Linuxers July 2001

linuxers@mm.ilug-bom.org.in

117 participants
352 discussions

traceroute doing udp?
by Philip S Tellis 08 Jul '01

08 Jul '01

I always thought that traceroute uses a time-exceeded icmp packet to find routes, but my ipchains logs shows that it is actually trying to connect on various udp ports around 33440 (above and below) linux starts at 33438 solaris starts at 33435 any ideas Philip -- Computers are unreliable, but humans are even more unreliable. Any system which depends on human reliability is unreliable. -- Gilb 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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meeting people in Mumbai
by Anand Kumria 08 Jul '01

08 Jul '01

Hi there, I'm flying into Mumbai very shortly and, unfortunately, won't be staying around long enough to catch Richard Stallman's talk. However if any of you would like to meet up for a chat (or key signing) then let me know. Regards, Anand

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Re: [ILUG-BOM] telnet
by Fart Crimson 08 Jul '01

08 Jul '01

Yes u will have to edit /etc/hosts.allow and /etc/hosts.deny if you are using tcpwrappers. It seems from your post that the Linux Box is a gateway to the internet for an internal network. If you have other users on the internal network. *you should use SSH* more details at www.openssh.org Fart

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some advice please
by varunm＠unitek.com 08 Jul '01

08 Jul '01

hello folks, i'm new to your list and find your discussions enriching. i'm implementing a intranet based general purpose program for communication between users, implemented with jdk1.3/swing. if i want to enable file transfers between clients logged into the server, which is the better implementation for the actual data transfer? - p2p - this may not work behind firewalls, with applets - client->server->client - on the same socket - might result in congestion/messy implementation because of mixed file+other traffic - client->server->client - on a dedicated socket. all ur suggestions are most welcome.

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Query : Woody?
by Q u a s i 08 Jul '01

08 Jul '01

Folks, Does anyone have Debian "Woody" written on CD, and more importantly, if anyone has, is he willing to lend it to me for a day? I currently have the Debian "Potato" r2 from the Chip Networking CD. If not the whole "woody", does anyone have .deb archives of KDE.2 or some other useful stuff on CD? thanks, quasi -- postscript -- Heat, cold, pain, pleasure - these spring from sensual contact, Arjuna. They begin and they end. They exist for the time being. You must learn to put up with them. __________________________________________________ \?/ .Quasi. (0-0) ( | ) <quasiabhi(a)yahoo.com> ( v ) yahoo messenger : quasiabhi __| |__ / \ Protect OUR Earth.

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PHP with libxml compile problem
by Mayur Joshi 07 Jul '01

07 Jul '01

Dear Linuxers, Got some prob with PHP re-complie with libxml support Running RH 7.0, php-4.0.4pl1. I have already install libxml2-2.3.1-1 & libxml-devel2-2.3.1-1 When I complie php with --with-dom option configure scripta says something is messed up. Checked debug.log. Some error with ld not finding -lxml. Below is the debug.log file so that you would know what is happening exactly. Also would like to know any good content management softwares in PHP other than PHP NUKE. Would like to have options of creating images on the fly and all that. But pls do advice on that libxml trouble soon. Best regards, Mayur ----- debug.log CONFIGURE: './configure' '--with-apxs=/usr/sbin/apxs' '--with-mysql' '--with-gd' '--with-ttf' '--with-imap=/u sr/local/hordemod/imap' '--enable-ftp' '--enable-track-vars' '--enable-bcmath' '--enable-trans-sid' '--disable- magic-quotes' '--with-dom' CC: gcc CFLAGS: -g -O2 CPPFLAGS: -DLINUX=2 -DMOD_SSL=206106 -DEAPI -DUSE_EXPAT CXX: CXXFLAGS: INCLUDES: -I/usr/include/apache -I$(top_builddir)/Zend -I/usr/local/include -I/home/ninad/php-4.0.4pl1/ext/ mysql/libmysql LDFLAGS: -Wl,-rpath,/usr/local/lib -L/usr/local/lib LIBS: -lgd -lz -lxml -lresolv -lm -ldl -lcrypt -lnsl -lresolv -Lyes/lib -lz DLIBS: -lc-client SAPI: apache PHP_RPATHS: /usr/local/lib uname -a: Linux interpole.com 2.2.16-22 #1 Tue Aug 22 16:49:06 EDT 2000 i686 unknown gcc -o conftest -g -O2 -DLINUX=2 -DMOD_SSL=206106 -DEAPI -DUSE_EXPAT -Wl,-rpath,/usr/local/lib -L/usr/local/l ib conftest.c -lgd -lz -lxml -lresolv -lm -ldl -lcrypt -lnsl -lresolv -Lyes/lib -lz 1>&5 /usr/bin/ld: cannot find -lxml collect2: ld returned 1 exit status _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.

