Very new to Linux. Can someone pl help. Rgds

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Interesting comment about hurd, gnu, gcc ...
by Praveen A 06 Jul '10

06 Jul '10

I remember the discussion we had earlier about hurd, gcc ... and rms. This comment might give a historic context to some of those incidents from some one who was there during that time http://news.ycombinator.com/item?id=1474941 -- പ്രവീണ്‍ അരിമ്പ്രത്തൊടിയില്‍ <GPLv2> I know my rights; I want my phone call! <DRM> What use is a phone call, if you are unable to speak? (as seen on /.)

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Linux commands for monitoring and load analysis.
by Aasif Shaikh 05 Jul '10

05 Jul '10

Hello Friends, I am compiling the commands used on linux system for monitoring and load analysis purpose. These commands are mostly used to check the performance and bottleneck on the system. Below are the few commands which I have jotted down. Kindly feel free to append this command list. Thanks in advance. 1. du 2. df 3. ps 4. who 5. w 6. free 7. top 8. vmstat 9. uptime 10. pgrep 11. iostat 12. sar 13. mpstat 14. pmap 15. netstat 16. ss 17. iptraf 18. tcpdump 19. strace 20. cat /proc/cpuinfo 21. cat /proc/meminfo 22. cat /proc/zoneinfo 23. cat /proc/mounts 24. nmap 25. lsof 26. mtr 27. getconf 28. ping Kind Regards, Aasif Shaikh

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Fwd: [Ilugc] {OT} {Commercial] CLOUD COMPUTING
by narendra sisodiya 05 Jul '10

05 Jul '10

---------- Forwarded message ---------- From: Rajagopal Swaminathan <raju.rajsand(a)gmail.com> Date: Mon, Jul 5, 2010 at 12:44 AM Subject: Re: [Ilugc] {OT} {Commercial] CLOUD COMPUTING To: ILUG-C <ilugc(a)ae.iitm.ac.in> Greetings, On 7/4/10, Mr.Selva kumar <selvawithedu(a)gmail.com> wrote: > hai A minor correction, Normally it is spelled as "Hi!" > can any one please tell me how to do project on cloud computing with > STUDENTS and NORMAL PEOPLE WELFARE( that means my project will be help full > to every one, like google freely give the search engine to the people so > billions of peoples, student using that without paying money like that. )I > KNOW ABOUT MY DOMAIN CLOUD COMPUTING, but choosing the innovative project IS > DIFFICULT so ANY ONE CAN ENLIGHTEN me? > I have started freelancing and in the process of building a network of persistant support structure for SME-s, Educational institutions etc. Well I am about to start experimenting HPC and Cloud and the combo thereoff. I am located in Mumbai (specifically Thane -- similar to taramani/tambaram only that Thane is is in the north of Mumbai and others are in the south of Chennai "Central") I am going to experiment from 2000Hrs to 0800 Hrs wherein I am planning to implement HPC using COTS desktops. I can't guarantee any 100% success (or or that matter even 1% success) as Desktops do not have "in-band" fencing device and "out of band" fencing is not an option due to cost. With about 10 desktops. "Out-of-band" fencing device will cost me about may be 100k on the upper end. I don't have anywhere that kind of fund at this point of time to spend. So forget 24x7 Secure Industrial strength, Trusted and most importantly on demand available cloud. I can't pay you money as I am looking forward to at least one order which will cover my costs and stay afloat with my monthly family requirement of funds. But I would expect you to pay me "gurudakshina" and other issues -- unfortunately, the fallout of open source. I will try to get accomodation at nominal student rate and food at my home ay most. I can't afford anything else at this point of time. *Of course _lots_ of conditions (behavorial, financial, etc, etc,) apply. Trust has to be deined openly. Somebody has to value my knowledge and provide sufficient funds to pay the bills. About me: I have three years Experiece in digital and analog experience in Industrial electorincs followed by almost 27 years in core and captive IT industry -- For profit and non Profit -- (Core -- revenue streams purely through employment in organisations whose revenues are purely IT based; Captive: Organisations whose revenue stram is NOT IT based -- manufacturing, Construction, Retailers, Educational instirutions etc.) I have sorta fathered, mothered and nurtured and still nurturing may infratructures which have had a longevity of of about 13 years of production use with batrely 5% of carrying cost of the original cost Per Annum. I can't give you a certificate as I am yet to obtain my BCA from IGNOU though I am eligible for IGNOU MCA admission -- stalled due to the warpwed market conditions and my personal health problems. You will have to fid a a respected guide for the signature to "bless" your project by some degree holders. (sigh! India is how fulll of too much of graduates and worse still PHB MBAs who clutch to their degrees -- which incidentally are (often) wrong perceptions) So you can see I have very little to offer. Except possibily a share of my (now dead -- hence past experiences) I could not get access to required hardware at affordable cost (as on date for me) on rental basis for my experiment. In case you want my guidance you will have to pay me some openly agreed upon amount. I will communicate further if you are interested. Some (many) more conditions apply. Oh! how I wish to construct the HPC on cloud to "N" number of biometric and other If you want *REAL* cloud, point me to the place where the correct hardware is ther or allow it to be developed _AND_ they will *pay* me for KT (knowledge Transfer). HTH, Regards, Rajagopal PS: and oh! brush up on SELinux on Centos and report me the progress in the next mail. _______________________________________________ ILUGC Mailing List: http://www.ae.iitm.ac.in/mailman/listinfo/ilugc -- ┌─────────────────────────┐ │ Narendra Sisodiya │ http://narendrasisodiya.com └─────────────────────────┘

