Linuxers July 2006

linuxers@mm.ilug-bom.org.in

102 participants
166 discussions

Having a gateway outside the network
by Siddhesh Poyarekar 29 Jul '06

29 Jul '06

Hi, I was installing Ubuntu for my fiancee and found a strange little problem when configuring her network. Her IP address is 172.20.x.x and her gatway is 10.10.10.2. Ubuntu cried out loud about the gateway not being part of the network and didn't let me configure that way. What I did was add a startup script that added a direct route to the gateway first and then added the default gateway just after the interface is initialized (I removed the gateway line from /etc/network/interfaces). While this works, this seemed a very ugly fix to me. This odd network setting "Just Works" on Windows. Is there an easier way to do this that I'm missing out on? I've also tried adding the "up route add..." line in /etc/network/interfaces. That doesn't seem to work. Thanks, Siddhesh -- http://siddhesh.tk

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Re: [ILUG-BOM] YUM issues
by Debarshi 'Rishi' Ray 28 Jul '06

28 Jul '06

>> http_proxy, ftp_proxy variables in /etc/profile as: >> export http_proxy="http://mmh3:mmh3@172.16.16.2:3128" >> export https_proxy="http://mmh3:mmh3@172.16.16.2:3128" > I am no expert, but should not there be a "/" after the proxy port? We > also use squid proxy, and have been told that the "/" is essential. Well it seems you are an expert after all. Adding the "/" and tinckering with the timeout value in yum.conf has got YUM working for me. Cheers, Debarshi -- ,= ,-_-. =. ((_/)o o(\_)) `-'(. .)`-' \_/

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Re: [ILUG-BOM] YUM issues
by Debarshi 'Rishi' Ray 28 Jul '06

28 Jul '06

>> [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name >> resolution')> > I think that there is a problem with your dns server. No I do not think so, since wget is working absolutely fine, and so is Firefox. Regards, Debarshi -- ,= ,-_-. =. ((_/)o o(\_)) `-'(. .)`-' \_/

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OLPC rejected by GOI
by jtd 28 Jul '06

28 Jul '06

http://www.heise.de/english/newsticker/news/75968 OLPC is not useful for the target audience. Classrooms and teachers is what we need. according to the HR development mandarins. -- "It may actually be detrimental to the growth of creative and analytical abilities of the child," the secretary added. Classrooms and teachers were more urgently needed than "fancy tools," Never mind that the schools already built exist on paper and the teachers are pure vapour. Same old logic about radio, tv and phones being luxury products "we need drinking water and medicine" went the refrain in a thankfully bygone era. Rgds JTD

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[OT] Apache URL Rewriting
by Joel A Divekar 28 Jul '06

28 Jul '06

Hi All I need help on URL rewriting under Apache 2.0.x. I need to do following : a) When following request is received by Apache http://127.0.0.1:85/spot?s=25&format=text/html it should be rewritten and called as http://100.100.100.100:85/spot?s=111&format=text/html with the following settings in my httpd.conf I am able to get ip address changed but no luck with the s=25 to s=111. I am running out of time and can anybody guide as I am not too good with regular expression. <IfModule mod_rewrite.c> RewriteEngine on RewriteRule ^/(.+) http://100.100.100.100:85/$1 </IfModule> Regards Joel 9867572484

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Re: [ILUG-BOM] Neural Networks + Linux
by Debarshi 'Rishi' Ray 28 Jul '06

28 Jul '06

>> Well, I learnt Artificial Neural Networks back in 3rd semester as an >> optional subject. One of my classmates (in fact he is my former >> roomie), [name deleted] <arjuns[email deleted]> started writing a C++ > If that was my name and email, I'd be pissed off. Well, it was neither your name nor your email. I do have the permission to provide his email ID on this list. Comments like these are not needed and should be avoided in the aftermath of the horrible flame wars and OT mails that flooded the list. Regards, Debarshi -- ,= ,-_-. =. ((_/)o o(\_)) `-'(. .)`-' \_/

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YUM issues
by Debarshi 'Rishi' Ray 28 Jul '06