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telnet
by noel seq 07 Jul '01

07 Jul '01

Hi Guys, I have disabled telnet from my linux server as i have a fixed ip modem. However I need to telnet from my terminal every now and again. I it possible to give telnet access to one IP. Thanx Noel _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.

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Re: [ILUG-BOM] /etc/sysctl.conf info
by Mayur Joshi 07 Jul '01

07 Jul '01

>Where do I get information on how to configure my >/etc/sysctl.conf? I am installing IBM DB2 and as a >part of the procedure, I have to edit that file "set >maximum message queues to 128" (I don't know what that >means, but I am sure it's got nothing to do with email >messages). Just run /sbin/sysctl -p /etc/sysctl.conf after making those changes. Regards, Mayur _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.

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Re: [ILUG-BOM] Linux Networking Gurus -- HELP
by Mayur Joshi 07 Jul '01

07 Jul '01

>I am facing a problem configuring my linux box as a load balancer.. >right now, i have two connections on to the net, 1) a 256 kbps leased line >and 2) a cable modem >ie 2 default routes and 2 diffrent ip addresses... > >What i need to know is howto configure my linux box so that i could use >both these net connections from my main linux router and they should >masquarade the connections. Well if you want to implement load balancing on Linux then I would suggest just make your Linux router handle the request and the other 2 machines on which the actual requested data is, keep them on the internal network. The application on your Linux router machine should decide on which server the request should go. For more details on this topology visit http://www.ultramonkey.org Regards, Mayur _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.

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Re: [ILUG-BOM] Linux Networking Gurus -- HELP
by Mayur Joshi 07 Jul '01

07 Jul '01

Hi Sachin, Well since you are trying load balancing on Linux, I would suggest you to have a look at www.ultramonkey.org. Its a good high availability and load balancing solutions for Linux. The documentation is really good. We are doing some R&D on it and it seems to be working very well. Regards, Mayur >Hi, > >I am facing a problem configuring my linux box as a load balancer.. >right now, i have two connections on to the net, 1) a 256 kbps leased line >and 2) a cable modem >ie 2 default routes and 2 diffrent ip addresses... > >What i need to know is howto configure my linux box so that i could use >both these net connections from my main linux router and they should >masquarade the connections. > >I have checked out equal cost multipath.. the problem here is that it uses >a round robin method to send data.. uses the first default route for one ip >address then the second for the next ie per-connection balancing .. >The problem here is that it seems to distribute the bandwidth equally. The >leased line should handle more bandwidth than the cable modem. I could be >wrong here, has any one done this ?? > >TEQL: this is per-packet balancing... it is more useful for local >clustering than bonding upstreams for internet feeds.. am not sure on >wether it would handle masquerading. > >also seen some thing in the ip command >ip route add default scope global nexthop via 100.100.100.2 nexthop via >200.200.200.254 >but this seems to send fragments across diffrent default routes ( >100.100.100.2, 200.200.200.254) ie per-packet balancing... dunno wether it >will work with masquarading. > >Is it that i'm just missing something with the above solutions... > >The closest I get to my requirements would be equal cost multipath >method.... any thing better ??? > >Also i cannot experiment on these links. > >Has any one done it before ??? > >Bye >Sachin > >_______________________________________________ >Richard Stallman's Public Lecture 5pm 17th July, at TIFR. >Linuxers mailing list >Linuxers(a)mm.ilug-bom.org.in >http://mm.ilug-bom.org.in/mailman/listinfo/linuxers _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.

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Linuxers July 2001