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[OT]Suggest a laptop!
by pavithran s 05 Jul '10

05 Jul '10

I was asked to 'suggest a laptop' , obviously I am looking for GNU/Linux friendly device. The cost is no factor . Any laptop which is a bit light ( unlike the bulky dell's) and works great . It need not be an gaming machine but should pack a punch ( as per the recent times) . It would be nice if details on 'servicing' are added . an example machine would be : one which can run "compiz 3d + blender+ VLC+ FF(10 tabs one with gmail :P ) + OO" all at the same time :D Regards, Pavithran

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Re: [ILUG-BOM] grub error 21 in ubuntu 10.04
by Chirag Wazir 05 Jul '10

05 Jul '10

Hi, Kussh Singh wrote: > I believe menu.lst is not available for ubuntu10.04 as it uses > grub2 which uses a dynamically generated grub.conf file under > /boot/grub --otherwise menu.lst could be edited and the problem solved To do the equivalent under grub2, you need to edit /etc/default/grub and then run update-grub. -- Chirag Wazir http://chirag.freeshell.org

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[OT] Privacy issues in India
by Nishit Dave 05 Jul '10

05 Jul '10

What do the informed Linuxers make of the Government threatening to clamp down on Blackberry, Skype, etc. again, unless they get a back door into the protocols? Do you think it is primarily motivated by national security concerns, or by a desire to snoop on citizens? Do we have enough safeguards to ensure that this government intrusion would not be a tool for political vendetta or corruption? And lastly, what can we do about it? Comment.

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twitter web app in php
by Pratik Anand 04 Jul '10

04 Jul '10

hello all, This is my twitter web app on which I have been working for about a month. It is coded entirely in php-curl.It can be used to post tweets, see received tweets,followers, replies etc. of the person whose login name is provided (for posting tweets and seeing replies, one will have to login). here is the link : http://github.com/pratikone/ipratik-twitter Screenshots: http://bit.ly/9bSfVW and http://bit.ly/aTNX1I as well as method to install(linux/windows) is given. Still sorting out ways to host it online (buying a domain). Please have a look and give reviews. this is my first attempt at making a functional web application. -- Pratik Anand B.Tech - CSE (3rd year) Blog: pratik3d.blogspot.com Twitter: twitter.com/pratikone

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grub error 21 in ubuntu 10.04
by Kussh Singh 04 Jul '10

04 Jul '10

How can booting problem be resolved in ubuntu 10.04 which uses grub2? I tried solving it using supergrub disk on a usb device but sgd was not able to write to the mbr correctly and the error continued.Had to always plugin the sgd usb to bootup and manually select the options to boot each time. I believe menu.lst is not available for ubuntu10.04 as it uses grub2 which uses a dynamically generated grub.conf file under /boot/grub --otherwise menu.lst could be edited and the problem solved Since i am using a dell laptop the 3rd option of changing the detection mode of the HDD under bios setup is not possible. The detection option is not present in the bios and the hdd specs seem to be written permanently into the bios firmware. I had to install ubuntu9.04 on another partition to create a newer grub menu. Then after manually logging in to ubuntu 10.04 i had to edit the configuration file of the grub menu of the 9.04 partition --ie. /boot/grub/menu.lst to resolve the issue of booting automatically using the latest updated kernel. So is there any better way to resolve error 21 in ubuntu10.04? The earlier ubuntu installation disks had some options for creating a bootable disk if the grub bootloader was overwritten by windows or some other fault. Both 9.04 and 10.04 installation CDs do not have that rescue option now. TIA Kussh

1 0

OT - MTNL Triband Security - undocumented procedure
by Saswata Banerjee & Associates 01 Jul '10

01 Jul '10

HI Everyone, I had installed a new wireless + ADSL router on my MTNL Triband line. It was not working since i installed it the log kept saying "username or password failed" The same user name and password was working on my existing dlink adsl router and all settings were copied from there. Finally i went to the local telephone exchange. One of the technicians saw my router and tested it with his user name and password and it works. Then he said that MTNL is using a mac-address lock on all exchanges running on Alcatel hardware. A new router will work only if the mac-address bound in the exchange is removed. He did that and it started working immediately. He told me that this is a security feature that is there so that you can not use the user name and password of any other MTNL user for your internet connection. In case the mac is changed, your net connection will stop working and you will have to complain and they will immediately identify who is using your connection. I had called belkins (the router company) helpdesk and they didnt know why it was not working I called MTNL help desk (1504) and they didnt know why it was not working. They didnt even know that such a thing is there. I dont think most of the MTNL tech staff would be knowing as he had to tell someone in the control room on phone and guide him how to remove the existing mac address. So, next time it may need you to go to the exchange and get it done. I am not sure if this is a good thing or a bad thing, but i thought you guys may find this info useful sometime. regards saswata

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Linuxers July 2010