Linuxers July 2006

linuxers@mm.ilug-bom.org.in

102 participants
166 discussions

Fwd: Indian governments blocking blogspot, geocities, and other sites.
by Debarshi 'Rishi' Ray 22 Jul '06

22 Jul '06

Here is RMS' reaction on coming to know about the recent blockages by Indian ISPs. Cheers, Debarshi ---------- Forwarded message ---------- From: Richard Stallman <rms(a)gnu.org> Date: 18-Jul-2006 19:07 Subject: Re: Indian governments blocking blogspot, geocities, and other sites. To: Debarshi 'Rishi' Ray <debarshi.ray(a)gmail.com> Thanks. Doesn't India recognize human rights that would prohibit this censorship?

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Your 2p on vmsplice() [was Re: [ILUG-BOM] Linus does not matter to the World anymore ?]
by Mohan Nayaka 22 Jul '06

22 Jul '06

On 7/19/06, Siddhesh Poyarekar <siddhesh.poyarekar(a)gmail.com> wrote: > > On 19 Jul 2006 06:18:00 -0000, Raseel Bhagat > <raseelbhagat(a)rediffmail.com> wrote: > > > http://money.cnn.com/2006/06/21/technology/10dontmatter.biz2/index.htmHasLi… really outgrown Linus? He still seems to exercise a lot of > control to try and keep the kernel slim. The recent COW vs vmsplice() > debate for example. Here it is: > > http://kerneltrap.org/node/6506 > > > Siddhesh > > PS: Rob Malda (CmdrTaco) of Slashdot is also on that list. > > -- > http://siddhesh.tk > > -- > http://mm.glug-bom.org/mailman/listinfo/linuxers > Hi Tanmay, your thoughts on this? (i mean the vmsplice issue) i only understood that part where Linus slams page table invalidates on other processors in the system. i will read up about this (vm) & see. Regards, Mohan S N -- There will be plenty of time to rest in the grave. - Paul Erdos

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Technology against terrorism.
by ronbillypop＠yahoo.co.uk 22 Jul '06

22 Jul '06

Hello All, I have been pondering over some ideas to use technology against terrorism. Please keep this thread related to technology only without getting into Govt. bashing. The ideas have been borrowed from the old kings and emperors as well as server room security. The first part deals with providing wireless ID cards to all citizens of India, starting with all the cities and going into the villages. These cards can be radio, magnetic or plain optical like the bar code stickers that are momentarily scanned before a red light scanner. The optical option is the cheapest and is already used in shops for making final bills. Every railway station complex should be sealed and everyone entering the station must produce their ID card to be scanned for keeping a record of everyone entering and exiting the complex. Along with that, they must face a camera that records their faces too. No ID card means no entry. The same security system can be used in all public complexes like Govt. offices, schools, colleges. Even BEST buses can be fillted with these scanners at the entrance and exit of the bus. Anyway, most buses are single decker and allow only one thin person or half fat person to enter at a time. That way we will also learn to queue properly and the passengers can get in like humans instead of being herded like cattle by the conductors doing an early `ting ting'. The other part is to use the security system that old kings and emperors used. They created walled cities where entry and exit was restricted by guards manning the fort gates. All major cities can put up an international-border grade barbed wire fence with gates for entry and exit. Everyone entering and exiting the city must provide an ID card and also be photographed for records. Some system should also be in place for outstation trains to go through this check. Every foreigner who lands in India must get a temporary ID card made at the airport to be used just like other Indian ID cards. Whenever there is any terrorist strike or a major armed robbery/dacoity etc., the gates will be shut for some hours, preventing the culprits from simply walking away and catching the next train to freedom. This is inconvenient, but a good deterrent. Extra checking will be done after that to scan all those who leave after any attack. Well thats all for now, any comments or suggestions? Positive or negative, all invited. Regards, Rony. ___________________________________________________________ All new Yahoo! Mail "The new Interface is stunning in its simplicity and ease of use." - PC Magazine http://uk.docs.yahoo.com/nowyoucan.html

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SELF project at HBCSE, TIFR
by Nagarjuna G. 22 Jul '06

