Linuxers March 2007

linuxers@mm.ilug-bom.org.in

83 participants
99 discussions

NTFS Screwup in Etch.
by Rony 07 Mar '07

07 Mar '07

Hello All, I wanted to try out this month's Chip DVD which showed a blank disk in Etch. It has Kubuntu 6.10. So I rebooted to try out the same dvd in windows. However I missed the boot-loader and it booted back into Debian. While it was in progress, I gave the 3 finder salute and the pc rebooted decently and this time I selected xp. However it would not load beyond the account login part. I attached a spare hdd and booted into debian and backed up my entire disk for safety. Then using … [View More]

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UFB-15 Protocol ( Proposed by Rony )
by Rony 07 Mar '07

07 Mar '07

Hello All, This is a new protocol proposed for the purpose of facilitating fast Linux CD/DVD ISO downloads through the DTH type satellite medium. A Linux satellite having a footprint over Asia and Africa will help in providing the latest Linux distributions to even the remotest areas of these regions. The broadcasts will be sequential and timed for every .iso file, just like regular television programmes with their respective timings. The number of transponders, frequency etc. is not … [View More]discussed here. The main purpose of this writeup is to create a transmission protocol for error free unidirectional file downloads via satellite. A single broadcast should be received by un-limited number of receivers anywhere in Asia and Africa. As satellite transmission is prone to disturbances, any error in the ISO file being downloaded will render the entire process useless. Since it is going to be a unidirectional broadcast that cannot receive feedback from the receiving units, certain correction features need to be added to the broadcast. The proposed protocol will be called Unidirectional File Broadcast ( UFB-15 ) Protocol. The number 15 denotes the 15 second delay feature added for correction. This can vary from 1 second to 60 seconds or more as per the users' choice. The UFBP-15 will broadcast data packets in groups of 1 second each. These packets will contain their parity check sequence interlaced to check downloaded packet integrity. After the first 15 packet groups of one second each are broadcast, the next one second will contain the first packet group re-broadcast. The next second will have the 16th packet group. The next one to follow will be the 2nd packet group re-broadcast. So every second a new packet group and its 15 second earlier packet group is alternately broadcast. This provides the receiver a 15 second delay to re-load the packets if they got corrupted in the first attempt. An illustration is placed below. 'P' denotes the packet group per second and its timing sequence. They are broadcast every second. P1 --> P15 --> P1 --> P16 --> P2 --> P17 --> P3 --> P18 --> P4 --> P19 --> P5 --> P20 --> P6 --> P21 --> P7 --> P22 --> P8 --> P23 --> P9 --> P24 --> P10 --> P25 --> P11 --> P26 --> P12 --> P27 --> P13 --> P28 --> P14 --> P29 --> P15 --> P30 As you can see, after every 15 seconds a re-broadcast of old packets takes place to help the receiver catch up with broken packets. The delay time can be chosen after experimenting with different time delays. This will reduce the bandwidth by half but offer a self correction for unidirectional broadcasts. To increase bandwidth, a higher transmission frequency can be chosen. The proposed UFB-15 Protocol is free to anyone to modify and correct for better transmission quality. The only condition is that it should be released under the GPL license so that anyone can make use of it freely. Another method of reducing reception errors is to avoid transmitting an ISO file as a whole. Instead, it can be transmitted as a set of files just as they exist on the CD/DVD. Individual files being smaller, can be corrected easily and will not disturb the entire ISO file block. An executable script file transmitted along with the download assembles all the components back into an single ISO file in the receiving unit. -- 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 [View Less]

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advice needed on configuring ftp server and samba printing.
by krishnakant Mane 07 Mar '07

07 Mar '07

hello all, I need to know how I can configure vsftp or proftp (kindly suggest which one is more stable ). I have the following needs. 1. user should be able to log into his home directory by default. 2. I don't want to chroot jail the user in his home directory . I have shared /var/www for use by public and thus I need to allow user to change directory to such shared folders. regarding printing, I will like to know if I can share the printer on another machine running linux? both the sharing … [View More]

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advice needed on configuring ftp server and samba printing.
by Mandar Joshi 07 Mar '07

07 Mar '07

Hi, Try and refer to my linux notes here http://mndar.linux-fan.com . Check the CUPS configuration section if you want to share the printer via IPP. Refer the samba configuration section if you want have the printer appear like a regular Windows shared printer on the network. Regards Mandar Joshi Have you been here yet ? http://mndar.phpnet.us ____________________________________________________________________________________ The fish are biting. Get more visitors on your site … [View More]

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March 2007 GLUG meet at Netmagic
by Anurag 07 Mar '07

07 Mar '07

Hello list members, We'll be having our March GLUG meet at Netmagic Solutions on sunday , the 18th of March. Date: Sunday, 18th March 2007 Time: 2:00 PM Venue: Netmagic Solutions - Data Center, Goregaon Reaching Venue: http://www.netmagicsolutions.com/about_us/map.html Topics: Let's decide that here. Address: Netmagic Solutions Pvt. Ltd. 22, Nirlon Complex, Western Express Highway, Goregaon (E), Mumbai - 400063 Ph. No.: (022) 26850001 Everyone's invited to attend and benefit form the … [View More]