28 Jul '06

I am using Fedora Core 5, and am behind a Squid proxy. I have set the http_proxy, ftp_proxy variables in /etc/profile as: export http_proxy="http://mmh3:mmh3@172.16.16.2:3128" export https_proxy="http://mmh3:mmh3@172.16.16.2:3128" export ftp_proxy="http://mmh3:mmh3@172.16.16.2:3128" export socks_proxy="http://mmh3:mmh3@172.16.16.2:3128" My /etc/wgetrc looks like: #http_proxy = http://proxy.yoyodyne.com:18023/ #ftp_proxy = http://proxy.yoyodyne.com:18023/ use_proxy = on Since the proxy variables are already set in /etc/profile I have not set them here. Moreover wget can successfully download files from the Internet. My /etc/yum.conf looks like: [main] proxy=http://172.16.16.2 proxy_username=mmh3 proxy_password=mmh3 cachedir=/var/cache/yum keepcache=0 debuglevel=2 logfile=/var/log/yum.log pkgpolicy=newest distroverpkg=redhat-release tolerant=1 exactarch=1 obsoletes=1 gpgcheck=0 plugins=1 metadata_expire=1800 timeout=7 However I get: [rishi@Sunflower ~]$ sudo yum list Loading "installonlyn" plugin Setting up repositories updates [1/4] http://download.fedora.redhat.com/pub/fedora/linux/core/updates/5/i386/repo…: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')> Trying other mirror. Cannot open/read repomd.xml file for repository: updates failure: repodata/repomd.xml from updates: [Errno 256] No more mirrors to try. Error: failure: repodata/repomd.xml from updates: [Errno 256] No more mirrors to try. [rishi@Sunflower ~]$ The same XML file http://download.fedora.redhat.com/pub/fedora/linux/core/updates/5/i386/repo… can be successfully downloaded by wget and seen by Firefox. So why the error? Regards, Debarshi -- ,= ,-_-. =. ((_/)o o(\_)) `-'(. .)`-' \_/

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Re: lug meet
by Roshan 28 Jul '06

28 Jul '06

> On 7/23/06, Roshan <d_rosh2001(a)yahoo.co.in> wrote: > > I'm interested to meet LUG members. The last I had > > attended was in February. :( > Hehe, you think that was far back? The last I > attended was back in 2002 :P Oh..that is way back! > Are colleges (Ruparel, Bhavans, etc.) not open to > LUG meets anymore? Shouldn't they be? Perhaps, this will create more awareness among college students atleast. > They happen in the Eastern subrubs, rather than > central Mumbai. I am a > bit too far off to attend a meet sadly. Is there any "fixed" place for the lug meet? Just curious __________________________________________________________ Yahoo! India Answers: Share what you know. Learn something new http://in.answers.yahoo.com/

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Share your views with LFY: CommunitySpeak Episode 3
by Janani Gopalakrishnan 28 Jul '06

28 Jul '06

Hello all, Greetings from the Linux For You magazine team! As you all know, two months ago we launched a new initiative called CommunitySpeak where we pose a question to various ILUG mailing lists and publish the top five responses (selected by our technical editors) in the magazine. Thanks to all those who responded to last month's question. The best among the responses received are to be published in the August 2006 issue of LFY. We have contacted the chosen respondents off-list. This month we have chosen the topic: "What does one gain from participating in an open source project that he/she does not gain from a regular work environment?" What's your take on this? Our eyes and ears are wide open and we are waiting to listen to your views. Please write to us at writetojanani(a)gmail.com with a CC to atul.goel(a)efyindia.com, before 5th August 2006. The top five responses will be published in the September 2006 issue of Linux for You. Look forward to your responses. Thanks, Janani Gopalakrishnan, Freelance Writer Atul Goel, Asst. Associate Editor, LFY He who controls others may be powerful but he who has mastered himself is mightier still. - Lao Tsu

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Neural Networks + Linux
by Debarshi 'Rishi' Ray 27 Jul '06

27 Jul '06

> I would like to know if there is/are some book / > website / white papers which talk about Neural Networks from > implementation / performance point of view. Oh yes, it would be great > help if the math is explained in simpler terms :) Well, I learnt Artificial Neural Networks back in 3rd semester as an optional subject. One of my classmates (in fact he is my former roomie), Arjun Shankar <arjunsha(a)gmail.com> started writing a C++ library for ANN. It was very simply written. The project was hosted in Savannah but the codes are not yet available there due to network restrictions in our campus proxy. I hope you will be able to solve your doubts with Arjun's help. Cheers, Debarshi -- Regards, Dinesh A. Joshi -- ,= ,-_-. =. ((_/)o o(\_)) `-'(. .)`-' \_/

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Linuxers July 2006