22 Jul '06

The forwarded mail informs about the project that HBCSE, TIFR will be part of in promoting free software and generating documentation. If free software hackers are intersted in joining the team please send me a mail off the list, with a note saying in what way can you contribute. The link http://www.selfproject.eu/ and http://www.selfproject.eu/kickoff provides more info. Nagarjuna ----- Forwarded message from Wouter Tebbens <w.tebbens(a)staff.isoc.nl> ----- > Date: Fri, 21 Jul 2006 18:10:35 +0200 > From: Wouter Tebbens <w.tebbens(a)staff.isoc.nl> > Subject: [Self-l] Completely booked SELF Conference in The Hague (10 july) > To: SELF mailinglist <self-l(a)selfplatform.org> > Reply-To: w.tebbens(a)staff.isoc.nl, > General SELF mailinglist <self-l(a)selfplatform.org> > Organization: ISOC-SELF > User-Agent: KMail/1.9.1 > > Many of you have been there on this very inspiring first SELF Conference and > kick-off of the project. For those of you who have missed it, find here a > short summary, and links to presentations on the website: > > http://www.selfproject.eu/kickoff > > On Monday the 10th of July Internet Society Netherlands organised in The Hague > a completely booked conference about Free Software and education and how the > creation of open content revolutionizes our societies. Vice-mayor of the City > of The Hague, Frits Huffnagel opened the day with an inspiring speech about > the need for innovation through the use of Free Software > > Speakers were amongst others: > > * Jan Willem Broekema (OSOSS) > > * dr. Nagarjuna G. > (project leader Knowledge platforms Homi Bhabha Center for Science > Education, India) > > * Georg Greve (president FSF Europe, Germany) > > See his bio or download presentation PDF > * Mathias Klang (project leader Creative Commons Sweden) > > * David Megias (coordinator Master Free Software UOC, Spain) > > * Wouter Tebbens (Internet Society Nederland, project leader SELF) > > Besides there were panel discussions with national and international experts, > like prof. dr. Paul Klint (CWI), drs. Marja Verstelle (Leiden University), > Joep van Nieuwstadt (Exin), Jonas ?berg (Free Software Foundation Europe), > Martijn Verver (VPRO New Media), Thijs Chanowski, Michael van Wetering > (KennisNet), Leo Besemer (ECDL), Tom Dousma (SURF) and prof. Kees Stuurman > (University of Tilburg). > > The event marked at the same time the official launch of the ambitious SELF > project that will setup an international platform for educational and > training material about Free Software and Open Standards with the financial > support from the European Commission. > > The focus of the platform is on material about Free Software and knowledge > creation about open standards. ISOC.nl leads the international consortium > with strong partners from the rest of Europe (amongst which some universities > and the Free Software Foundation Europe), India and Argentina. S.E.L.F. > stands for Science, Education and Learning in Freedom. > > This first SELF Conference was supported by the Open Source agency from the > Dutch goverment, Programme OSOSS, the city of The Hague and the European > Commission. > > _______________________________________________ > Self-l mailing list > Self-l(a)selfplatform.org > http://mail.selfplatform.org/mailman/listinfo/self-l_selfplatform.org ----- End forwarded message -----

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Can we have some GNU/Linux discussions here ? [OT]
by Mitul Limbani 22 Jul '06

22 Jul '06

Over the past two weeks its getting worse. List Admins, please moderate the list for all things that dont talk of GNU/Linux. Well feel free to moderate this mail too, but if it reaches the list, then I am requesting fella Gnuers to stop posting things that are completely irrevalant to the above topic. Please REFRAIN from posting on threads which are already overdue to close, we respect your right of expression, but this is not the forum to post about the same. Thanks & Regards, Mitul Limbani, Founder & CEO, Enterux Solutions, The Enterprise Linux Company (TM), www.enterux.com

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Re: [ILUG-BOM] [COMMERCIAL]Embedded Systems training
by hemendra jain 22 Jul '06