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Passion for Electronics, Compassion for Community
by Praveen A 07 Mar '07

07 Mar '07

Be an Electro, Make a Difference Electros.in is home to passionate Indian students, professionals, and researchers in the fields of Electrical, Electronics and Communication Engineering. http://www.electros.in/ Cheers Praveen -- പ്രവീണ് അരിമ്പ്രത്തൊടിയില് Join The DRM Elimination Crew Now! http://fci.wikia.com/wiki/Anti-DRM-Campaign

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Linux Download Satellite?
by Rony 07 Mar '07

07 Mar '07

Hello All, I was comparing rates for broadband internet for downloading linux distro isos and find that over a period of one year, the rates are still high, compared to the number of cds/dvds that can be downloaded. For example a 600/- per month NU plan becomes 7200/- per year. How many CDs or DVDs would a person actually download in one year for 7200/-? Plus, many places in India, Asia as well as Africa are still undeveloped and broadband is not available. The World Space satellite … [View More]

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LUGRadio, OpenMoko, and more....
by Frederick Noronha 06 Mar '07

06 Mar '07

Saturday, Feb 24, 2007's meeting at Goa Science Centre focussed on these issues: * Demo of LUGRadio programmes via a Chinese-clone of the iPod. http://www.lugradio.org/episodes.rss Feedback: difficulty in following the programmes, and a bit of "excessive laughter" on the episode we were tuned into. * Talking about devices, Arvind suggested the OpenMoko phone http://www.openmoko.com/ Notice to Developers If you are interested in developing Free Software applications for the OpenMoko … [View More]platform, please send information regarding embedded Linux projects you have contributed to, and the work you have done to coreteam(a)openmoko.org. We had some hardware issues that set us back about a month. But now we're back on track and should start shipping in February. All of our efforts are focused on getting the device out, so please forgive our delays in replying to your emails. * Queries about web-to-SMS international gateways. Some suggested using Yahoo (only Windows compatible). BSNL is offering SMS within India for 40 paisa per SMS. * Brief discussion about using 'sleep' mode under GNU/Linux, while transporting laptop with a GNU/Linux distro. * Fedora and its marketing strategies. * Debate about new distros. Stanley is on the search for some. * Some of us remembered Prakash Advani, earlier with FreeOS.com and now with Novell. He has an interesting photo blog. See: http://cityblogger.com/archives/category/photography/ * We also thought of the photography work of Tariq Sani (Nagpur) and Kalyan Varma (Bangalore), two other FLOSS techies. http://tariquesani.net/ http://www.kalyanvarma.net/photography/ * We had a brief discussion on the Simputer and also the plans of Geodesic, where Atul Chitnis is now vice-president See http://groups.yahoo.com/group/simputer The visit of Dr Vinay Deshpande to Goa was remembered too. There was a debate over the $100 computer (OLPC), and whether the it was really unsuted to India, or whether the opposition to it could be from those eager to block the spread of Free Software/Open Source among the younger generation. See http://www.laptop.org/ or http://wiki.laptop.org/go/Home * Someone raised the question about the Mobilis. The Mobilis, is Encore's inexpensive mobile PC http://www.engadget.com/2005/05/11/the-mobilis-encores-inexpensive-mobile-p… * Arvind was keen to get access to the book 'Linux Kernel: In A Nutshell' Apologies to the lady who missed our meeting, because we started late! Ashwin Naik phoned, and was eager to come to meetup (at the bhel-puri informal meet-up following the indoors meet at the Goa Science Centre, Panjim). FN -- FN M: 0091 9822122436 P: +91-832-240-9490 (after 1300IST please) http://fn.goa-india.org http://fredericknoronha.wordpress.com 7500+ sharable pics from Goa http://www.flickr.com/photos/fn-goa/ [View Less]

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Re: Linux on DG965RY Motherboard
by Rajesh Rajani 06 Mar '07

06 Mar '07

Hi, > > Hi, I too have written a report on a similar hardware. Except I had a > PATA drive instead of a SATA. I have a PATA DVD RW too. Anyway, I have > the i386 install. It is stable. No issues till now. I have Xen > virtualization enabled as well. The only difference between our > installation methods is I guess I installed the distro without Xen > virtualization and then used the system-config-packages to add Xen and > the Xen kernel. The system was stable all … [View More]

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Learning Language
by Sir Stupid 06 Mar '07

06 Mar '07

Hello all, I'm currently following my CCNA (Cisco certified network associate) course. I'm almost done with it. I want to support my networking course with some programming skills. Where to start from ?? I have been to NIIT & already checked with them about language course, they said "C" & "C++" will be covered in a period of 2 months. I personally do not feel that 2-months time is sufficient for those two languages. Also, i keep reading about 'RUBY' & 'Python' and i gather that … [View More]

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Linuxers March 2007