22 Jul '06

>What exactly is "embedded Systems training" An embedded system has specific requirements and performs pre-defined tasks, unlike a general-purpose personal computer. Simple e.g: Microntroller.. We can program 8051 to control a particular task - say monitor an intrusion and sound an alarm.. So, all the circuitry,including 8051 chip would together form an Embedded Systems to achieve a predefined task. Nowadays,Embedded Systems encpmpasses a lot of things like RTOS, for controlling a Real Time System... Device Drivers for controlling devices.. e.g PCI, USB-based ------------------------------------------- >Since we have taken the trouble to reply and your >credibility is in doubt? I can provide the required certificate and references..... --------------------------------------- >why dont u post the course details in a >single mail. ---------------------------------------------------------------------- The courses we offer have the following benefits: -----------------------------------------------------------------------Course Fees: Both the courses Rs 3000/- Courses would be held : Saturday OR/AND Sunday, Course duration: Approx 30 ~ 35 hours. --------------------------------------------------------------------- RTLinux: topics covered 1. Basics of Real Time systems. 2. Types of Real Time systems 3. Need of an RTOS ,Role of an RTOS 4. Basics of an RTOS 5. OS Concepts 6. RTLinux Installation 7. RTLinux Architecture 8. Pthread programming 9. RTLinux programming 10. RTLinux practicals: Using a simple LED board with interrupts. -----------------------------------------------------------------------What we provide: 1. RTLinux CDs 2. Embedded CD: 3. RT Notes: -----------------------------------------------------------------------Projects: We have various project materials for RTLinux Assistance would be given to the students who are interested but would not be part of the curriculum. -------------------------------------------------------------------- About me: I have taught in Soft Origin, Dadar for a period Jan - June, 2005. ----------------------------------------------------------------------- >That way those interested will get in touch, doubting >thomases like me and Mukund will try and shred it in one go, and many >others will jump to defend you. > I absolutely agree with you JTD and clarification is the only way we can sort out things... --------------------------------------------- For SN Embedded: Hemendra Jain (98205 65918)

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Wireless LAN hacking.
by Debarshi 'Rishi' Ray 21 Jul '06

21 Jul '06

I am trying to configure my Wireless LAN in such a way that it can route packets from other nodes to a access points, so that nodes outside the reach of the access point can route their packets through my card. I understand that I need to put my card into Ad-hoc mode for this to work. However, # iwconfig eth1 mode Ad-Hoc # service network restart fails to look up IP information for my card. DHCP is configured in the network. I have tried to put the card in Auto and Repeater mode too through iwconfig, with the same results. Funnily the configuration file at /etc/sysconfig/networking/devices/ifcfg-eth1 still showed the mode as Managed even when I had set it to Repeater. Manually changing the setting did not yield anything fruitful. I am using Fedora Core 5, 2.6.16 kernel, and my card only supports 802.11b not 802.11g. Any idea? Thanks, Debarshi -- ,= ,-_-. =. ((_/)o o(\_)) `-'(. .)`-' \_/

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[COMMERCIAL]Embedded Systems training
by hemendra jain 21 Jul '06

21 Jul '06

Hi Friends, We are into arranging Embedded Systems training. Current courses offered: 1. RTLinux (RTOS) 2. Linux Device Driver. Students who are interested in making careers in Embedded Systems. This course would be of immense help. Courses would be taught by industry professionals. -The RATES we offer are comparatively CHEAPER. Have QUERIES ? Hemendra Jain (98205 65918) We also provide 8051 and Other RTOS training .

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Re: [ILUG-BOM] Fwd: Indian governments blocking blogspot, geocities,
by Amish Mehta 21 Jul '06

21 Jul '06

Devdas Bhagat wrote: > On 20/07/06 12:49 +0530, Amish Mehta wrote: >> Three ways to do this and not at all expensive: >> 1) Make your DNS server host blogspot.com and redirect ALL >> port 53 traffic to it and block blockedblog.blogspot.com >> requests. > If you want to be authoritative for blogspot.com, then you > have to deal with every domain under it as well. You would > merely want to be authoritative for blockedhost.blogspot.com, > which is trivially circumventable with /etc/hosts. blockedblog is just an example. /etc/hosts wont work as you need entry for each subdomain. DNS wildcards or DNS forwarders can be setup easily. >> 2) Use transparent proxy which also does SNAT, back to >> original IP for outgoing packets. > And which works at Gigabit speeds and has vendor backing. Didnt get you, but anyway this wasn't my recommended way either. But can work for small ISPs. >> 3) Just like ip_conntrack_ftp module which tracks PORT commands, >> develop ip_conntrack_http module which tracks HTTP "Host:" >> header and blocks the blocked sites. > And then make the system even more complex by routing stuff > to a Linux box. Unless you think that ISPs run Linux boxes for > their ATM and SONET circuits? This is an idea/method (with ip_conntrack as analogy). And doesnt generally pertain to Linux. Many routers do protocol (VPN, Skype, MSN etc) based "packet" filtering. Writing a code for HTTP filtering and implementing it on chip is no big deal. I dont think it adds any kind of complexity. a) Idea is capture packet on port 80. b) Analyse "Host:" header. c) Check acl d) Block or pass. Amish.

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[OT] Blogspot back online
by Aparna Appaiah 21 Jul '06

21 Jul '06

FYI, I have just observed that my ISP (MTNL Mumbai) allows me to view pages at Blogspot.com. However, when I tried the blocked pages, I got a "Connection refused". Aparna -- Aparna Appaiah

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Linuxers July 2006